support/fdlibm/s_ldexp.c
author Jan Vrany <jan.vrany@fit.cvut.cz>
Mon, 16 Sep 2013 14:09:52 +0100
branchdevelopment
changeset 2734 f56049613ff3
parent 2380 9195eccdcbd9
permissions -rw-r--r--
Initial support for live code checker / lint. JavaLintService parses the code as you type and displays all errors and other problems. This is done by running compiler in check mode in background. This also removes the necessity for JavaCompilerProblemRegistry.


/* @(#)s_ldexp.c 1.3 95/01/18 */
/*
 * ====================================================
 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
 *
 * Developed at SunSoft, a Sun Microsystems, Inc. business.
 * Permission to use, copy, modify, and distribute this
 * software is freely granted, provided that this notice 
 * is preserved.
 * ====================================================
 */

#include "fdlibm.h"
#include <errno.h>

#ifdef __STDC__
	double ldexp(double value, int exp)
#else
	double ldexp(value, exp)
	double value; int exp;
#endif
{
	if(!finite(value)||value==0.0) return value;
	value = scalbn(value,exp);
	if(!finite(value)||value==0.0) errno = ERANGE;
	return value;
}