CoinRational.hpp

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// Authors: Matthew Saltzman and Ted Ralphs
// Copyright 2015, Matthew Saltzman and Ted Ralphs
// Licensed under the Eclipse Public License 1.0

#ifndef CoinRational_H
#define CoinRational_H

#include <cmath>

//Small class for rational numbers
class CoinRational
{

public :
   long getDenominator() { return denominator_; }
   long getNumerator() { return numerator_; }

   CoinRational(): 
      numerator_(0),
      denominator_(1)
   {};
   
   CoinRational(long n, long d):
      numerator_(n),
      denominator_(d)
   {};

   CoinRational(double val, double maxdelta, long maxdnom)
   {
      if (!nearestRational_(val, maxdelta, maxdnom)){
         numerator_ = 0;
         denominator_ = 1;
      }     
   };

private :

   long numerator_;
   long denominator_;
     
   bool nearestRational_(double val, double maxdelta, long maxdnom);
};

#endif