|  | // clang-format off | 
|  | /*This is mechanically generated code*/ | 
|  | #include <stdlib.h> | 
|  |  | 
|  | typedef struct { int x, y; } xy; | 
|  | typedef unsigned char byte; | 
|  |  | 
|  | int aom_fast9_corner_score(const byte* p, const int pixel[], int bstart) | 
|  | { | 
|  | int bmin = bstart; | 
|  | int bmax = 255; | 
|  | int b = (bmax + bmin)/2; | 
|  |  | 
|  | /*Compute the score using binary search*/ | 
|  | for(;;) | 
|  | { | 
|  | int cb = *p + b; | 
|  | int c_b= *p - b; | 
|  |  | 
|  |  | 
|  | if( p[pixel[0]] > cb) | 
|  | if( p[pixel[1]] > cb) | 
|  | if( p[pixel[2]] > cb) | 
|  | if( p[pixel[3]] > cb) | 
|  | if( p[pixel[4]] > cb) | 
|  | if( p[pixel[5]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[15]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[14]] > cb) | 
|  | if( p[pixel[15]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[14]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[9]] < c_b) | 
|  | if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[15]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[14]] > cb) | 
|  | if( p[pixel[15]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[15]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[14]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[9]] < c_b) | 
|  | if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[14]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[9]] < c_b) | 
|  | if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[14]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[14]] > cb) | 
|  | if( p[pixel[15]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[9]] < c_b) | 
|  | if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[14]] < c_b) | 
|  | if( p[pixel[15]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[5]] < c_b) | 
|  | if( p[pixel[14]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[15]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[9]] < c_b) | 
|  | if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[14]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[9]] < c_b) | 
|  | if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[15]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[9]] < c_b) | 
|  | if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[14]] > cb) | 
|  | if( p[pixel[15]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[9]] < c_b) | 
|  | if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[14]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[15]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[4]] < c_b) | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[14]] > cb) | 
|  | if( p[pixel[15]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | if( p[pixel[10]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[5]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | if( p[pixel[10]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[5]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[9]] < c_b) | 
|  | if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[9]] < c_b) | 
|  | if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[5]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[14]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[14]] < c_b) | 
|  | if( p[pixel[15]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[5]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[9]] < c_b) | 
|  | if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[14]] > cb) | 
|  | if( p[pixel[15]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | if( p[pixel[10]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[5]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | if( p[pixel[10]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[9]] < c_b) | 
|  | if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[5]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[14]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[14]] < c_b) | 
|  | if( p[pixel[15]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[3]] < c_b) | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[14]] > cb) | 
|  | if( p[pixel[15]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[5]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[4]] > cb) | 
|  | if( p[pixel[5]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[9]] < c_b) | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[5]] < c_b) | 
|  | if( p[pixel[4]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[14]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[14]] < c_b) | 
|  | if( p[pixel[15]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[14]] > cb) | 
|  | if( p[pixel[15]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[5]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[4]] > cb) | 
|  | if( p[pixel[5]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[9]] < c_b) | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[5]] < c_b) | 
|  | if( p[pixel[4]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[13]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[14]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[14]] < c_b) | 
|  | if( p[pixel[15]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[2]] < c_b) | 
|  | if( p[pixel[9]] > cb) | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[14]] > cb) | 
