1 // This file is part of Eigen, a lightweight C++ template library
2 // for linear algebra.
3 //
4 // Copyright (C) 2015 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 using internal::is_same_dense;
13
test_is_same_dense()14 void test_is_same_dense()
15 {
16 typedef Matrix<double,Dynamic,Dynamic,ColMajor> ColMatrixXd;
17 ColMatrixXd m1(10,10);
18 Ref<ColMatrixXd> ref_m1(m1);
19 Ref<const ColMatrixXd> const_ref_m1(m1);
20 VERIFY(is_same_dense(m1,m1));
21 VERIFY(is_same_dense(m1,ref_m1));
22 VERIFY(is_same_dense(const_ref_m1,m1));
23 VERIFY(is_same_dense(const_ref_m1,ref_m1));
24
25 VERIFY(is_same_dense(m1.block(0,0,m1.rows(),m1.cols()),m1));
26 VERIFY(!is_same_dense(m1.row(0),m1.col(0)));
27
28 Ref<const ColMatrixXd> const_ref_m1_row(m1.row(1));
29 VERIFY(!is_same_dense(m1.row(1),const_ref_m1_row));
30
31 Ref<const ColMatrixXd> const_ref_m1_col(m1.col(1));
32 VERIFY(is_same_dense(m1.col(1),const_ref_m1_col));
33 }
34