blob: 477f9cf09c616cd6d07e549161951bc699a3a180 [file] [log] [blame]
/* Test NAN macro. Runtime exceptions test, to verify NaN is quiet
not signaling. */
/* { dg-do run } */
/* { dg-require-effective-target fenv_exceptions } */
/* { dg-options "-std=c2x -pedantic-errors" } */
/* { dg-add-options ieee } */
#include <fenv.h>
#include <float.h>
/* This should be defined if and only if quiet NaNs are supported for
type float. If the testsuite gains effective-target support for
targets not supporting NaNs, or not supporting them for all types,
this test should only be run for targets supporting quiet NaNs for
float. */
#ifndef NAN
#error "NAN undefined"
volatile float f = NAN;
extern void abort (void);
extern void exit (int);
main (void)
f += f;
if (fetestexcept (FE_INVALID))
abort ();
exit (0);