1 /* 2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 12 #ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_OS_SPECIFIC_INLINE_H_ 13 #define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_OS_SPECIFIC_INLINE_H_ 14 15 #include <math.h> 16 #include "typedefs.h" 17 18 // TODO(turaj): switch to WEBRTC_POSIX when available 19 #if defined(WEBRTC_LINUX) || defined(WEBRTC_MAC) 20 #define WebRtcIsac_lrint lrint 21 #elif (defined(WEBRTC_ARCH_X86) && defined(WIN32)) 22 static __inline long int WebRtcIsac_lrint(double x_dbl) { 23 long int x_int; 24 25 __asm { 26 fld x_dbl 27 fistp x_int 28 }; 29 30 return x_int; 31 } 32 #else // Do a slow but correct implementation of lrint 33 34 static __inline long int WebRtcIsac_lrint(double x_dbl) { 35 long int x_int; 36 x_int = (long int)floor(x_dbl + 0.499999999999); 37 return x_int; 38 } 39 40 #endif 41 42 #endif // WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_OS_SPECIFIC_INLINE_H_ 43
