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43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
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/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_OS_SPECIFIC_INLINE_H_
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#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_OS_SPECIFIC_INLINE_H_
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#include <math.h>
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#include "typedefs.h"
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// TODO(turaj): switch to WEBRTC_POSIX when available
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#if defined(WEBRTC_LINUX) || defined(WEBRTC_MAC)
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#define WebRtcIsac_lrint lrint
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#elif (defined(WEBRTC_ARCH_X86) && defined(WIN32))
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static __inline long int WebRtcIsac_lrint(double x_dbl) {
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long int x_int;
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__asm {
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fld x_dbl
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fistp x_int
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};
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return x_int;
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}
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#else // Do a slow but correct implementation of lrint
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static __inline long int WebRtcIsac_lrint(double x_dbl) {
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long int x_int;
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x_int = (long int)floor(x_dbl + 0.499999999999);
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return x_int;
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}
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#endif
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#endif // WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_OS_SPECIFIC_INLINE_H_
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