diff options
author | Rich Felker <dalias@aerifal.cx> | 2011-02-12 00:22:29 -0500 |
---|---|---|
committer | Rich Felker <dalias@aerifal.cx> | 2011-02-12 00:22:29 -0500 |
commit | 0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 (patch) | |
tree | 6eaef0d8a720fa3da580de87b647fff796fe80b3 /src/math/s_fabs.c | |
download | musl-0b44a0315b47dd8eced9f3b7f31580cf14bbfc01.tar.gz musl-0b44a0315b47dd8eced9f3b7f31580cf14bbfc01.tar.bz2 musl-0b44a0315b47dd8eced9f3b7f31580cf14bbfc01.tar.xz musl-0b44a0315b47dd8eced9f3b7f31580cf14bbfc01.zip |
initial check-in, version 0.5.0v0.5.0
Diffstat (limited to 'src/math/s_fabs.c')
-rw-r--r-- | src/math/s_fabs.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/math/s_fabs.c b/src/math/s_fabs.c new file mode 100644 index 00000000..74433250 --- /dev/null +++ b/src/math/s_fabs.c @@ -0,0 +1,27 @@ +/* @(#)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. + * ==================================================== + */ + +/* + * fabs(x) returns the absolute value of x. + */ + +#include <math.h> +#include "math_private.h" + +double +fabs(double x) +{ + uint32_t high; + GET_HIGH_WORD(high,x); + SET_HIGH_WORD(x,high&0x7fffffff); + return x; +} |