68 lines
1.3 KiB
C++
68 lines
1.3 KiB
C++
#include <fstream>
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#include <cstring>
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#include <iostream>
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#include <iomanip>
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#include <vector>
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#include "eskow.hpp"
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using namespace std;
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double Hartmann_Matrix[6][6] = {
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{ 14.8253, -6.4243, 7.8746, -1.2498, 10.2733, 10.2733 },
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{ -6.4243, 15.1024, -1.1155, -0.2761, -8.2117, -8.2117 },
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{ 7.8746, -1.1155, 51.8519, -23.3482, 12.5902, 12.5902 },
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{ -1.2498, -0.2761, -23.3482, 22.7962, -9.8958, -9.8958 },
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{ 10.2733, -8.2117, 12.5902, -9.8958, 21.0656, 21.0656 },
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{ 10.2733, -8.2117, 12.5902, -9.8958, 21.0656, 21.0656 }
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};
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struct MatrixOp
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{
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vector<double> M;
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int N;
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double& operator()(int i, int j)
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{
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return M[i*N + j];
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}
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};
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int main(int argc, char **argv)
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{
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MatrixOp M;
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double norm_E;
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ifstream fi(argv[1]);
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ofstream f("eskowed.txt");
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CholeskyEskow<double,MatrixOp> chol;
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fi >> M.N;
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M.M.resize(M.N*M.N);
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for (int i = 0; i < M.N; i++)
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{
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for (int j = 0; j < M.N; j++)
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{
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fi >> M(i,j);
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if (j > i)
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M(i,j) =0;
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}
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}
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chol.cholesky(M, M.N, norm_E);
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cout << "norm_E = " << norm_E << endl;
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for (int i = 0; i < M.N; i++)
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{
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for (int j = 0; j < M.N; j++)
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{
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if (j > i)
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f << "0 ";
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else
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f << setprecision(25) << M(i,j) << " ";
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}
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f << endl;
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}
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return 0;
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}
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