DivTable.hpp

/*	MCM file compressor

  Copyright (C) 2013, Google Inc.
  Authors: Mathieu Chartier

  LICENSE

    This file is part of the MCM file compressor.

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

    MCM 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 MCM.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef _DIV_TABLE_HPP_
#define _DIV_TABLE_HPP_

template <typename T, const uint32_t shift_, const uint32_t size_>
class DivTable {
  T data[size_];
public:
  DivTable() {

  }

  void init() {
    for (uint32_t i = 0; i < size_; ++i) {
      data[i] = int(1 << shift_) / int(i * 16 + 1);
    }
  }

  ALWAYS_INLINE uint32_t size() const {
    return size_;
  }

  ALWAYS_INLINE T& operator [] (T i) {
    return data[i];
  }

  ALWAYS_INLINE T operator [] (T i) const {
    return data[i];
  }
};

#endif