SDL/src/libm/s_fabs.c

40 lines
898 B
C
Raw Normal View History

/* @(#)s_fabs.c 5.1 93/09/24 */
/*
* ====================================================
* 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 const char rcsid[] =
"$NetBSD: s_fabs.c,v 1.7 1995/05/10 20:47:13 jtc Exp $";
#endif
/*
* fabs(x) returns the absolute value of x.
*/
#include "math_libm.h"
#include "math_private.h"
libm_hidden_proto(fabs)
#ifdef __STDC__
double fabs(double x)
#else
double fabs(x)
double x;
#endif
{
u_int32_t high;
GET_HIGH_WORD(high, x);
SET_HIGH_WORD(x, high & 0x7fffffff);
return x;
}
libm_hidden_def(fabs)