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huangweifeng
2026-10-22 09:23:54 +08:00
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third_party/eigen/test/cholmod_support.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/.
#define EIGEN_NO_DEBUG_SMALL_PRODUCT_BLOCKS
#include "sparse_solver.h"
#include <Eigen/CholmodSupport>
template <typename SparseType>
void test_cholmod_ST() {
CholmodDecomposition<SparseType, Lower> g_chol_colmajor_lower;
g_chol_colmajor_lower.setMode(CholmodSupernodalLLt);
CholmodDecomposition<SparseType, Upper> g_chol_colmajor_upper;
g_chol_colmajor_upper.setMode(CholmodSupernodalLLt);
CholmodDecomposition<SparseType, Lower> g_llt_colmajor_lower;
g_llt_colmajor_lower.setMode(CholmodSimplicialLLt);
CholmodDecomposition<SparseType, Upper> g_llt_colmajor_upper;
g_llt_colmajor_upper.setMode(CholmodSimplicialLLt);
CholmodDecomposition<SparseType, Lower> g_ldlt_colmajor_lower;
g_ldlt_colmajor_lower.setMode(CholmodLDLt);
CholmodDecomposition<SparseType, Upper> g_ldlt_colmajor_upper;
g_ldlt_colmajor_upper.setMode(CholmodLDLt);
CholmodSupernodalLLT<SparseType, Lower> chol_colmajor_lower;
CholmodSupernodalLLT<SparseType, Upper> chol_colmajor_upper;
CholmodSimplicialLLT<SparseType, Lower> llt_colmajor_lower;
CholmodSimplicialLLT<SparseType, Upper> llt_colmajor_upper;
CholmodSimplicialLDLT<SparseType, Lower> ldlt_colmajor_lower;
CholmodSimplicialLDLT<SparseType, Upper> ldlt_colmajor_upper;
check_sparse_spd_solving(g_chol_colmajor_lower);
check_sparse_spd_solving(g_chol_colmajor_upper);
check_sparse_spd_solving(g_llt_colmajor_lower);
check_sparse_spd_solving(g_llt_colmajor_upper);
check_sparse_spd_solving(g_ldlt_colmajor_lower);
check_sparse_spd_solving(g_ldlt_colmajor_upper);
check_sparse_spd_solving(chol_colmajor_lower);
check_sparse_spd_solving(chol_colmajor_upper);
check_sparse_spd_solving(llt_colmajor_lower);
check_sparse_spd_solving(llt_colmajor_upper);
check_sparse_spd_solving(ldlt_colmajor_lower);
check_sparse_spd_solving(ldlt_colmajor_upper);
check_sparse_spd_determinant(chol_colmajor_lower);
check_sparse_spd_determinant(chol_colmajor_upper);
check_sparse_spd_determinant(llt_colmajor_lower);
check_sparse_spd_determinant(llt_colmajor_upper);
check_sparse_spd_determinant(ldlt_colmajor_lower);
check_sparse_spd_determinant(ldlt_colmajor_upper);
check_sparse_zero_matrix(chol_colmajor_lower);
check_sparse_zero_matrix(chol_colmajor_upper);
check_sparse_zero_matrix(llt_colmajor_lower);
check_sparse_zero_matrix(llt_colmajor_upper);
check_sparse_zero_matrix(ldlt_colmajor_lower);
check_sparse_zero_matrix(ldlt_colmajor_upper);
}
template <typename T, int flags, typename IdxType>
void test_cholmod_T() {
test_cholmod_ST<SparseMatrix<T, flags, IdxType> >();
}
EIGEN_DECLARE_TEST(cholmod_support) {
CALL_SUBTEST_11((test_cholmod_T<double, ColMajor, int>()));
CALL_SUBTEST_12((test_cholmod_T<double, ColMajor, long>()));
CALL_SUBTEST_13((test_cholmod_T<double, RowMajor, int>()));
CALL_SUBTEST_14((test_cholmod_T<double, RowMajor, long>()));
CALL_SUBTEST_21((test_cholmod_T<std::complex<double>, ColMajor, int>()));
CALL_SUBTEST_22((test_cholmod_T<std::complex<double>, ColMajor, long>()));
// TODO complex row-major matrices do not work at the moment:
// CALL_SUBTEST_23( (test_cholmod_T<std::complex<double>, RowMajor, int >()) );
// CALL_SUBTEST_24( (test_cholmod_T<std::complex<double>, RowMajor, long>()) );
}