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bug #890, add a more general routine to check that two dense object reference to the same data

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Gael Guennebaud
2015-06-10 10:09:04 +02:00
parent e6832ce93d
commit 192bce2795
4 changed files with 45 additions and 1 deletions
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30
test/is_same_dense.cpp Normal file
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// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2015 Gael Guennebaud <gael.guennebaud@inria.fr>
//
// This Source Code Form is subject to the terms of the Mozilla
// Public License v. 2.0. If a copy of the MPL was not distributed
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
#include "main.h"
void test_is_same_dense()
{
MatrixXd m1(10,10);
Ref<MatrixXd> ref_m1(m1);
Ref<const MatrixXd> const_ref_m1(m1);
VERIFY(is_same_dense(m1,m1));
VERIFY(is_same_dense(m1,ref_m1));
VERIFY(is_same_dense(const_ref_m1,m1));
VERIFY(is_same_dense(const_ref_m1,ref_m1));
VERIFY(is_same_dense(m1.block(0,0,m1.rows(),m1.cols()),m1));
VERIFY(!is_same_dense(m1.row(0),m1.col(0)));
Ref<const MatrixXd> const_ref_m1_row(m1.row(1));
VERIFY(!is_same_dense(m1.row(1),const_ref_m1_row));
Ref<const MatrixXd> const_ref_m1_col(m1.col(1));
VERIFY(is_same_dense(m1.col(1),const_ref_m1_col));
}