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      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