/*********************************************************************** * * * This software is part of the ast package * * Copyright (c) 1985-2007 AT&T Knowledge Ventures * * and is licensed under the * * Common Public License, Version 1.0 * * by AT&T Knowledge Ventures * * * * 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 */ #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 }