#ifndef __JROOT__JGRAPH__
#define __JROOT__JGRAPH__

#include <vector>

#include "TGraph.h"

/**
 * \author mdejong
 */

namespace JROOT {}
namespace JPP { using namespace JROOT; }

namespace JROOT {


  /**
   * Data structure for graph data.
   */
  struct JGraph_t {
    /**
     * Put data.
     *
     * \param  x              abscissa value
     * \param  y              ordinate value
     */
    void put(const Double_t x, const Double_t y)
    {
      X.push_back(x);
      Y.push_back(y);
    }

    std::vector<Double_t> X;  //!< abscissa values
    std::vector<Double_t> Y;  //!< ordinate values
  };


  /**
   * Auxiliary data structure to build TGraph.
   */
  struct JGraph : 
    public TGraph
  {
    /**
     * Constructor.
     *
     * \param  graph          graph data
     * \param  name           graph name
     */
    JGraph(const JGraph_t& graph, const char* name) :
      TGraph(graph.X.size(),
             graph.X.data(),
             graph.Y.data())
    {
      SetName(name);
    }
  };
}

#endif