diff options
Diffstat (limited to 'sysdeps/libm-ieee754/s_fabs.c')
| -rw-r--r-- | sysdeps/libm-ieee754/s_fabs.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/sysdeps/libm-ieee754/s_fabs.c b/sysdeps/libm-ieee754/s_fabs.c new file mode 100644 index 0000000000..1b9437c66a --- /dev/null +++ b/sysdeps/libm-ieee754/s_fabs.c @@ -0,0 +1,36 @@ +/* @(#)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 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.h" +#include "math_private.h" + +#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; +} +weak_alias (__fabs, fabs) |