glibc/math/s_significandl.c
2011-10-08 05:16:04 -04:00

40 lines
1.0 KiB
C

/* s_significandl.c -- long double version of s_significand.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
/*
* significandl(x) computes just
* scalbl(x, (long double) -ilogbl(x)),
* for exercising the fraction-part(F) IEEE 754-1985 test vector.
*/
#include <math.h>
#include <math_private.h>
#ifdef __STDC__
long double __significandl(long double x)
#else
long double __significandl(x)
long double x;
#endif
{
return __ieee754_scalbl(x,(long double) -__ilogbl(x));
}
weak_alias (__significandl, significandl)