eigen/test/dense_storage.cpp
Hauke Heibel e4acd6e2fd Added copy constructor and assignment to DenseStorage.
Required by the standard even when its not used but elided.
Added a test for DenseStorage copying and assignment.
2013-08-10 19:13:46 +02:00

92 lines
3.3 KiB
C++

// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2010 Hauke Heibel <hauke.heibel@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"
#include <Eigen/Core>
template <typename T, int Rows, int Cols>
void dense_storage_copy()
{
static const int Size = ((Rows==Dynamic || Cols==Dynamic) ? Dynamic : Rows*Cols);
typedef DenseStorage<T,Size, Rows,Cols, 0> DenseStorageType;
const int rows = (Rows==Dynamic) ? 4 : Rows;
const int cols = (Cols==Dynamic) ? 3 : Cols;
const int size = rows*cols;
DenseStorageType reference(size, rows, cols);
T* raw_reference = reference.data();
for (int i=0; i<size; ++i)
raw_reference[i] = static_cast<T>(i);
DenseStorageType copied_reference(reference);
const T* raw_copied_reference = copied_reference.data();
for (int i=0; i<size; ++i)
VERIFY_IS_EQUAL(raw_reference[i], raw_copied_reference[i]);
}
template <typename T, int Rows, int Cols>
void dense_storage_assignment()
{
static const int Size = ((Rows==Dynamic || Cols==Dynamic) ? Dynamic : Rows*Cols);
typedef DenseStorage<T,Size, Rows,Cols, 0> DenseStorageType;
const int rows = (Rows==Dynamic) ? 4 : Rows;
const int cols = (Cols==Dynamic) ? 3 : Cols;
const int size = rows*cols;
DenseStorageType reference(size, rows, cols);
T* raw_reference = reference.data();
for (int i=0; i<size; ++i)
raw_reference[i] = static_cast<T>(i);
DenseStorageType copied_reference;
copied_reference = reference;
const T* raw_copied_reference = copied_reference.data();
for (int i=0; i<size; ++i)
VERIFY_IS_EQUAL(raw_reference[i], raw_copied_reference[i]);
}
void test_dense_storage()
{
dense_storage_copy<int,Dynamic,Dynamic>();
dense_storage_copy<int,Dynamic,3>();
dense_storage_copy<int,4,Dynamic>();
dense_storage_copy<int,4,3>();
dense_storage_copy<float,Dynamic,Dynamic>();
dense_storage_copy<float,Dynamic,3>();
dense_storage_copy<float,4,Dynamic>();
dense_storage_copy<float,4,3>();
dense_storage_assignment<int,Dynamic,Dynamic>();
dense_storage_assignment<int,Dynamic,3>();
dense_storage_assignment<int,4,Dynamic>();
dense_storage_assignment<int,4,3>();
dense_storage_assignment<float,Dynamic,Dynamic>();
dense_storage_assignment<float,Dynamic,3>();
dense_storage_assignment<float,4,Dynamic>();
dense_storage_assignment<float,4,3>();
}