nan.h

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/*
  Copyright (C) 2018-2024 by the authors of the World Builder code.

  This file is part of the World Builder.

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

   This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.
*/

#ifndef WORLD_BUILDER_NAN_H
#define WORLD_BUILDER_NAN_H

#include <limits>

namespace WorldBuilder
{
  namespace NaN
  {
    const double DQNAN = std::numeric_limits<double>::quiet_NaN();

    const unsigned int IQNAN = std::numeric_limits<unsigned int>::quiet_NaN();
    const double DSNAN = std::numeric_limits<double>::signaling_NaN();

    const unsigned int ISNAN = std::numeric_limits<unsigned int>::signaling_NaN();
  } // namespace NaN
} // namespace WorldBuilder

#endif