glibc/sysdeps/libm-ieee754/s_ldexpl.c
Roland McGrath e6c9a67a0b * 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.
1996-07-12 00:43:28 +00:00

38 lines
995 B
C

/* 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)