mirror of
git://gcc.gnu.org/git/gcc.git
synced 2024-12-21 18:09:53 +08:00
48 lines
936 B
C
48 lines
936 B
C
/* sf_fabs.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.
|
|
* ====================================================
|
|
*/
|
|
|
|
/*
|
|
* fabsf(x) returns the absolute value of x.
|
|
*/
|
|
|
|
#include "fdlibm.h"
|
|
|
|
#ifdef __STDC__
|
|
float fabsf(float x)
|
|
#else
|
|
float fabsf(x)
|
|
float x;
|
|
#endif
|
|
{
|
|
uint32_t ix;
|
|
GET_FLOAT_WORD(ix,x);
|
|
SET_FLOAT_WORD(x,ix&0x7fffffff);
|
|
return x;
|
|
}
|
|
|
|
#ifdef _DOUBLE_IS_32BITS
|
|
|
|
#ifdef __STDC__
|
|
double fabs(double x)
|
|
#else
|
|
double fabs(x)
|
|
double x;
|
|
#endif
|
|
{
|
|
return (double) fabsf((float) x);
|
|
}
|
|
|
|
#endif /* defined(_DOUBLE_IS_32BITS) */
|