source: pacpussensors/trunk/Vislab/lib3dv/eigen/test/eigen2support.cpp@ 138

Last change on this file since 138 was 136, checked in by ldecherf, 8 years ago

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1// This file is part of Eigen, a lightweight C++ template library
2// for linear algebra.
3//
4// Copyright (C) 2009 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#define EIGEN2_SUPPORT
11#define EIGEN_NO_EIGEN2_DEPRECATED_WARNING
12
13#include "main.h"
14
15template<typename MatrixType> void eigen2support(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 Scalar s1 = internal::random<Scalar>(),
27 s2 = internal::random<Scalar>();
28
29 // scalar addition
30 VERIFY_IS_APPROX(m1.cwise() + s1, s1 + m1.cwise());
31 VERIFY_IS_APPROX(m1.cwise() + s1, MatrixType::Constant(rows,cols,s1) + m1);
32 VERIFY_IS_APPROX((m1*Scalar(2)).cwise() - s2, (m1+m1) - MatrixType::Constant(rows,cols,s2) );
33 m3 = m1;
34 m3.cwise() += s2;
35 VERIFY_IS_APPROX(m3, m1.cwise() + s2);
36 m3 = m1;
37 m3.cwise() -= s1;
38 VERIFY_IS_APPROX(m3, m1.cwise() - s1);
39
40 VERIFY_IS_EQUAL((m1.corner(TopLeft,1,1)), (m1.block(0,0,1,1)));
41 VERIFY_IS_EQUAL((m1.template corner<1,1>(TopLeft)), (m1.template block<1,1>(0,0)));
42 VERIFY_IS_EQUAL((m1.col(0).start(1)), (m1.col(0).segment(0,1)));
43 VERIFY_IS_EQUAL((m1.col(0).template start<1>()), (m1.col(0).segment(0,1)));
44 VERIFY_IS_EQUAL((m1.col(0).end(1)), (m1.col(0).segment(rows-1,1)));
45 VERIFY_IS_EQUAL((m1.col(0).template end<1>()), (m1.col(0).segment(rows-1,1)));
46
47 using std::cos;
48 using numext::real;
49 using numext::abs2;
50 VERIFY_IS_EQUAL(ei_cos(s1), cos(s1));
51 VERIFY_IS_EQUAL(ei_real(s1), real(s1));
52 VERIFY_IS_EQUAL(ei_abs2(s1), abs2(s1));
53
54 m1.minor(0,0);
55}
56
57void test_eigen2support()
58{
59 for(int i = 0; i < g_repeat; i++) {
60 CALL_SUBTEST_1( eigen2support(Matrix<double,1,1>()) );
61 CALL_SUBTEST_2( eigen2support(MatrixXd(1,1)) );
62 CALL_SUBTEST_4( eigen2support(Matrix3f()) );
63 CALL_SUBTEST_5( eigen2support(Matrix4d()) );
64 CALL_SUBTEST_2( eigen2support(MatrixXf(200,200)) );
65 CALL_SUBTEST_6( eigen2support(MatrixXcd(100,100)) );
66 }
67}
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