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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.c-torture/] [execute/] [ieee/] [fp-cmp-1.c] - Rev 297

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#ifndef SIGNAL_SUPPRESS
#include <signal.h>
#endif
 
double dnan = 1.0/0.0 - 1.0/0.0;
double x = 1.0;
 
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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