1 /*-
2  * Copyright (C) 2010 The Android Open Source Project
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 #define _GNU_SOURCE 1
28 #include <math.h>
29 
30 // Disable sincos optimization for all functions in this file,
31 // otherwise gcc would generate infinite calls.
32 // Refer to gcc PR46926.
33 // -fno-builtin-sin or -fno-builtin-cos can disable sincos optimization,
34 // but these two options do not work inside optimize pragma in-file.
35 // Thus we just enforce -O0 when compiling this file.
36 #pragma GCC optimize ("O0")
37 
sincos(double x,double * p_sin,double * p_cos)38 void sincos(double x, double* p_sin, double* p_cos) {
39   *p_sin = sin(x);
40   *p_cos = cos(x);
41 }
42 
sincosf(float x,float * p_sinf,float * p_cosf)43 void sincosf(float x, float* p_sinf, float* p_cosf) {
44   *p_sinf = sinf(x);
45   *p_cosf = cosf(x);
46 }
47 
sincosl(long double x,long double * p_sinl,long double * p_cosl)48 void sincosl(long double x, long double* p_sinl, long double* p_cosl) {
49   *p_sinl = sinl(x);
50   *p_cosl = cosl(x);
51 }
52