|  | if( p[pixel[15]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[5]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[4]] > cb) | 
|  | if( p[pixel[5]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[3]] > cb) | 
|  | if( p[pixel[4]] > cb) | 
|  | if( p[pixel[5]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[9]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[5]] < c_b) | 
|  | if( p[pixel[4]] < c_b) | 
|  | if( p[pixel[3]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[14]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[14]] < c_b) | 
|  | if( p[pixel[15]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[9]] > cb) | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[14]] > cb) | 
|  | if( p[pixel[15]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[5]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[4]] > cb) | 
|  | if( p[pixel[5]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[3]] > cb) | 
|  | if( p[pixel[4]] > cb) | 
|  | if( p[pixel[5]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[9]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[5]] < c_b) | 
|  | if( p[pixel[4]] < c_b) | 
|  | if( p[pixel[3]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[12]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[14]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[14]] < c_b) | 
|  | if( p[pixel[15]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[1]] < c_b) | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[14]] > cb) | 
|  | if( p[pixel[15]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[5]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[4]] > cb) | 
|  | if( p[pixel[5]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[3]] > cb) | 
|  | if( p[pixel[4]] > cb) | 
|  | if( p[pixel[5]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[2]] > cb) | 
|  | if( p[pixel[3]] > cb) | 
|  | if( p[pixel[4]] > cb) | 
|  | if( p[pixel[5]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[9]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[5]] < c_b) | 
|  | if( p[pixel[4]] < c_b) | 
|  | if( p[pixel[3]] < c_b) | 
|  | if( p[pixel[2]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[11]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[14]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[14]] < c_b) | 
|  | if( p[pixel[15]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[14]] > cb) | 
|  | if( p[pixel[15]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[5]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[4]] > cb) | 
|  | if( p[pixel[5]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[3]] > cb) | 
|  | if( p[pixel[4]] > cb) | 
|  | if( p[pixel[5]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[2]] > cb) | 
|  | if( p[pixel[3]] > cb) | 
|  | if( p[pixel[4]] > cb) | 
|  | if( p[pixel[5]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[9]] < c_b) | 
|  | if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[5]] < c_b) | 
|  | if( p[pixel[4]] < c_b) | 
|  | if( p[pixel[3]] < c_b) | 
|  | if( p[pixel[2]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[11]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[14]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[14]] < c_b) | 
|  | if( p[pixel[15]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[0]] < c_b) | 
|  | if( p[pixel[1]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[5]] > cb) | 
|  | if( p[pixel[4]] > cb) | 
|  | if( p[pixel[3]] > cb) | 
|  | if( p[pixel[2]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[14]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[14]] > cb) | 
|  | if( p[pixel[15]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[9]] < c_b) | 
|  | if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[14]] < c_b) | 
|  | if( p[pixel[15]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[5]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[4]] < c_b) | 
|  | if( p[pixel[5]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[3]] < c_b) | 
|  | if( p[pixel[4]] < c_b) | 
|  | if( p[pixel[5]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[2]] < c_b) | 
|  | if( p[pixel[3]] < c_b) | 
|  | if( p[pixel[4]] < c_b) | 
|  | if( p[pixel[5]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[1]] < c_b) | 
|  | if( p[pixel[2]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[5]] > cb) | 
|  | if( p[pixel[4]] > cb) | 
|  | if( p[pixel[3]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[14]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[14]] > cb) | 
|  | if( p[pixel[15]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[9]] < c_b) | 
|  | if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[14]] < c_b) | 
|  | if( p[pixel[15]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[5]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[4]] < c_b) | 
|  | if( p[pixel[5]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[3]] < c_b) | 
|  | if( p[pixel[4]] < c_b) | 
|  | if( p[pixel[5]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[2]] < c_b) | 
|  | if( p[pixel[3]] > cb) | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[5]] > cb) | 
|  | if( p[pixel[4]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[14]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[14]] > cb) | 
|  | if( p[pixel[15]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[14]] < c_b) | 
