convolutionmap.h

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//
// APFEL++ 2017
//
// Author: Valerio Bertone: valerio.bertone@cern.ch
//
 
#pragma once
 
#include "apfel/matrix.h"
 
#include <map>
#include <string>
#include <iostream>
 
namespace apfel
{
  class ConvolutionMap
  {
  public:
    struct rule
    {
      int    operand;
      int    object;
      double coefficient;
      bool   operator == (rule const& r) const
      {
        if (r.operand     != operand)     return false;
        if (r.object      != object)      return false;
        if (r.coefficient != coefficient) return false;
        return true;
      }
    };
 
    ConvolutionMap(std::string const& name);
 
 
    void SetRules(std::map<int, std::vector<rule>> const& rules)  { _rules = rules; }
 
 
    std::string const& GetName() const { return _name; }
 
    std::map<int, std::vector<rule>> const& GetRules() const { return _rules; }
 
    matrix<std::vector<double>> const GetRuleMatrix() const;
 
    matrix<std::vector<int>> const GetRuleIndices() const;
 
    void Print() const { std::cout << *this << std::endl; }
  protected:
    std::map<int, std::vector<rule>> _rules; 
    std::string                      _name;  
 
    friend std::ostream& operator << (std::ostream& os, ConvolutionMap const& cm);
  };
 
  std::ostream& operator << (std::ostream& os, ConvolutionMap const& cm);
}