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1 | #include <Eigen/Dense>
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2 | #include <iostream>
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3 |
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4 | using namespace Eigen;
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5 |
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6 | void copyUpperTriangularPart(MatrixXf& dst, const MatrixXf& src)
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7 | {
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8 | dst.triangularView<Upper>() = src.triangularView<Upper>();
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9 | }
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10 |
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11 | int main()
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12 | {
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13 | MatrixXf m1 = MatrixXf::Ones(4,4);
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14 | MatrixXf m2 = MatrixXf::Random(4,4);
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15 | std::cout << "m2 before copy:" << std::endl;
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16 | std::cout << m2 << std::endl << std::endl;
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17 | copyUpperTriangularPart(m2, m1);
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18 | std::cout << "m2 after copy:" << std::endl;
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19 | std::cout << m2 << std::endl << std::endl;
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20 | }
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