Mercurial > sdl-ios-xcode
view src/libm/s_fabs.c @ 3058:17c5930f498e
Throw a FIXME in there, we'll need to take care of this later.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Mon, 09 Feb 2009 06:15:06 +0000 |
parents | a98604b691c8 |
children | dc1eb82ffdaa |
line wrap: on
line source
/* @(#)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 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.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)