Update.
[glibc.git] / sysdeps / libm-ieee754 / s_significand.c
blob4ab078c473f3be475cf435d81493b03f1e281c79
1 /* @(#)s_signif.c 5.1 93/09/24 */
2 /*
3 * ====================================================
4 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
6 * Developed at SunPro, a Sun Microsystems, Inc. business.
7 * Permission to use, copy, modify, and distribute this
8 * software is freely granted, provided that this notice
9 * is preserved.
10 * ====================================================
13 #if defined(LIBM_SCCS) && !defined(lint)
14 static char rcsid[] = "$NetBSD: s_significand.c,v 1.6 1995/05/10 20:48:11 jtc Exp $";
15 #endif
18 * significand(x) computes just
19 * scalb(x, (double) -ilogb(x)),
20 * for exercising the fraction-part(F) IEEE 754-1985 test vector.
23 #include "math.h"
24 #include "math_private.h"
26 #ifdef __STDC__
27 double __significand(double x)
28 #else
29 double __significand(x)
30 double x;
31 #endif
33 return __ieee754_scalb(x,(double) -ilogb(x));
35 weak_alias (__significand, significand)
36 #ifdef NO_LONG_DOUBLE
37 strong_alias (__significand, __significandl)
38 weak_alias (__significand, significandl)
39 #endif