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/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2010 AT&T Intellectual Property *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.opensource.org/licenses/cpl1.0.txt *
* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
* *
* 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
}
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