/***********************************************************************

*                                                                      *

*               This software is part of the ast package               *

*          Copyright (c) 1985-2011 AT&T Intellectual Property          *

*                      and is licensed under the                       *

*                 Eclipse Public License, Version 1.0                  *

*                    by AT&T Intellectual Property                     *

*                                                                      *

*                A copy of the License is available at                 *

*          http://www.eclipse.org/org/documents/epl-v10.html           *

*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *

*                                                                      *

*              Information and Software Systems Research               *

*                            AT&T Research                             *

*                           Florham Park NJ                            *

*                                                                      *

*                 Glenn Fowler <gsf@research.att.com>                  *

*                  David Korn <dgk@research.att.com>                   *

*                   Phong Vo <kpv@research.att.com>                    *

*                                                                      *

***********************************************************************/

/*

 * used to test if -last requires -lm

 *

 *	arch		-last			-lm

 *	----		-----			---

 *	linux.sparc	sfdlen,sfputd		frexp,ldexp	

 */

#if N >= 8

#define _ISOC99_SOURCE	1

#endif

#include <math.h>

int

main()

{

#if N & 1

	long double	value = 0;

#else

	double		value = 0;

#endif

#if N < 5

	int		exp = 0;

#endif

#if N == 1

	return ldexpl(value, exp) != 0;

#endif

#if N == 2

	return ldexp(value, exp) != 0;

#endif

#if N == 3

	return frexpl(value, &exp) != 0;

#endif

#if N == 4

	return frexp(value, &exp) != 0;

#endif

#if N == 5

	return isnan(value);

#endif

#if N == 6

	return isnan(value);

#endif

#if N == 7

	return copysign(1.0, value) < 0;

#endif

#if N == 8

	return signbit(value);

#endif

}