range.h

/* Copyright (C) 2003-2005  Martin Förg
 
 * 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 2.1 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
 *
 * Contact:
 *   martin.o.foerg@googlemail.com
 *
 */
 
#ifndef range_h
#define range_h
 
#include "types.h"
#include <cassert>
 
namespace fmatvec {
 
  template <class Row, class Col> class Range {
    private:
  };
 
  template <> class Range<Var, Var> {
    private:
      
 
    int i1, i2;
 
 
    public:
 
      inline Range() { i1 = i2 = 0;}
 
      inline Range(int i1_) : i1(i1_), i2(i1_) { 
    assert(i1>=0);
      }
 
      inline Range(int i1_, int i2_) : i1(i1_), i2(i2_) {
    assert(i1>=0);
    //assert(i2>=i1-1);
      }
 
      int start() const {return i1;}
 
      int end() const {return i2;}
 
      int size() const {return i2-i1+1;}
  };
 
 
  template <int I1, int I2> class Range<Fixed<I1>, Fixed<I2>> {
    private:
      
    public:
 
      int start() const {return I1;}
 
      int end() const {return I2;}
  };
 
  inline bool operator==(const Range<Var,Var> &I, const Range<Var,Var> &J) {
    if(I.start() == J.start() && I.end() == J.end())
      return true;
    else
      return false;
  }
 
}
 
#endif