|  | if( p[pixel[15]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[9]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[5]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[9]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[4]] < c_b) | 
|  | if( p[pixel[5]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[9]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[3]] < c_b) | 
|  | if( p[pixel[4]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[5]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[14]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[14]] > cb) | 
|  | if( p[pixel[15]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[5]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[14]] < c_b) | 
|  | if( p[pixel[15]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[9]] < c_b) | 
|  | if( p[pixel[10]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[5]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[9]] < c_b) | 
|  | if( p[pixel[10]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[5]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[4]] < c_b) | 
|  | if( p[pixel[5]] > cb) | 
|  | if( p[pixel[14]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[15]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[14]] < c_b) | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[15]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[9]] < c_b) | 
|  | if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[11]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[5]] < c_b) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[15]] < c_b) | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[14]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[14]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[14]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[14]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[15]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[14]] < c_b) | 
|  | if( p[pixel[15]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[15]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[14]] < c_b) | 
|  | if( p[pixel[15]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[14]] > cb) | 
|  | if( p[pixel[15]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[14]] < c_b) | 
|  | if( p[pixel[15]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[14]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[15]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[14]] < c_b) | 
|  | if( p[pixel[15]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[9]] < c_b) | 
|  | if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[11]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[5]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[14]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[14]] > cb) | 
|  | if( p[pixel[15]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[14]] < c_b) | 
|  | if( p[pixel[15]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[9]] < c_b) | 
|  | if( p[pixel[10]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[5]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[9]] < c_b) | 
|  | if( p[pixel[10]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[5]] > cb) | 
|  | if( p[pixel[4]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[13]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[14]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[14]] > cb) | 
|  | if( p[pixel[15]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[14]] < c_b) | 
|  | if( p[pixel[15]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[9]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[5]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[9]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[4]] < c_b) | 
|  | if( p[pixel[5]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[9]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[9]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[5]] > cb) | 
|  | if( p[pixel[4]] > cb) | 
|  | if( p[pixel[3]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[12]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[14]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[14]] > cb) | 
|  | if( p[pixel[15]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[9]] < c_b) | 
|  | if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[14]] < c_b) | 
|  | if( p[pixel[15]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[5]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[4]] < c_b) | 
|  | if( p[pixel[5]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[3]] < c_b) | 
|  | if( p[pixel[4]] < c_b) | 
|  | if( p[pixel[5]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[5]] > cb) | 
|  | if( p[pixel[4]] > cb) | 
|  | if( p[pixel[3]] > cb) | 
|  | if( p[pixel[2]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[11]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[14]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[14]] > cb) | 
|  | if( p[pixel[15]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[9]] < c_b) | 
|  | if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[14]] < c_b) | 
|  | if( p[pixel[15]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[5]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[4]] < c_b) | 
|  | if( p[pixel[5]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[3]] < c_b) | 
|  | if( p[pixel[4]] < c_b) | 
