Graph.h

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/*
 *  CepGen: a central exclusive processes event generator
 *  Copyright (C) 2013-2022  Laurent Forthomme
 *
 *  This program 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
 *  any later version.
 *
 *  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef CepGen_Utils_Graph_h
#define CepGen_Utils_Graph_h
 
#include <set>
 
#include "CepGen/Utils/Drawable.h"
 
namespace cepgen {
  namespace utils {
    class Graph1D final : public Drawable {
    public:
      explicit Graph1D(const std::string& name = "", const std::string& title = "");
 
      Graph1D& addPoint(double x, double y);
      Graph1D& addPoint(double x, double y, double ex, double ey);
      const axis_t& points() const { return values_; }
      double minimum() const;
      double maximum() const;
      double chi2(const Graph1D&) const;
 
      std::set<double> xCoords() const;
      const Value valueAt(double) const;
 
      bool isGraph1D() const override { return true; }
 
    private:
      axis_t values_;
    };
 
    class Graph2D final : public Drawable {
    public:
      explicit Graph2D(const std::string& name = "", const std::string& title = "");
 
      Graph2D& addPoint(double x, double y, double z);
      Graph2D& addPoint(double x, double y, double z, double ex, double ey, double ez);
      const dualaxis_t& points() const { return values_; }
      void dumpPoints(std::ostream&) const;
 
      std::set<double> xCoords() const;
      std::set<double> yCoords() const;
      const Value valueAt(double, double) const;
 
      bool isGraph2D() const override { return true; }
 
    private:
      dualaxis_t values_;
    };
  }  // namespace utils
}  // namespace cepgen
 
#endif