POK
/home/jaouen/pok_official/pok/trunk/libpok/libm/fabsf.c
00001 /*
00002  *                               POK header
00003  * 
00004  * The following file is a part of the POK project. Any modification should
00005  * made according to the POK licence. You CANNOT use this file or a part of
00006  * this file is this part of a file for your own project
00007  *
00008  * For more information on the POK licence, please see our LICENCE FILE
00009  *
00010  * Please follow the coding guidelines described in doc/CODING_GUIDELINES
00011  *
00012  *                                      Copyright (c) 2007-2009 POK team 
00013  *
00014  * Created by julien on Fri Jan 30 14:41:34 2009 
00015  */
00016 
00017 /* s_fabsf.c -- float version of s_fabs.c.
00018  * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
00019  */
00020 
00021 /*
00022  * ====================================================
00023  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
00024  *
00025  * Developed at SunPro, a Sun Microsystems, Inc. business.
00026  * Permission to use, copy, modify, and distribute this
00027  * software is freely granted, provided that this notice
00028  * is preserved.
00029  * ====================================================
00030  */
00031 
00032 /*
00033  * fabsf(x) returns the absolute value of x.
00034  */
00035 
00036 #ifdef POK_NEEDS_LIBMATH
00037 
00038 #include <types.h>
00039 #include <libm.h>
00040 #include "math_private.h"
00041 
00042 float
00043 fabsf(float x)
00044 {
00045         uint32_t ix;
00046         GET_FLOAT_WORD(ix,x);
00047         SET_FLOAT_WORD(x,ix&0x7fffffff);
00048         return x;
00049 }
00050 
00051 #endif