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huangweifeng
2026-10-22 09:23:54 +08:00
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third_party/eigen/test/simplicial_cholesky.cpp
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// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2011 Gael Guennebaud <g.gael@free.fr>
//
// This Source Code Form is subject to the terms of the Mozilla
// Public License v. 2.0. If a copy of the MPL was not distributed
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
#include "sparse_solver.h"
template <typename T, typename I_, int flag>
void test_simplicial_cholesky_T() {
typedef SparseMatrix<T, flag, I_> SparseMatrixType;
SimplicialCholesky<SparseMatrixType, Lower> chol_colmajor_lower_amd;
SimplicialCholesky<SparseMatrixType, Upper> chol_colmajor_upper_amd;
SimplicialLLT<SparseMatrixType, Lower> llt_colmajor_lower_amd;
SimplicialLLT<SparseMatrixType, Upper> llt_colmajor_upper_amd;
SimplicialLDLT<SparseMatrixType, Lower> ldlt_colmajor_lower_amd;
SimplicialLDLT<SparseMatrixType, Upper> ldlt_colmajor_upper_amd;
SimplicialLDLT<SparseMatrixType, Lower, NaturalOrdering<I_> > ldlt_colmajor_lower_nat;
SimplicialLDLT<SparseMatrixType, Upper, NaturalOrdering<I_> > ldlt_colmajor_upper_nat;
SimplicialNonHermitianLLT<SparseMatrixType, Lower> nhllt_colmajor_lower_amd;
SimplicialNonHermitianLLT<SparseMatrixType, Upper> nhllt_colmajor_upper_amd;
SimplicialNonHermitianLDLT<SparseMatrixType, Lower> nhldlt_colmajor_lower_amd;
SimplicialNonHermitianLDLT<SparseMatrixType, Upper> nhldlt_colmajor_upper_amd;
SimplicialNonHermitianLDLT<SparseMatrixType, Lower, NaturalOrdering<I_> > nhldlt_colmajor_lower_nat;
SimplicialNonHermitianLDLT<SparseMatrixType, Upper, NaturalOrdering<I_> > nhldlt_colmajor_upper_nat;
check_sparse_spd_solving(chol_colmajor_lower_amd);
check_sparse_spd_solving(chol_colmajor_upper_amd);
check_sparse_spd_solving(llt_colmajor_lower_amd);
check_sparse_spd_solving(llt_colmajor_upper_amd);
check_sparse_spd_solving(ldlt_colmajor_lower_amd);
check_sparse_spd_solving(ldlt_colmajor_upper_amd);
check_sparse_nonhermitian_solving(nhllt_colmajor_lower_amd);
check_sparse_nonhermitian_solving(nhllt_colmajor_upper_amd);
check_sparse_nonhermitian_solving(nhldlt_colmajor_lower_amd);
check_sparse_nonhermitian_solving(nhldlt_colmajor_upper_amd);
check_sparse_spd_determinant(chol_colmajor_lower_amd);
check_sparse_spd_determinant(chol_colmajor_upper_amd);
check_sparse_spd_determinant(llt_colmajor_lower_amd);
check_sparse_spd_determinant(llt_colmajor_upper_amd);
check_sparse_spd_determinant(ldlt_colmajor_lower_amd);
check_sparse_spd_determinant(ldlt_colmajor_upper_amd);
check_sparse_nonhermitian_determinant(nhllt_colmajor_lower_amd);
check_sparse_nonhermitian_determinant(nhllt_colmajor_upper_amd);
check_sparse_nonhermitian_determinant(nhldlt_colmajor_lower_amd);
check_sparse_nonhermitian_determinant(nhldlt_colmajor_upper_amd);
check_sparse_spd_solving(ldlt_colmajor_lower_nat, (std::min)(300, EIGEN_TEST_MAX_SIZE), 1000);
check_sparse_spd_solving(ldlt_colmajor_upper_nat, (std::min)(300, EIGEN_TEST_MAX_SIZE), 1000);
check_sparse_nonhermitian_solving(nhldlt_colmajor_lower_nat, (std::min)(300, EIGEN_TEST_MAX_SIZE), 1000);
check_sparse_nonhermitian_solving(nhldlt_colmajor_upper_nat, (std::min)(300, EIGEN_TEST_MAX_SIZE), 1000);
}
EIGEN_DECLARE_TEST(simplicial_cholesky) {
CALL_SUBTEST_11((test_simplicial_cholesky_T<double, int, ColMajor>()));
CALL_SUBTEST_12((test_simplicial_cholesky_T<std::complex<double>, int, ColMajor>()));
CALL_SUBTEST_13((test_simplicial_cholesky_T<double, long int, ColMajor>()));
CALL_SUBTEST_21((test_simplicial_cholesky_T<double, int, RowMajor>()));
CALL_SUBTEST_22((test_simplicial_cholesky_T<std::complex<double>, int, RowMajor>()));
CALL_SUBTEST_23((test_simplicial_cholesky_T<double, long int, RowMajor>()));
}