1*4887Schin /*********************************************************************** 2*4887Schin * * 3*4887Schin * This software is part of the ast package * 4*4887Schin * Copyright (c) 1985-2007 AT&T Knowledge Ventures * 5*4887Schin * and is licensed under the * 6*4887Schin * Common Public License, Version 1.0 * 7*4887Schin * by AT&T Knowledge Ventures * 8*4887Schin * * 9*4887Schin * A copy of the License is available at * 10*4887Schin * http://www.opensource.org/licenses/cpl1.0.txt * 11*4887Schin * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 12*4887Schin * * 13*4887Schin * Information and Software Systems Research * 14*4887Schin * AT&T Research * 15*4887Schin * Florham Park NJ * 16*4887Schin * * 17*4887Schin * Glenn Fowler <gsf@research.att.com> * 18*4887Schin * David Korn <dgk@research.att.com> * 19*4887Schin * Phong Vo <kpv@research.att.com> * 20*4887Schin * * 21*4887Schin ***********************************************************************/ 22*4887Schin /* 23*4887Schin * used to test if -last requires -lm 24*4887Schin * 25*4887Schin * arch -last -lm 26*4887Schin * ---- ----- --- 27*4887Schin * linux.sparc sfdlen,sfputd frexp,ldexp 28*4887Schin */ 29*4887Schin 30*4887Schin #include <math.h> 31*4887Schin 32*4887Schin int 33*4887Schin main() 34*4887Schin { 35*4887Schin #if N & 1 36*4887Schin long double value = 0; 37*4887Schin #else 38*4887Schin double value = 0; 39*4887Schin #endif 40*4887Schin #if N < 5 41*4887Schin int exp = 0; 42*4887Schin #endif 43*4887Schin 44*4887Schin #if N == 1 45*4887Schin return ldexpl(value, exp) != 0; 46*4887Schin #endif 47*4887Schin #if N == 2 48*4887Schin return ldexp(value, exp) != 0; 49*4887Schin #endif 50*4887Schin #if N == 3 51*4887Schin return frexpl(value, &exp) != 0; 52*4887Schin #endif 53*4887Schin #if N == 4 54*4887Schin return frexp(value, &exp) != 0; 55*4887Schin #endif 56*4887Schin #if N == 5 57*4887Schin return isnan(value); 58*4887Schin #endif 59*4887Schin #if N == 6 60*4887Schin return isnan(value); 61*4887Schin #endif 62*4887Schin } 63