|  | if( p[pixel[5]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[2]] < c_b) | 
|  | if( p[pixel[3]] < c_b) | 
|  | if( p[pixel[4]] < c_b) | 
|  | if( p[pixel[5]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[7]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[7]] > cb) | 
|  | if( p[pixel[8]] > cb) | 
|  | if( p[pixel[9]] > cb) | 
|  | if( p[pixel[6]] > cb) | 
|  | if( p[pixel[5]] > cb) | 
|  | if( p[pixel[4]] > cb) | 
|  | if( p[pixel[3]] > cb) | 
|  | if( p[pixel[2]] > cb) | 
|  | if( p[pixel[1]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[10]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[14]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[10]] > cb) | 
|  | if( p[pixel[11]] > cb) | 
|  | if( p[pixel[12]] > cb) | 
|  | if( p[pixel[13]] > cb) | 
|  | if( p[pixel[14]] > cb) | 
|  | if( p[pixel[15]] > cb) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else if( p[pixel[7]] < c_b) | 
|  | if( p[pixel[8]] < c_b) | 
|  | if( p[pixel[9]] < c_b) | 
|  | if( p[pixel[6]] < c_b) | 
|  | if( p[pixel[5]] < c_b) | 
|  | if( p[pixel[4]] < c_b) | 
|  | if( p[pixel[3]] < c_b) | 
|  | if( p[pixel[2]] < c_b) | 
|  | if( p[pixel[1]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | if( p[pixel[10]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[11]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[14]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | if( p[pixel[10]] < c_b) | 
|  | if( p[pixel[11]] < c_b) | 
|  | if( p[pixel[12]] < c_b) | 
|  | if( p[pixel[13]] < c_b) | 
|  | if( p[pixel[14]] < c_b) | 
|  | if( p[pixel[15]] < c_b) | 
|  | goto is_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  | else | 
|  | goto is_not_a_corner; | 
|  |  | 
|  | is_a_corner: | 
|  | bmin=b; | 
|  | goto end_if; | 
|  |  | 
|  | is_not_a_corner: | 
|  | bmax=b; | 
|  | goto end_if; | 
|  |  | 
|  | end_if: | 
|  |  | 
|  | if(bmin == bmax - 1 || bmin == bmax) | 
|  | return bmin; | 
|  | b = (bmin + bmax) / 2; | 
|  | } | 
|  | } | 
|  |  | 
|  | static void make_offsets(int pixel[], int row_stride) | 
|  | { | 
|  | pixel[0] = 0 + row_stride * 3; | 
|  | pixel[1] = 1 + row_stride * 3; | 
|  | pixel[2] = 2 + row_stride * 2; | 
|  | pixel[3] = 3 + row_stride * 1; | 
|  | pixel[4] = 3 + row_stride * 0; | 
|  | pixel[5] = 3 + row_stride * -1; | 
|  | pixel[6] = 2 + row_stride * -2; | 
|  | pixel[7] = 1 + row_stride * -3; | 
|  | pixel[8] = 0 + row_stride * -3; | 
|  | pixel[9] = -1 + row_stride * -3; | 
|  | pixel[10] = -2 + row_stride * -2; | 
|  | pixel[11] = -3 + row_stride * -1; | 
|  | pixel[12] = -3 + row_stride * 0; | 
|  | pixel[13] = -3 + row_stride * 1; | 
|  | pixel[14] = -2 + row_stride * 2; | 
|  | pixel[15] = -1 + row_stride * 3; | 
|  | } | 
|  |  | 
|  |  | 
|  |  | 
|  | int* aom_fast9_score(const byte* i, int stride, xy* corners, int num_corners, int b) | 
|  | { | 
|  | int* scores = (int*)malloc(sizeof(int)* num_corners); | 
|  | int n; | 
|  |  | 
|  | int pixel[16]; | 
|  | make_offsets(pixel, stride); | 
|  |  | 
|  | for(n=0; n < num_corners; n++) | 
|  | scores[n] = aom_fast9_corner_score(i + corners[n].y*stride + corners[n].x, pixel, b); | 
|  |  | 
|  | return scores; | 
|  | } | 
|  |  | 
|  |  | 
|  | xy* aom_fast9_detect(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners) | 
|  | { | 
|  | int num_corners=0; | 
|  | xy* ret_corners; | 
|  | int rsize=512; | 
|  | int pixel[16]; | 
|  | int x, y; | 
|  |  | 
|  | ret_corners = (xy*)malloc(sizeof(xy)*rsize); | 
|  | make_offsets(pixel, stride); | 
|  |  | 
|  | for(y=3; y < ysize - 3; y++) | 
|  | for(x=3; x < xsize - 3; x++) | 
|  | { | 
|  | const byte* p = im + y*stride + x; | 
|  |  | 
|  | int cb = *p + b; | 
|  | int c_b= *p - b; | 
|  | if(p[pixel[0]] > cb) | 
|  | if(p[pixel[1]] > cb) | 
|  | if(p[pixel[2]] > cb) | 
|  | if(p[pixel[3]] > cb) | 
|  | if(p[pixel[4]] > cb) | 
|  | if(p[pixel[5]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[15]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[14]] > cb) | 
|  | if(p[pixel[15]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[14]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[9]] < c_b) | 
|  | if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[15]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[14]] > cb) | 
|  | if(p[pixel[15]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[15]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[14]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[9]] < c_b) | 
|  | if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[14]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[9]] < c_b) | 
|  | if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[14]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[14]] > cb) | 
|  | if(p[pixel[15]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[9]] < c_b) | 
|  | if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[14]] < c_b) | 
|  | if(p[pixel[15]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[5]] < c_b) | 
|  | if(p[pixel[14]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[15]] > cb) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[9]] < c_b) | 
|  | if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[14]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[9]] < c_b) | 
|  | if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[15]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[9]] < c_b) | 
