/*
 * HessianMatrix.hpp
 *
 *  Created on: Sep 15, 2011
 *      Author: heber
 */

#ifndef HESSIANMATRIX_HPP_
#define HESSIANMATRIX_HPP_

// include config.h
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "MatrixContainer.hpp"

class KeySetsContainer;

/** Represents a parsed hessian matrix (second derivatives).
 *
 */
class HessianMatrix : public MatrixContainer {
  public:
    HessianMatrix();
    //~HessianMatrix();
    bool ParseIndices(char *name);
    bool SumSubManyBodyTerms(class MatrixContainer &MatrixValues, class KeySetsContainer &KeySets, int Order);
    bool SumSubHessians(class HessianMatrix &Fragments, class KeySetsContainer &KeySets, int Order, double sign);
    bool ParseFragmentMatrix(const char *name, const char *prefix, std::string suffix, int skiplines, int skipcolumns);
  private:
    bool IsSymmetric;
};



#endif /* HESSIANMATRIX_HPP_ */