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 * psin,double * pcos)38 void sincos(double x, double *psin, double *pcos)
39 {
40 *psin = sin(x);
41 *pcos = cos(x);
42 }
43
sincosf(float x,float * psin,float * pcos)44 void sincosf(float x, float *psin, float *pcos)
45 {
46 *psin = sinf(x);
47 *pcos = cosf(x);
48 }
49
sincosl(long double x,long double * psin,long double * pcos)50 void sincosl(long double x, long double *psin, long double *pcos)
51 {
52 *psin = sin(x);
53 *pcos = cos(x);
54 }
55