|  | if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[14]] > cb) | 
|  | if(p[pixel[15]] > cb) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[9]] < c_b) | 
|  | if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[14]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[15]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[4]] < c_b) | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[14]] > cb) | 
|  | if(p[pixel[15]] > cb) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | if(p[pixel[10]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[5]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | if(p[pixel[10]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[5]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[9]] < c_b) | 
|  | if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[9]] < c_b) | 
|  | if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[5]] < c_b) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[14]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[14]] < c_b) | 
|  | if(p[pixel[15]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[5]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[9]] < c_b) | 
|  | if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[14]] > cb) | 
|  | if(p[pixel[15]] > cb) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | if(p[pixel[10]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[5]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | if(p[pixel[10]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[9]] < c_b) | 
|  | if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[5]] < c_b) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[14]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[14]] < c_b) | 
|  | if(p[pixel[15]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[3]] < c_b) | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[14]] > cb) | 
|  | if(p[pixel[15]] > cb) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[5]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[4]] > cb) | 
|  | if(p[pixel[5]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[9]] < c_b) | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[5]] < c_b) | 
|  | if(p[pixel[4]] < c_b) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[14]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[14]] < c_b) | 
|  | if(p[pixel[15]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[14]] > cb) | 
|  | if(p[pixel[15]] > cb) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[5]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[4]] > cb) | 
|  | if(p[pixel[5]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[9]] < c_b) | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[5]] < c_b) | 
|  | if(p[pixel[4]] < c_b) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[13]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[14]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[14]] < c_b) | 
|  | if(p[pixel[15]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[2]] < c_b) | 
|  | if(p[pixel[9]] > cb) | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[14]] > cb) | 
|  | if(p[pixel[15]] > cb) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[5]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[4]] > cb) | 
|  | if(p[pixel[5]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[3]] > cb) | 
|  | if(p[pixel[4]] > cb) | 
|  | if(p[pixel[5]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[9]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[5]] < c_b) | 
|  | if(p[pixel[4]] < c_b) | 
|  | if(p[pixel[3]] < c_b) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[14]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[14]] < c_b) | 
|  | if(p[pixel[15]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[9]] > cb) | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[14]] > cb) | 
|  | if(p[pixel[15]] > cb) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[5]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[4]] > cb) | 
|  | if(p[pixel[5]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[3]] > cb) | 
|  | if(p[pixel[4]] > cb) | 
|  | if(p[pixel[5]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[9]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[5]] < c_b) | 
|  | if(p[pixel[4]] < c_b) | 
|  | if(p[pixel[3]] < c_b) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[12]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[14]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[14]] < c_b) | 
|  | if(p[pixel[15]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[1]] < c_b) | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[14]] > cb) | 
|  | if(p[pixel[15]] > cb) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[5]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[4]] > cb) | 
|  | if(p[pixel[5]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[3]] > cb) | 
|  | if(p[pixel[4]] > cb) | 
|  | if(p[pixel[5]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[2]] > cb) | 
|  | if(p[pixel[3]] > cb) | 
|  | if(p[pixel[4]] > cb) | 
|  | if(p[pixel[5]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[9]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[5]] < c_b) | 
|  | if(p[pixel[4]] < c_b) | 
|  | if(p[pixel[3]] < c_b) | 
