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 /* 31 * This file is almost the same as bionic/libm/sincos.c except 32 * we declare the function to have hiddlen visibility. The library 33 * libstlport.so is linked against libm.so in the NDK, which does not 34 * have sincos(), sincosf() and sincosl(). These functions are used 35 * in code generated by gcc-4.6.0 so we need to provide them. We don't 36 * want to export these functions here, hence we declare them hidden. 37 */ 38 #define HIDDEN __attribute__ ((visibility ("hidden"))) 39 40 void HIDDEN sincos(double x, double *psin, double *pcos) 41 { 42 *psin = sin(x); 43 *pcos = cos(x); 44 } 45 46 void HIDDEN sincosf(float x, float *psin, float *pcos) 47 { 48 *psin = sinf(x); 49 *pcos = cosf(x); 50 } 51 52 void HIDDEN sincosl(long double x, long double *psin, long double *pcos) 53 { 54 *psin = sin(x); 55 *pcos = cos(x); 56 } 57