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1 // This file is part of Eigen, a lightweight C++ template library
2 // for linear algebra.
3 //
4 // Copyright (C) 2012 Désiré Nuentsa-Wakam <desire.nuentsa_wakam@inria.fr>
5 //
6 // This Source Code Form is subject to the terms of the Mozilla
7 // Public License v. 2.0. If a copy of the MPL was not distributed
8 // with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
9 
10 // SparseLU solve does not accept column major matrices for the destination.
11 // However, as expected, the generic check_sparse_square_solving routines produces row-major
12 // rhs and destination matrices when compiled with EIGEN_DEFAULT_TO_ROW_MAJOR
13 
14 #ifdef EIGEN_DEFAULT_TO_ROW_MAJOR
15 #undef EIGEN_DEFAULT_TO_ROW_MAJOR
16 #endif
17 
18 #include "sparse_solver.h"
19 #include <Eigen/SparseLU>
20 #include <unsupported/Eigen/SparseExtra>
21 
test_sparselu_T()22 template<typename T> void test_sparselu_T()
23 {
24   SparseLU<SparseMatrix<T, ColMajor> /*, COLAMDOrdering<int>*/ > sparselu_colamd; // COLAMDOrdering is the default
25   SparseLU<SparseMatrix<T, ColMajor>, AMDOrdering<int> > sparselu_amd;
26   SparseLU<SparseMatrix<T, ColMajor, long int>, NaturalOrdering<long int> > sparselu_natural;
27 
28   check_sparse_square_solving(sparselu_colamd,  300, 100000, true);
29   check_sparse_square_solving(sparselu_amd,     300,  10000, true);
30   check_sparse_square_solving(sparselu_natural, 300,   2000, true);
31 
32   check_sparse_square_abs_determinant(sparselu_colamd);
33   check_sparse_square_abs_determinant(sparselu_amd);
34 
35   check_sparse_square_determinant(sparselu_colamd);
36   check_sparse_square_determinant(sparselu_amd);
37 }
38 
test_sparselu()39 void test_sparselu()
40 {
41   CALL_SUBTEST_1(test_sparselu_T<float>());
42   CALL_SUBTEST_2(test_sparselu_T<double>());
43   CALL_SUBTEST_3(test_sparselu_T<std::complex<float> >());
44   CALL_SUBTEST_4(test_sparselu_T<std::complex<double> >());
45 }
46