diff options
| author | Roland McGrath <roland@gnu.org> | 1996-07-12 00:43:28 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 1996-07-12 00:43:28 +0000 |
| commit | e6c9a67a0bdb970f3b7f7ced6581b98cfe35797c (patch) | |
| tree | f44ede8d7ebfe1f660126bebf0f2ef7009e04309 /sysdeps/libm-ieee754/s_ldexpl.c | |
| parent | adc6ff7f817959b0acf48de1bf0e7a7a6c0b901d (diff) | |
* math/Makefile (calls): Add s_frexp, s_ldexp.
(routines): Remove them and &f from here.
* sys/socket.h: New file, wrapper for socket/sys/socket.h.
Thu Jul 11 00:22:40 1996 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/libm-ieee754/s_frexpl.c: New file. `long double'
implementation of frexp() function.
* sysdeps/libm-ieee754/s_ldexpl.c: New file. `long double'
implementation of ldexp() function.
* sysdeps/libm-i387/s_isnanl.c (isnanl): Mask explicit one
out before or'ing.
Diffstat (limited to 'sysdeps/libm-ieee754/s_ldexpl.c')
| -rw-r--r-- | sysdeps/libm-ieee754/s_ldexpl.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/sysdeps/libm-ieee754/s_ldexpl.c b/sysdeps/libm-ieee754/s_ldexpl.c new file mode 100644 index 0000000000..bf64c89898 --- /dev/null +++ b/sysdeps/libm-ieee754/s_ldexpl.c @@ -0,0 +1,37 @@ +/* s_ldexpl.c -- long double version of s_ldexp.c. + * Conversion to long double by Ulrich Drepper, + * Cygnus Support, drepper@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. + * ==================================================== + */ + +#if defined(LIBM_SCCS) && !defined(lint) +static char rcsid[] = "$NetBSD: $"; +#endif + +#include "math.h" +#include "math_private.h" +#include <errno.h> + +#ifdef __STDC__ + long double __ldexpl(long double value, int exp) +#else + long double __ldexpl(value, exp) + long double value; int exp; +#endif +{ + if(!__finitel(value)||value==0.0) return value; + value = __scalbnl(value,exp); + if(!__finitel(value)||value==0.0) errno = ERANGE; + return value; +} +weak_alias (__ldexpl, ldexpl) |