/* Test for the C++ implementation of iscanonical.

   Copyright (C) 2017-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#define _GNU_SOURCE 1

#include <math.h>

#include <stdio.h>

static int errors;

template <class T>

static void

check_type ()

{

  T val = 0;

  /* Check if iscanonical is available in C++ mode (bug 22235).  */

  if (iscanonical (val) == 0)

    errors++;

}

static int

do_test (void)

{

  check_type<float> ();

  check_type<double> ();

  check_type<long double> ();

#if __HAVE_DISTINCT_FLOAT128

  check_type<_Float128> ();

#endif

  return errors != 0;

}

#include <support/test-driver.c>