michael@0: /*
michael@0:  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
michael@0:  *
michael@0:  *  Use of this source code is governed by a BSD-style license
michael@0:  *  that can be found in the LICENSE file in the root of the source
michael@0:  *  tree. An additional intellectual property rights grant can be found
michael@0:  *  in the file PATENTS.  All contributing project authors may
michael@0:  *  be found in the AUTHORS file in the root of the source tree.
michael@0:  */
michael@0: 
michael@0: #ifndef VP9_COMMON_VP9_SYSTEMDEPENDENT_H_
michael@0: #define VP9_COMMON_VP9_SYSTEMDEPENDENT_H_
michael@0: 
michael@0: #ifdef _MSC_VER
michael@0: #include <math.h>
michael@0: #define snprintf _snprintf
michael@0: #endif
michael@0: 
michael@0: #include "./vpx_config.h"
michael@0: #if ARCH_X86 || ARCH_X86_64
michael@0: void vpx_reset_mmx_state(void);
michael@0: #define vp9_clear_system_state() vpx_reset_mmx_state()
michael@0: #else
michael@0: #define vp9_clear_system_state()
michael@0: #endif
michael@0: 
michael@0: #if defined(_MSC_VER) && _MSC_VER < 1800
michael@0: // round is not defined in MSVC before VS2013.
michael@0: static int round(double x) {
michael@0:   if (x < 0)
michael@0:     return (int)ceil(x - 0.5);
michael@0:   else
michael@0:     return (int)floor(x + 0.5);
michael@0: }
michael@0: #endif
michael@0: 
michael@0: struct VP9Common;
michael@0: void vp9_machine_specific_config(struct VP9Common *cm);
michael@0: 
michael@0: #endif  // VP9_COMMON_VP9_SYSTEMDEPENDENT_H_