Mercurial > sdl-ios-xcode
view src/libm/s_fabs.c @ 4434:5c64052fb476
changeset: 4433:25667ea797fa
tag: tip
user: Jiang Jiang <gzjjgod@gmail.com>
date: Thu Apr 15 12:01:46 2010 +0800
summary: Add windowID to text editing event
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Thu, 15 Apr 2010 22:14:26 -0700 |
parents | dc1eb82ffdaa |
children |
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/* @(#)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.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)