| /* | 
 |  *  Copyright (c) 2010 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. | 
 |  */ | 
 |  | 
 | #ifndef VP9_COMMON_VP9_SYSTEMDEPENDENT_H_ | 
 | #define VP9_COMMON_VP9_SYSTEMDEPENDENT_H_ | 
 |  | 
 | #ifdef _MSC_VER | 
 | #include <math.h> | 
 | #endif | 
 |  | 
 | #include "./vpx_config.h" | 
 | #if ARCH_X86 || ARCH_X86_64 | 
 | void vpx_reset_mmx_state(void); | 
 | #define vp9_clear_system_state() vpx_reset_mmx_state() | 
 | #else | 
 | #define vp9_clear_system_state() | 
 | #endif | 
 |  | 
 | #ifdef _MSC_VER | 
 | // round is not defined in MSVC | 
 | static int round(double x) { | 
 |   if (x < 0) | 
 |     return (int)ceil(x - 0.5); | 
 |   else | 
 |     return (int)floor(x + 0.5); | 
 | } | 
 | #endif | 
 |  | 
 | struct VP9Common; | 
 | void vp9_machine_specific_config(struct VP9Common *); | 
 |  | 
 | #endif  // VP9_COMMON_VP9_SYSTEMDEPENDENT_H_ |