Subversion Repositories openrisc_2011-10-31

 
/* @(#)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.
 * ====================================================
 */
 
/*
 * significand(x) computes just
 * 	scalb(x, (double) -ilogb(x)),
 * for exercising the fraction-part(F) IEEE 754-1985 test vector.
 */
 
#include "fdlibm.h"
 
#ifndef _DOUBLE_IS_32BITS
 
#ifdef __STDC__
	double significand(double x)
#else
	double significand(x)
	double x;
#endif
{
	return __ieee754_scalb(x,(double) -ilogb(x));
}
 
#endif /* _DOUBLE_IS_32BITS */