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[thirdparty/gcc.git] / libstdc++-v3 / testsuite / 20_util / is_floating_point / value.cc

// { dg-options "-Wno-pedantic" }
// { dg-do compile { target c++11 } }
//
// Copyright (C) 2011-2023 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
//
// This 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3.  If not see
// <http://www.gnu.org/licenses/>.

#include <type_traits>
#include <testsuite_tr1.h>

void test01()
{
  using std::is_floating_point;
  using namespace __gnu_test;

  static_assert(test_category<is_floating_point, void>(false), "");
  static_assert(test_category<is_floating_point, char>(false), "");
  static_assert(test_category<is_floating_point, signed char>(false), "");
  static_assert(test_category<is_floating_point, unsigned char>(false), "");
  static_assert(test_category<is_floating_point, wchar_t>(false), "");
  static_assert(test_category<is_floating_point, short>(false), "");
  static_assert(test_category<is_floating_point, unsigned short>(false), "");
  static_assert(test_category<is_floating_point, int>(false), "");
  static_assert(test_category<is_floating_point, unsigned int>(false), "");
  static_assert(test_category<is_floating_point, long>(false), "");
  static_assert(test_category<is_floating_point, unsigned long>(false), "");
  static_assert(test_category<is_floating_point, long long>(false), "");
  static_assert(test_category<is_floating_point,
		unsigned long long>(false), "");

  static_assert(test_category<is_floating_point, float>(true), "");
  static_assert(test_category<is_floating_point, double>(true), "");
  static_assert(test_category<is_floating_point, long double>(true), "");

#ifndef __STRICT_ANSI__
  // GNU Extensions.
#ifdef _GLIBCXX_USE_FLOAT128
  static_assert(test_category<is_floating_point, __float128>(true), "");
#endif

#ifdef __SIZEOF_INT128__
  static_assert(test_category<is_floating_point, __int128>(false), "");
  static_assert(test_category<is_floating_point,
		unsigned __int128>(false), "");
#endif
#endif

  // Sanity check.
  static_assert(test_category<is_floating_point, ClassType>(false), "");
}