eigen/test/map.cpp
2009-10-28 19:06:45 -04:00

97 lines
3.6 KiB
C++

// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2006-2008 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 VectorType> void map_class(const VectorType& m)
{
typedef typename VectorType::Scalar Scalar;
int size = m.size();
// test Map.h
Scalar* array1 = ei_aligned_new<Scalar>(size);
Scalar* array2 = ei_aligned_new<Scalar>(size);
Scalar* array3 = new Scalar[size+1];
Scalar* array3unaligned = size_t(array3)%16 == 0 ? array3+1 : array3;
Map<VectorType, Aligned>(array1, size) = VectorType::Random(size);
Map<VectorType, Aligned>(array2, size) = Map<VectorType,Aligned>(array1, size);
Map<VectorType>(array3unaligned, size) = Map<VectorType>(array1, size);
VectorType ma1 = Map<VectorType, Aligned>(array1, size);
VectorType ma2 = Map<VectorType, Aligned>(array2, size);
VectorType ma3 = Map<VectorType>(array3unaligned, size);
VERIFY_IS_APPROX(ma1, ma2);
VERIFY_IS_APPROX(ma1, ma3);
VERIFY_RAISES_ASSERT((Map<VectorType,Aligned>(array3unaligned, size)));
ei_aligned_delete(array1, size);
ei_aligned_delete(array2, size);
delete[] array3;
}
template<typename VectorType> void map_static_methods(const VectorType& m)
{
typedef typename VectorType::Scalar Scalar;
int size = m.size();
// test Map.h
Scalar* array1 = ei_aligned_new<Scalar>(size);
Scalar* array2 = ei_aligned_new<Scalar>(size);
Scalar* array3 = new Scalar[size+1];
Scalar* array3unaligned = size_t(array3)%16 == 0 ? array3+1 : array3;
VectorType::MapAligned(array1, size) = VectorType::Random(size);
VectorType::Map(array2, size) = VectorType::Map(array1, size);
VectorType::Map(array3unaligned, size) = VectorType::Map(array1, size);
VectorType ma1 = VectorType::Map(array1, size);
VectorType ma2 = VectorType::MapAligned(array2, size);
VectorType ma3 = VectorType::Map(array3unaligned, size);
VERIFY_IS_APPROX(ma1, ma2);
VERIFY_IS_APPROX(ma1, ma3);
ei_aligned_delete(array1, size);
ei_aligned_delete(array2, size);
delete[] array3;
}
void test_map()
{
for(int i = 0; i < g_repeat; i++) {
CALL_SUBTEST_1( map_class(Matrix<float, 1, 1>()) );
CALL_SUBTEST_2( map_class(Vector4d()) );
CALL_SUBTEST_3( map_class(RowVector4f()) );
CALL_SUBTEST_4( map_class(VectorXcf(8)) );
CALL_SUBTEST_5( map_class(VectorXi(12)) );
CALL_SUBTEST_6( map_static_methods(Matrix<double, 1, 1>()) );
CALL_SUBTEST_7( map_static_methods(Vector3f()) );
CALL_SUBTEST_8( map_static_methods(RowVector3d()) );
CALL_SUBTEST_9( map_static_methods(VectorXcd(8)) );
CALL_SUBTEST_10( map_static_methods(VectorXf(12)) );
}
}