|  | if(p[pixel[2]] < c_b) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[11]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[14]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[14]] < c_b) | 
|  | if(p[pixel[15]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[14]] > cb) | 
|  | if(p[pixel[15]] > cb) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[5]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[4]] > cb) | 
|  | if(p[pixel[5]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[3]] > cb) | 
|  | if(p[pixel[4]] > cb) | 
|  | if(p[pixel[5]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[2]] > cb) | 
|  | if(p[pixel[3]] > cb) | 
|  | if(p[pixel[4]] > cb) | 
|  | if(p[pixel[5]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[9]] < c_b) | 
|  | if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[5]] < c_b) | 
|  | if(p[pixel[4]] < c_b) | 
|  | if(p[pixel[3]] < c_b) | 
|  | if(p[pixel[2]] < c_b) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[11]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[14]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[14]] < c_b) | 
|  | if(p[pixel[15]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[0]] < c_b) | 
|  | if(p[pixel[1]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[5]] > cb) | 
|  | if(p[pixel[4]] > cb) | 
|  | if(p[pixel[3]] > cb) | 
|  | if(p[pixel[2]] > cb) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[14]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[14]] > cb) | 
|  | if(p[pixel[15]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[9]] < c_b) | 
|  | if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[14]] < c_b) | 
|  | if(p[pixel[15]] < c_b) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[5]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[4]] < c_b) | 
|  | if(p[pixel[5]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[3]] < c_b) | 
|  | if(p[pixel[4]] < c_b) | 
|  | if(p[pixel[5]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[2]] < c_b) | 
|  | if(p[pixel[3]] < c_b) | 
|  | if(p[pixel[4]] < c_b) | 
|  | if(p[pixel[5]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[1]] < c_b) | 
|  | if(p[pixel[2]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[5]] > cb) | 
|  | if(p[pixel[4]] > cb) | 
|  | if(p[pixel[3]] > cb) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[14]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[14]] > cb) | 
|  | if(p[pixel[15]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[9]] < c_b) | 
|  | if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[14]] < c_b) | 
|  | if(p[pixel[15]] < c_b) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[5]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[4]] < c_b) | 
|  | if(p[pixel[5]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[3]] < c_b) | 
|  | if(p[pixel[4]] < c_b) | 
|  | if(p[pixel[5]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[2]] < c_b) | 
|  | if(p[pixel[3]] > cb) | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[5]] > cb) | 
|  | if(p[pixel[4]] > cb) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[14]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[14]] > cb) | 
|  | if(p[pixel[15]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[14]] < c_b) | 
|  | if(p[pixel[15]] < c_b) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[9]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[5]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[9]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[4]] < c_b) | 
|  | if(p[pixel[5]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[9]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[3]] < c_b) | 
|  | if(p[pixel[4]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[5]] > cb) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[14]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[14]] > cb) | 
|  | if(p[pixel[15]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[5]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[14]] < c_b) | 
|  | if(p[pixel[15]] < c_b) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[9]] < c_b) | 
|  | if(p[pixel[10]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[5]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[9]] < c_b) | 
|  | if(p[pixel[10]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[5]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[4]] < c_b) | 
|  | if(p[pixel[5]] > cb) | 
|  | if(p[pixel[14]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[15]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[14]] < c_b) | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[15]] < c_b) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[9]] < c_b) | 
|  | if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[11]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[5]] < c_b) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[15]] < c_b) | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[14]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[14]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[14]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[14]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[15]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[14]] < c_b) | 
|  | if(p[pixel[15]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[15]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[14]] < c_b) | 
