diff options
| author | The Android Open Source Project <initial-contribution@android.com> | 2008-10-21 07:00:00 -0700 |
|---|---|---|
| committer | The Android Open Source Project <initial-contribution@android.com> | 2008-10-21 07:00:00 -0700 |
| commit | a27d2baa0c1a2ec70f47ea9199b1dd6762c8a349 (patch) | |
| tree | defd1cc07d16ad2f3b21154114e092d11c94c5bb /libm/src/s_fabs.c | |
| download | bionic-a27d2baa0c1a2ec70f47ea9199b1dd6762c8a349.zip bionic-a27d2baa0c1a2ec70f47ea9199b1dd6762c8a349.tar.gz bionic-a27d2baa0c1a2ec70f47ea9199b1dd6762c8a349.tar.bz2 | |
Initial Contributionandroid-1.0
Diffstat (limited to 'libm/src/s_fabs.c')
| -rw-r--r-- | libm/src/s_fabs.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/libm/src/s_fabs.c b/libm/src/s_fabs.c new file mode 100644 index 0000000..0dfa940 --- /dev/null +++ b/libm/src/s_fabs.c @@ -0,0 +1,31 @@ +/* @(#)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. + * ==================================================== + */ + +#ifndef lint +static char rcsid[] = "$FreeBSD: src/lib/msun/src/s_fabs.c,v 1.7 2002/05/28 18:15:04 alfred Exp $"; +#endif + +/* + * fabs(x) returns the absolute value of x. + */ + +#include "math.h" +#include "math_private.h" + +double +fabs(double x) +{ + u_int32_t high; + GET_HIGH_WORD(high,x); + SET_HIGH_WORD(x,high&0x7fffffff); + return x; +} |