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
12 #include "main.h"
13
eigen2support(const MatrixType & m)14 template<typename MatrixType> void eigen2support(const MatrixType& m)
15 {
16 typedef typename MatrixType::Index Index;
17 typedef typename MatrixType::Scalar Scalar;
18
19 Index rows = m.rows();
20 Index cols = m.cols();
21
22 MatrixType m1 = MatrixType::Random(rows, cols),
23 m3(rows, cols);
24
25 Scalar s1 = internal::random<Scalar>(),
26 s2 = internal::random<Scalar>();
27
28 // scalar addition
29 VERIFY_IS_APPROX(m1.cwise() + s1, s1 + m1.cwise());
30 VERIFY_IS_APPROX(m1.cwise() + s1, MatrixType::Constant(rows,cols,s1) + m1);
31 VERIFY_IS_APPROX((m1*Scalar(2)).cwise() - s2, (m1+m1) - MatrixType::Constant(rows,cols,s2) );
32 m3 = m1;
33 m3.cwise() += s2;
34 VERIFY_IS_APPROX(m3, m1.cwise() + s2);
35 m3 = m1;
36 m3.cwise() -= s1;
37 VERIFY_IS_APPROX(m3, m1.cwise() - s1);
38
39 VERIFY_IS_EQUAL((m1.corner(TopLeft,1,1)), (m1.block(0,0,1,1)));
40 VERIFY_IS_EQUAL((m1.template corner<1,1>(TopLeft)), (m1.template block<1,1>(0,0)));
41 VERIFY_IS_EQUAL((m1.col(0).start(1)), (m1.col(0).segment(0,1)));
42 VERIFY_IS_EQUAL((m1.col(0).template start<1>()), (m1.col(0).segment(0,1)));
43 VERIFY_IS_EQUAL((m1.col(0).end(1)), (m1.col(0).segment(rows-1,1)));
44 VERIFY_IS_EQUAL((m1.col(0).template end<1>()), (m1.col(0).segment(rows-1,1)));
45
46 using std::cos;
47 using numext::real;
48 using numext::abs2;
49 VERIFY_IS_EQUAL(ei_cos(s1), cos(s1));
50 VERIFY_IS_EQUAL(ei_real(s1), real(s1));
51 VERIFY_IS_EQUAL(ei_abs2(s1), abs2(s1));
52
53 m1.minor(0,0);
54 }
55
test_eigen2support()56 void test_eigen2support()
57 {
58 for(int i = 0; i < g_repeat; i++) {
59 CALL_SUBTEST_1( eigen2support(Matrix<double,1,1>()) );
60 CALL_SUBTEST_2( eigen2support(MatrixXd(1,1)) );
61 CALL_SUBTEST_4( eigen2support(Matrix3f()) );
62 CALL_SUBTEST_5( eigen2support(Matrix4d()) );
63 CALL_SUBTEST_2( eigen2support(MatrixXf(200,200)) );
64 CALL_SUBTEST_6( eigen2support(MatrixXcd(100,100)) );
65 }
66 }
67