Sub_Matrix_Decomposition_Cost_Function.h

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

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

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


#include "common.h"
#include <tbb/combinable.h>
#include "logging.h"


double get_submatrix_cost_function(Matrix& matrix);




class functor_extract_submatrices : public logging {

protected:

    Matrix matrix;
    std::vector<Matrix, tbb::cache_aligned_allocator<Matrix>>* submatrices;

public:

functor_extract_submatrices( Matrix& matrix_in, std::vector<Matrix, tbb::cache_aligned_allocator<Matrix>>* submatrices_in );

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

};




class functor_submtx_cost_fnc : public logging {

protected:

    int prod_num;
    std::vector<Matrix, tbb::cache_aligned_allocator<Matrix>>* submatrices;
    tbb::combinable<double>* prod_cost_functions;

public:

functor_submtx_cost_fnc( std::vector<Matrix, tbb::cache_aligned_allocator<Matrix>>* submatrices_in, tbb::combinable<double>* prod_cost_functions_in, int prod_num_in );

void operator()( int product_idx ) const;

};








#endif