19 lines
524 B
C++
19 lines
524 B
C++
#include <Eigen/Dense>
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#include <iostream>
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using Eigen::MatrixXf;
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void copyUpperTriangularPart(MatrixXf& dst, const MatrixXf& src) {
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dst.triangularView<Eigen::Upper>() = src.triangularView<Eigen::Upper>();
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}
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int main() {
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MatrixXf m1 = MatrixXf::Ones(4, 4);
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MatrixXf m2 = MatrixXf::Random(4, 4);
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std::cout << "m2 before copy:" << std::endl;
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std::cout << m2 << std::endl << std::endl;
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copyUpperTriangularPart(m2, m1);
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std::cout << "m2 after copy:" << std::endl;
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std::cout << m2 << std::endl << std::endl;
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}
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