| The Android Open Source Project | a27d2ba | 2008-10-21 07:00:00 -0700 | [diff] [blame^] | 1 | /* @(#)s_fabs.c 5.1 93/09/24 */ |
| 2 | /* |
| 3 | * ==================================================== |
| 4 | * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. |
| 5 | * |
| 6 | * Developed at SunPro, a Sun Microsystems, Inc. business. |
| 7 | * Permission to use, copy, modify, and distribute this |
| 8 | * software is freely granted, provided that this notice |
| 9 | * is preserved. |
| 10 | * ==================================================== |
| 11 | */ |
| 12 | |
| 13 | #ifndef lint |
| 14 | static char rcsid[] = "$FreeBSD: src/lib/msun/src/s_fabs.c,v 1.7 2002/05/28 18:15:04 alfred Exp $"; |
| 15 | #endif |
| 16 | |
| 17 | /* |
| 18 | * fabs(x) returns the absolute value of x. |
| 19 | */ |
| 20 | |
| 21 | #include "math.h" |
| 22 | #include "math_private.h" |
| 23 | |
| 24 | double |
| 25 | fabs(double x) |
| 26 | { |
| 27 | u_int32_t high; |
| 28 | GET_HIGH_WORD(high,x); |
| 29 | SET_HIGH_WORD(x,high&0x7fffffff); |
| 30 | return x; |
| 31 | } |