NotARational.h

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/*
    RawSpeed - RAW file decoder.
 
    Copyright (C) 2022 Roman Lebedev
 
    This 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 of the License, 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
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
 
#pragma once
 
#include <type_traits>
 
namespace rawspeed {
 
template <class T> struct NotARational final {
public:
  using value_type = T;
 
  T num;
  T den;
 
  NotARational() = default;
  NotARational(T num_, T den_) : num(num_), den(den_) {}
 
  template <typename T2>
    requires std::is_floating_point_v<T2>
  explicit operator T2() const {
    return T2(num) / T2(den);
  }
};
 
} // namespace rawspeed