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glibc/math/s_significand.c
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/* @(#)s_signif.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_significand.c,v 1.6 1995/05/10 20:48:11 jtc Exp $"; | |
#endif | |
/* | |
* significand(x) computes just | |
* scalb(x, (double) -ilogb(x)), | |
* for exercising the fraction-part(F) IEEE 754-1985 test vector. | |
*/ | |
#include <math.h> | |
#include <math_private.h> | |
double __significand(double x) | |
{ | |
return __ieee754_scalb(x,(double) -__ilogb(x)); | |
} | |
weak_alias (__significand, significand) | |
#ifdef NO_LONG_DOUBLE | |
strong_alias (__significand, __significandl) | |
weak_alias (__significand, significandl) | |
#endif |