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#ifndef SIGNAL_SUPPRESS
#include <signal.h>
#endif
long double dnan = 1.0l/0.0l - 1.0l/0.0l;
long double x = 1.0l;
void leave ()
{
exit (0);
}
main ()
{
#if ! defined (__vax__) && ! defined (_CRAY)
/* Move this line earlier, for architectures (like alpha) that issue
SIGFPE on the first comparisons. */
#ifndef SIGNAL_SUPPRESS
/* Some machines catches a SIGFPE when a NaN is compared.
Let this test succeed o such machines. */
signal (SIGFPE, leave);
#endif
/* NaN is an IEEE unordered operand. All these test should be false. */
if (dnan == dnan)
abort ();
if (dnan != x)
x = 1.0;
else
abort ();
if (dnan < x)
abort ();
if (dnan > x)
abort ();
if (dnan <= x)
abort ();
if (dnan >= x)
abort ();
if (dnan == x)
abort ();
#endif
exit (0);
}
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