| /* @(#)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) |
