55 lines
2.1 KiB
C
55 lines
2.1 KiB
C
/*-
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* Copyright (C) 2010 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#define _GNU_SOURCE 1
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#include <math.h>
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#if !defined(__clang__)
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// Disable sincos optimization for all functions in this file,
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// otherwise gcc would generate infinite calls.
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// Refer to gcc PR46926.
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// -fno-builtin-sin or -fno-builtin-cos can disable sincos optimization,
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// but these two options do not work inside optimize pragma in-file.
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// Thus we just enforce -O0 when compiling this file.
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// clang doesn't implement this optimization anyway, so it doesn't need this.
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#pragma GCC optimize ("O0")
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#endif
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void sincos(double x, double* p_sin, double* p_cos) {
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*p_sin = sin(x);
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*p_cos = cos(x);
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}
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void sincosf(float x, float* p_sinf, float* p_cosf) {
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*p_sinf = sinf(x);
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*p_cosf = cosf(x);
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}
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void sincosl(long double x, long double* p_sinl, long double* p_cosl) {
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*p_sinl = sinl(x);
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*p_cosl = cosl(x);
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}
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