N_Qubit_Decomposition_Cost_Function.h

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/*
Created on Fri Jun 26 14:13:26 2020
Copyright (C) 2020 Peter Rakyta, Ph.D.

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
(at your option) 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/.

@author: Peter Rakyta, Ph.D.
*/
#ifndef N_Qubit_Decomposition_Cost_Function_H
#define N_Qubit_Decomposition_Cost_Function_H

#include "qgd/common.h"


double get_cost_function(Matrix matrix);



class functor_cost_fnc {

protected:

    Matrix matrix;
    QGD_Complex16* data;
    tbb::combinable<double>* partial_cost_functions;

public:

functor_cost_fnc( Matrix matrix_in,  tbb::combinable<double>* partial_cost_functions_in );

void operator()( tbb::blocked_range<size_t> r ) const;

};


#endif