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23 lines
717 B
23 lines
717 B
1 year ago
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#include <test_common.h>
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#include <igl/diag.h>
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TEST_CASE("diag: dense-vector-to-sparse", "[igl]")
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{
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const Eigen::VectorXd v = (Eigen::VectorXd(3)<<1,2,3).finished();
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Eigen::SparseMatrix<double> X;
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igl::diag(v,X);
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const Eigen::MatrixXd X_exact =
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(Eigen::MatrixXd(3,3)<<1,0,0,0,2,0,0,0,3).finished();
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test_common::assert_eq(Eigen::MatrixXd(X),X_exact);
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}
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TEST_CASE("diag: sparse-vector-to-sparse", "[igl]")
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{
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const Eigen::SparseVector<double> v = (Eigen::VectorXd(3)<<1,0,3).finished().sparseView();
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Eigen::SparseMatrix<double> X;
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igl::diag(v,X);
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const Eigen::MatrixXd X_exact =
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(Eigen::MatrixXd(3,3)<<1,0,0,0,0,0,0,0,3).finished();
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test_common::assert_eq(Eigen::MatrixXd(X),X_exact);
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}
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