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author | Elliott Hughes <enh@google.com> | 2015-08-24 21:08:13 +0000 |
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committer | Elliott Hughes <enh@google.com> | 2015-08-24 21:08:13 +0000 |
commit | c5deb0f883cbdca7e5ab75f92f82c31d21367f49 (patch) | |
tree | e1336898a36e28000e765cd8d0584780b5ce6066 /libm/upstream-freebsd | |
parent | d76f16973a9d06765fb1f482239b9559f893ffd0 (diff) | |
download | bionic-c5deb0f883cbdca7e5ab75f92f82c31d21367f49.tar.gz |
Revert "Use compiler builtins for fabs."
Use of "extern inline" breaks clang build.
This reverts commit d76f16973a9d06765fb1f482239b9559f893ffd0.
Change-Id: I995d0d38c3776f5c50b060f16770741c92a2acac
Diffstat (limited to 'libm/upstream-freebsd')
-rw-r--r-- | libm/upstream-freebsd/lib/msun/src/s_fabs.c | 31 | ||||
-rw-r--r-- | libm/upstream-freebsd/lib/msun/src/s_fabsf.c | 33 |
2 files changed, 64 insertions, 0 deletions
diff --git a/libm/upstream-freebsd/lib/msun/src/s_fabs.c b/libm/upstream-freebsd/lib/msun/src/s_fabs.c new file mode 100644 index 000000000..15529e585 --- /dev/null +++ b/libm/upstream-freebsd/lib/msun/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[] = "$FreeBSD$"; +#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; +} diff --git a/libm/upstream-freebsd/lib/msun/src/s_fabsf.c b/libm/upstream-freebsd/lib/msun/src/s_fabsf.c new file mode 100644 index 000000000..e9383d0db --- /dev/null +++ b/libm/upstream-freebsd/lib/msun/src/s_fabsf.c @@ -0,0 +1,33 @@ +/* s_fabsf.c -- float version of s_fabs.c. + * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. + */ + +/* + * ==================================================== + * 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. + * ==================================================== + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +/* + * fabsf(x) returns the absolute value of x. + */ + +#include "math.h" +#include "math_private.h" + +float +fabsf(float x) +{ + u_int32_t ix; + GET_FLOAT_WORD(ix,x); + SET_FLOAT_WORD(x,ix&0x7fffffff); + return x; +} |