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Benoit Jacob 2011-02-01 07:51:55 -05:00
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commit 3eb74cf9fc
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test/zerosized.cpp Normal file
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// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2011 Benoit Jacob <jacob.benoit.1@gmail.com>
//
// Eigen is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 3 of the License, or (at your option) any later version.
//
// Alternatively, you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of
// the License, or (at your option) any later version.
//
// Eigen is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License or the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License and a copy of the GNU General Public License along with
// Eigen. If not, see <http://www.gnu.org/licenses/>.
#include "main.h"
template<typename MatrixType> void zeroSizedMatrix()
{
MatrixType t1;
if (MatrixType::SizeAtCompileTime == Dynamic)
{
if (MatrixType::RowsAtCompileTime == Dynamic)
VERIFY(t1.rows() == 0);
if (MatrixType::ColsAtCompileTime == Dynamic)
VERIFY(t1.cols() == 0);
if (MatrixType::RowsAtCompileTime == Dynamic && MatrixType::ColsAtCompileTime == Dynamic)
{
MatrixType t2(0, 0);
VERIFY(t2.rows() == 0);
VERIFY(t2.cols() == 0);
}
}
}
template<typename VectorType> void zeroSizedVector()
{
VectorType t1;
if (VectorType::SizeAtCompileTime == Dynamic)
{
VERIFY(t1.size() == 0);
VectorType t2(long(0)); // long disambiguates with 0-the-null-pointer (error with gcc 4.4)
VERIFY(t2.size() == 0);
}
}
void test_zerosized()
{
zeroSizedMatrix<Matrix2d>();
zeroSizedMatrix<Matrix3i>();
zeroSizedMatrix<Matrix<float, 2, Dynamic> >();
zeroSizedMatrix<MatrixXf>();
zeroSizedVector<Vector2d>();
zeroSizedVector<Vector3i>();
zeroSizedVector<VectorXf>();
}