1 // This file is triangularView of Eigen, a lightweight C++ template library
2 // for linear algebra.
3 //
4 // Copyright (C) 2010 Gael Guennebaud <gael.guennebaud@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 #include "main.h"
11
12 // This file tests the basic selfadjointView API,
13 // the related products and decompositions are tested in specific files.
14
selfadjoint(const MatrixType & m)15 template<typename MatrixType> void selfadjoint(const MatrixType& m)
16 {
17 typedef typename MatrixType::Index Index;
18 typedef typename MatrixType::Scalar Scalar;
19
20 Index rows = m.rows();
21 Index cols = m.cols();
22
23 MatrixType m1 = MatrixType::Random(rows, cols),
24 m3(rows, cols);
25
26 m1.diagonal() = m1.diagonal().real().template cast<Scalar>();
27
28 // check selfadjoint to dense
29 m3 = m1.template selfadjointView<Upper>();
30 VERIFY_IS_APPROX(MatrixType(m3.template triangularView<Upper>()), MatrixType(m1.template triangularView<Upper>()));
31 VERIFY_IS_APPROX(m3, m3.adjoint());
32
33
34 m3 = m1.template selfadjointView<Lower>();
35 VERIFY_IS_APPROX(MatrixType(m3.template triangularView<Lower>()), MatrixType(m1.template triangularView<Lower>()));
36 VERIFY_IS_APPROX(m3, m3.adjoint());
37 }
38
bug_159()39 void bug_159()
40 {
41 Matrix3d m = Matrix3d::Random().selfadjointView<Lower>();
42 EIGEN_UNUSED_VARIABLE(m)
43 }
44
test_selfadjoint()45 void test_selfadjoint()
46 {
47 for(int i = 0; i < g_repeat ; i++)
48 {
49 int s = internal::random<int>(1,EIGEN_TEST_MAX_SIZE);
50
51 CALL_SUBTEST_1( selfadjoint(Matrix<float, 1, 1>()) );
52 CALL_SUBTEST_2( selfadjoint(Matrix<float, 2, 2>()) );
53 CALL_SUBTEST_3( selfadjoint(Matrix3cf()) );
54 CALL_SUBTEST_4( selfadjoint(MatrixXcd(s,s)) );
55 CALL_SUBTEST_5( selfadjoint(Matrix<float,Dynamic,Dynamic,RowMajor>(s, s)) );
56
57 TEST_SET_BUT_UNUSED_VARIABLE(s)
58 }
59
60 CALL_SUBTEST_1( bug_159() );
61 }
62