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// { dg-options "-std=gnu++0x" }

// { dg-add-options ieee }

// 2010-02-25  Ed Smith-Rowland

// Copyright (C) 2010, 2011 Free Software Foundation

//

// 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/>.

// 18.2.1.1 template class numeric_limits

#include <limits>

#include <cmath>

#include <testsuite_hooks.h>

void

test01()

{

  bool test __attribute__((unused)) = true;

  VERIFY( std::numeric_limits<bool>::max_digits10 == 0 );

  VERIFY( std::numeric_limits<char>::max_digits10 == 0 );

  VERIFY( std::numeric_limits<signed char>::max_digits10 == 0 );

  VERIFY( std::numeric_limits<unsigned char>::max_digits10 == 0 );

  VERIFY( std::numeric_limits<wchar_t>::max_digits10 == 0 );

  VERIFY( std::numeric_limits<short>::max_digits10 == 0 );

  VERIFY( std::numeric_limits<unsigned short>::max_digits10 == 0 );

  VERIFY( std::numeric_limits<int>::max_digits10 == 0 );

  VERIFY( std::numeric_limits<unsigned int>::max_digits10 == 0 );

  VERIFY( std::numeric_limits<long>::max_digits10 == 0 );

  VERIFY( std::numeric_limits<unsigned long>::max_digits10 == 0 );

  VERIFY( std::numeric_limits<long long>::max_digits10 == 0 );

  VERIFY( std::numeric_limits<unsigned long long>::max_digits10 == 0 );

  VERIFY( std::numeric_limits<char16_t>::max_digits10 == 0 );

  VERIFY( std::numeric_limits<char32_t>::max_digits10 == 0 );

  // GNU Extensions.

#ifdef _GLIBCXX_USE_INT128

  VERIFY( std::numeric_limits<__int128>::max_digits10 == 0 );

  VERIFY( std::numeric_limits<unsigned __int128>::max_digits10 == 0 );

#endif

  const int f_max_digits10 = (2 + std::numeric_limits<float>::digits

                              * 643 / 2136);

  VERIFY( std::numeric_limits<float>::max_digits10 == f_max_digits10 );

  const int d_max_digits10 = (2 + std::numeric_limits<double>::digits

                              * 643 / 2136);

  VERIFY( std::numeric_limits<double>::max_digits10 == d_max_digits10 );

  const int ld_max_digits10 = (2 + std::numeric_limits<long double>::digits

                               * 643 / 2136);

  VERIFY( std::numeric_limits<long double>::max_digits10 == ld_max_digits10 );

}

int main()

{

  test01();

  return 0;

}