gtsam
3rdparty
Eigen
unsupported
test
minres.cpp
Go to the documentation of this file.
1
// This file is part of Eigen, a lightweight C++ template library
2
// for linear algebra.
3
//
4
// Copyright (C) 2012 Giacomo Po <gpo@ucla.edu>
5
// Copyright (C) 2011 Gael Guennebaud <g.gael@free.fr>
6
//
7
// This Source Code Form is subject to the terms of the Mozilla
8
// Public License v. 2.0. If a copy of the MPL was not distributed
9
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
10
#include <cmath>
11
12
#include "../../test/sparse_solver.h"
13
#include <Eigen/IterativeSolvers>
14
15
template
<
typename
T>
void
test_minres_T
()
16
{
17
// Identity preconditioner
18
MINRES<SparseMatrix<T>
,
Lower
,
IdentityPreconditioner
> minres_colmajor_lower_I;
19
MINRES<SparseMatrix<T>
,
Upper
,
IdentityPreconditioner
> minres_colmajor_upper_I;
20
21
// Diagonal preconditioner
22
MINRES<SparseMatrix<T>
,
Lower
,
DiagonalPreconditioner<T>
> minres_colmajor_lower_diag;
23
MINRES<SparseMatrix<T>
,
Upper
,
DiagonalPreconditioner<T>
> minres_colmajor_upper_diag;
24
MINRES<SparseMatrix<T>
, Lower|
Upper
,
DiagonalPreconditioner<T>
> minres_colmajor_uplo_diag;
25
26
// call tests for SPD matrix
27
CALL_SUBTEST
(
check_sparse_spd_solving
(minres_colmajor_lower_I) );
28
CALL_SUBTEST
(
check_sparse_spd_solving
(minres_colmajor_upper_I) );
29
30
CALL_SUBTEST
(
check_sparse_spd_solving
(minres_colmajor_lower_diag) );
31
CALL_SUBTEST
(
check_sparse_spd_solving
(minres_colmajor_upper_diag) );
32
CALL_SUBTEST
(
check_sparse_spd_solving
(minres_colmajor_uplo_diag) );
33
34
// TO DO: symmetric semi-definite matrix
35
// TO DO: symmetric indefinite matrix
36
37
}
38
39
EIGEN_DECLARE_TEST
(
minres
)
40
{
41
CALL_SUBTEST_1
(test_minres_T<double>());
42
// CALL_SUBTEST_2(test_minres_T<std::compex<double> >());
43
44
}
Eigen::DiagonalPreconditioner
A preconditioner based on the digonal entries.
Definition:
BasicPreconditioners.h:36
Eigen::Lower
Definition:
Constants.h:209
CALL_SUBTEST_1
#define CALL_SUBTEST_1(FUNC)
Definition:
split_test_helper.h:4
Eigen::MINRES
A minimal residual solver for sparse symmetric problems.
Definition:
MINRES.h:143
Eigen::Upper
Definition:
Constants.h:211
CALL_SUBTEST
#define CALL_SUBTEST(FUNC)
Definition:
main.h:399
Eigen::IdentityPreconditioner
A naive preconditioner which approximates any matrix as the identity matrix.
Definition:
BasicPreconditioners.h:200
test_minres_T
void test_minres_T()
Definition:
minres.cpp:15
EIGEN_DECLARE_TEST
EIGEN_DECLARE_TEST(minres)
Definition:
minres.cpp:39
Eigen::internal::minres
EIGEN_DONT_INLINE void minres(const MatrixType &mat, const Rhs &rhs, Dest &x, const Preconditioner &precond, Index &iters, typename Dest::RealScalar &tol_error)
Definition:
MINRES.h:32
check_sparse_spd_solving
void check_sparse_spd_solving(Solver &solver, int maxSize=(std::min)(300, EIGEN_TEST_MAX_SIZE), int maxRealWorldSize=100000)
Definition:
sparse_solver.h:404
gtsam
Author(s):
autogenerated on Tue Jul 4 2023 02:34:55