|  | if(p[pixel[15]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[14]] > cb) | 
|  | if(p[pixel[15]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[14]] < c_b) | 
|  | if(p[pixel[15]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[14]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[15]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[14]] < c_b) | 
|  | if(p[pixel[15]] < c_b) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[9]] < c_b) | 
|  | if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[11]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[5]] > cb) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[14]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[14]] > cb) | 
|  | if(p[pixel[15]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[14]] < c_b) | 
|  | if(p[pixel[15]] < c_b) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[9]] < c_b) | 
|  | if(p[pixel[10]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[5]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[9]] < c_b) | 
|  | if(p[pixel[10]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[5]] > cb) | 
|  | if(p[pixel[4]] > cb) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[13]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[14]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[14]] > cb) | 
|  | if(p[pixel[15]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[14]] < c_b) | 
|  | if(p[pixel[15]] < c_b) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[9]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[5]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[9]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[4]] < c_b) | 
|  | if(p[pixel[5]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[9]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[9]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[5]] > cb) | 
|  | if(p[pixel[4]] > cb) | 
|  | if(p[pixel[3]] > cb) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[12]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[14]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[14]] > cb) | 
|  | if(p[pixel[15]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[9]] < c_b) | 
|  | if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[14]] < c_b) | 
|  | if(p[pixel[15]] < c_b) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[5]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[4]] < c_b) | 
|  | if(p[pixel[5]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[3]] < c_b) | 
|  | if(p[pixel[4]] < c_b) | 
|  | if(p[pixel[5]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[5]] > cb) | 
|  | if(p[pixel[4]] > cb) | 
|  | if(p[pixel[3]] > cb) | 
|  | if(p[pixel[2]] > cb) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[11]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[14]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[14]] > cb) | 
|  | if(p[pixel[15]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[9]] < c_b) | 
|  | if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[14]] < c_b) | 
|  | if(p[pixel[15]] < c_b) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[5]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[4]] < c_b) | 
|  | if(p[pixel[5]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[3]] < c_b) | 
|  | if(p[pixel[4]] < c_b) | 
|  | if(p[pixel[5]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[2]] < c_b) | 
|  | if(p[pixel[3]] < c_b) | 
|  | if(p[pixel[4]] < c_b) | 
|  | if(p[pixel[5]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[7]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[7]] > cb) | 
|  | if(p[pixel[8]] > cb) | 
|  | if(p[pixel[9]] > cb) | 
|  | if(p[pixel[6]] > cb) | 
|  | if(p[pixel[5]] > cb) | 
|  | if(p[pixel[4]] > cb) | 
|  | if(p[pixel[3]] > cb) | 
|  | if(p[pixel[2]] > cb) | 
|  | if(p[pixel[1]] > cb) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[10]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[14]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[10]] > cb) | 
|  | if(p[pixel[11]] > cb) | 
|  | if(p[pixel[12]] > cb) | 
|  | if(p[pixel[13]] > cb) | 
|  | if(p[pixel[14]] > cb) | 
|  | if(p[pixel[15]] > cb) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else if(p[pixel[7]] < c_b) | 
|  | if(p[pixel[8]] < c_b) | 
|  | if(p[pixel[9]] < c_b) | 
|  | if(p[pixel[6]] < c_b) | 
|  | if(p[pixel[5]] < c_b) | 
|  | if(p[pixel[4]] < c_b) | 
|  | if(p[pixel[3]] < c_b) | 
|  | if(p[pixel[2]] < c_b) | 
|  | if(p[pixel[1]] < c_b) | 
|  | {} | 
|  | else | 
|  | if(p[pixel[10]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[11]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[14]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | if(p[pixel[10]] < c_b) | 
|  | if(p[pixel[11]] < c_b) | 
|  | if(p[pixel[12]] < c_b) | 
|  | if(p[pixel[13]] < c_b) | 
|  | if(p[pixel[14]] < c_b) | 
|  | if(p[pixel[15]] < c_b) | 
|  | {} | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | else | 
|  | continue; | 
|  | if(num_corners == rsize) | 
|  | { | 
|  | rsize*=2; | 
|  | ret_corners = (xy*)realloc(ret_corners, sizeof(xy)*rsize); | 
|  | } | 
|  | ret_corners[num_corners].x = x; | 
|  | ret_corners[num_corners].y = y; | 
|  | num_corners++; | 
|  |  | 
|  | } | 
|  |  | 
|  | *ret_num_corners = num_corners; | 
|  | return ret_corners; | 
|  |  | 
|  | } | 
|  |  | 
|  | // clang-format on |