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Based on code + help from Alex Stapleton:

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*Add Eigen/StdVector header.
Including it #includes<vector> and "Core" and generates a partial
specialization of std::vector<T> for T=Eigen::Matrix<...>
that will work even with vectorizable fixed-size Eigen types
(working around a design issue in the c++ STL)
*Add unit-test

CCMAIL: alex.stapleton@gmail.com
This commit is contained in:
Benoit Jacob
2009-01-09 23:26:45 +00:00
parent 5052d3659b
commit 335d3bcf05
5 changed files with 143 additions and 1 deletions
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64
test/stdvector.cpp Normal file
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// This file is part of Eigen, a lightweight C++ template library
// for linear algebra. Eigen itself is part of the KDE project.
//
// Copyright (C) 2008 Gael Guennebaud <g.gael@free.fr>
//
// 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/StdVector>
template<typename MatrixType>
void check_stdvector_fixedsize()
{
MatrixType x = MatrixType::Random(), y = MatrixType::Random();
std::vector<MatrixType> v(10), w(20, y);
v[5] = x;
w[6] = v[5];
VERIFY_IS_APPROX(w[6], v[5]);
v = w;
for(int i = 0; i < 20; i++)
{
VERIFY_IS_APPROX(w[i], v[i]);
}
v.resize(21);
v[20] = x;
VERIFY_IS_APPROX(v[20], x);
v.resize(22,y);
VERIFY_IS_APPROX(v[21], y);
v.push_back(x);
VERIFY_IS_APPROX(v[22], x);
}
void test_stdvector()
{
// some non vectorizable fixed sizes
CALL_SUBTEST(check_stdvector_fixedsize<Vector2f>());
CALL_SUBTEST(check_stdvector_fixedsize<Matrix3f>());
CALL_SUBTEST(check_stdvector_fixedsize<Matrix3d>());
// some vectorizable fixed sizes
CALL_SUBTEST(check_stdvector_fixedsize<Vector2d>());
CALL_SUBTEST(check_stdvector_fixedsize<Vector4f>());
CALL_SUBTEST(check_stdvector_fixedsize<Matrix4f>());
CALL_SUBTEST(check_stdvector_fixedsize<Matrix4d>());
}