glibc/sysdeps/libm-ieee754/s_fabsf.c

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/* s_fabsf.c -- float version of s_fabs.c.
* Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
*/
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: s_fabsf.c,v 1.4 1995/05/10 20:47:15 jtc Exp $";
#endif
/*
* fabsf(x) returns the absolute value of x.
*/
#include "math.h"
#include "math_private.h"
#ifdef __STDC__
float __fabsf(float x)
#else
float __fabsf(x)
float x;
#endif
{
u_int32_t ix;
GET_FLOAT_WORD(ix,x);
SET_FLOAT_WORD(x,ix&0x7fffffff);
return x;
}
weak_alias (__fabsf, fabsf)