// Inspired by libstdc++/7680 & 26_numerics/c_math.cc, 2003-04-12 ljr

// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

// { dg-do link }
// { dg-options "-D_XOPEN_SOURCE" { target *-*-freebsd* } }

#include <cmath>

int
test01()
{
  float a = 1.f;
  float b;
  std::modf(a, &b);
  return 0;
}

int
test02 ()
{
  float a = 0.0f;
  float b __attribute__((unused)) = std::acos(a);
  return 0;
}

int
main()
{
  test01();
  test02();
  return 0;
}