86 lines
3.0 KiB
C++
86 lines
3.0 KiB
C++
/********************************************************
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* ██████╗ ██████╗████████╗██╗
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* ██╔════╝ ██╔════╝╚══██╔══╝██║
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* ██║ ███╗██║ ██║ ██║
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* ██║ ██║██║ ██║ ██║
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* ╚██████╔╝╚██████╗ ██║ ███████╗
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* ╚═════╝ ╚═════╝ ╚═╝ ╚══════╝
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* Geophysical Computational Tools & Library (GCTL)
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*
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* Copyright (c) 2022 Yi Zhang (yizhang-geo@zju.edu.cn)
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*
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* GCTL is distributed under a dual licensing scheme. You can redistribute
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* it and/or modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation, either version 2
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* of the License, or (at your option) any later version. You should have
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* received a copy of the GNU Lesser General Public License along with this
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* program. If not, see <http://www.gnu.org/licenses/>.
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*
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* If the terms and conditions of the LGPL v.2. would prevent you from using
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* the GCTL, please consider the option to obtain a commercial license for a
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* fee. These licenses are offered by the GCTL's original author. As a rule,
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* licenses are provided "as-is", unlimited in time for a one time fee. Please
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* send corresponding requests to: yizhang-geo@zju.edu.cn. Please do not forget
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* to include some description of your company and the realm of its activities.
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* Also add information on how to contact you by electronic and paper mail.
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******************************************************/
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#include "gctl/core.h"
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int main(int argc, char const *argv[])
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{
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gctl::spmat<double> M(10, 10, 0.0);
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M.insert(3, 3, 1.3);
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M.insert(8, 1, 2.8);
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M.insert(2, 6, 4.2);
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M.insert(5, 6, 4.6);
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M.insert(2, 3, 7.2);
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M.insert(5, 9, 2.2);
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M.insert(2, 9, 5.4);
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M.insert(7, 4, 8.5);
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M.insert(0, 4, 0.0);
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M.insert(7, 6, 0.0);
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M.show_matrix();
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M.show_list();
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std::cout << "M.at(4, 4) = " << M.at(4, 4) << std::endl;
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std::cout << "M.at(5, 9) = " << M.at(5, 9) << std::endl;
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gctl::spmat<double> N = M; // 等效语句 gctl::spmat<double> N(M);
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N.remove(2, 3);
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N.remove(3, 3);
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N.show_matrix();
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for (int i = 0; i < N.row_size(); i++)
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{
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std::cout << "row size " << i << " = " << N.ele_size(i) << std::endl;
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}
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for (int i = 0; i < N.col_size(); i++)
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{
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std::cout << "col size " << i << " = " << N.ele_size(i, gctl::ColMajor) << std::endl;
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}
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N.minus_sparse_matrix(M);
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N.show_matrix();
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for (int i = 0; i < N.row_size(); i++)
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{
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std::cout << "row size " << i << " = " << N.ele_size(i) << std::endl;
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}
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for (int i = 0; i < N.col_size(); i++)
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{
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std::cout << "col size " << i << " = " << N.ele_size(i, gctl::ColMajor) << std::endl;
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}
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//for (int i = 0; i < N.col_size(); i++)
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//{
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// std::cout << "col size " << i << " = " << N.ele_size(i, gctl::SpMatColMajor) << std::endl;
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//}
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//N.show_full();
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return 0;
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} |