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ranges-minmax.icc

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/*
 *  Main authors:
 *     Christian Schulte <schulte@gecode.org>
 *
 *  Copyright:
 *     Christian Schulte, 2004
 *
 *  Last modified:
 *     $Date: 2006-08-04 16:05:50 +0200 (Fri, 04 Aug 2006) $ by $Author: schulte $
 *     $Revision: 3515 $
 *
 *  This file is part of Gecode, the generic constraint
 *  development environment:
 *     http://www.gecode.org
 *
 *  See the file "LICENSE" for information on usage and
 *  redistribution of this file, and for a
 *     DISCLAIMER OF ALL WARRANTIES.
 *
 */

namespace Gecode { namespace Iter { namespace Ranges {

  class MinMax {
  protected:
    int mi;
    int ma;
    void finish(void);
  public:


    MinMax(void);
    MinMax(int min, int max);



    bool operator()(void) const;



    int min(void) const;
    int max(void) const;
    unsigned int width(void) const;
  };

  forceinline void
  MinMax::finish(void) {
    mi = 1; ma = 0;
  }

  forceinline
  MinMax::MinMax(void) {}

  forceinline
  MinMax::MinMax(int min, int max)
    : mi(min), ma(max) {}

  forceinline bool
  MinMax::operator()(void) const {
    return mi <= ma;
  }

  forceinline int
  MinMax::min(void) const {
    return mi;
  }
  forceinline int
  MinMax::max(void) const {
    return ma;
  }
  forceinline unsigned int
  MinMax::width(void) const {
    return ma-mi+1;
  }

}}}

// STATISTICS: iter-any