/* @(#)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. * ==================================================== */ #include <sys/cdefs.h> #if defined(LIBM_SCCS) && !defined(lint) __RCSID("$NetBSD: s_significand.c,v 1.9 2002/05/26 22:01:58 wiz 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)); } |