QMCFunctions.h

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//            QMcBeaver
//
//         Constructed by 
//
//     Michael Todd Feldmann 
//              and 
//   David Randall "Chip" Kent IV
//
// Copyright 2000.  All rights reserved.
//
// drkent@users.sourceforge.net mtfeldmann@users.sourceforge.net

#ifndef QMCFUNCTIONS_H
#define QMCFUNCTIONS_H

#include <iostream>
#include <sstream>

#include "QMCInput.h"
#include "QMCHartreeFock.h"
#include "QMCWalkerData.h"

using namespace std;

class QMCFunctions
{
public:
  QMCFunctions() {};

  QMCFunctions(QMCInput *input) : Input(input) {};
 
  QMCFunctions(const QMCFunctions & rhs ) {};

  virtual ~QMCFunctions() {};

  virtual void evaluate(Array2D<double> &X, QMCWalkerData & data) = 0;

  virtual void evaluate(Array1D<QMCWalkerData *> &walkerData, 
                Array1D<Array2D<double> * > &xData, int num) = 0;

  virtual void calculate_CorrelatedSampling(Array1D<QMCWalkerData *> &walkerData,
                                    Array1D<Array2D<double> * > &xData,
                                    int num){};

  void operator=(const QMCFunctions & rhs )
    {
      Input = rhs.Input;
      nalpha = rhs.nalpha;
      nbeta = rhs.nbeta;
    }

 protected:
  QMCInput *Input; 
 
  int nalpha, nbeta;
};

#endif

---