U3.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 U3_H
#define U3_H

#include "qgd/Operation.h"
#include "qgd/matrix.h"
#include <math.h>


class U3: public Operation {

protected:

   int* indexes_target_qubit_0;
   int* indexes_target_qubit_1;
   bool theta;
   bool phi;
   bool lambda;
   double* parameters;



public:
U3(int qbit_num_in, int target_qbit_in, bool theta_in, bool phi_in, bool lambda_in);

~U3();

Matrix get_matrix( const double* parameters );

int composite_u3_Theta_Phi_Lambda(const double* parameters, Matrix& U3_matrix);

int composite_u3_Phi_Lambda(const double* parameters, Matrix& U3_matrix);

int composite_u3_Theta_Lambda(const double* parameters, Matrix& U3_matrix);

int composite_u3_Theta_Phi(const double* parameters, Matrix& U3_matrix);

int composite_u3_Lambda(const double* parameters, Matrix& U3_matrix);

int composite_u3_Phi(const double* parameters, Matrix& U3_matrix);

int composite_u3_Theta(const double* parameters, Matrix& U3_matrix );


QGD_Complex16* composite_u3(double Theta, double Phi, double Lambda );


int composite_u3(double Theta, double Phi, double Lambda, Matrix& U3_matrix );

void determine_base_indices();

void set_qbit_num(int qbit_num_in);



void reorder_qubits( std::vector<int> qbit_list);

bool is_theta_parameter();

bool is_phi_parameter();

bool is_lambda_parameter();



Matrix calc_one_qubit_u3(double Theta, double Phi, double Lambda );


U3* clone();


void set_optimized_parameters(double Theta, double Phi, double Lambda );

void get_optimized_parameters(double *parameters_in );

};


#endif //U3