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/*
* Copyright (c) 2015 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <assert.h>
#include "./vpx_dsp_rtcd.h"
uint64_t vpx_sum_squares_2d_i16_c(const int16_t *src, int src_stride,
int size) {
int r, c;
uint64_t ss = 0;
for (r = 0; r < size; r++) {
for (c = 0; c < size; c++) {
const int16_t v = src[c];
ss += v*v;
}
src += src_stride;
}
return ss;
}
uint64_t vpx_sum_squares_i16_c(const int16_t *src, uint32_t n) {
uint64_t ss = 0;
do {
const int16_t v = *src++;
ss += v*v;
} while (--n);
return ss;
}