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79 lines
3.0 KiB
C++
79 lines
3.0 KiB
C++
// This file is part of Eigen, a lightweight C++ template library
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// for linear algebra.
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//
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// Copyright (C) 2011 Benoit Jacob <jacob.benoit.1@gmail.com>
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//
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// Eigen is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 3 of the License, or (at your option) any later version.
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//
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// Alternatively, you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of
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// the License, or (at your option) any later version.
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//
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// Eigen is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License or the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License and a copy of the GNU General Public License along with
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// Eigen. If not, see <http://www.gnu.org/licenses/>.
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#if defined EIGEN_TEST_PART_1 || defined EIGEN_TEST_PART_2 || defined EIGEN_TEST_PART_3 || defined EIGEN_TEST_PART_4
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#define EIGEN_DONT_ALIGN
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#elif defined EIGEN_TEST_PART_5 || defined EIGEN_TEST_PART_6 || defined EIGEN_TEST_PART_7 || defined EIGEN_TEST_PART_8
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#define EIGEN_DONT_ALIGN_STATICALLY
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#endif
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#include "main.h"
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#include <Eigen/Dense>
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template<typename MatrixType>
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void dontalign(const MatrixType& m)
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{
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typedef typename MatrixType::Index Index;
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typedef typename MatrixType::Scalar Scalar;
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typedef Matrix<Scalar, MatrixType::RowsAtCompileTime, 1> VectorType;
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typedef Matrix<Scalar, MatrixType::RowsAtCompileTime, MatrixType::RowsAtCompileTime> SquareMatrixType;
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Index rows = m.rows();
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Index cols = m.cols();
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MatrixType a = MatrixType::Random(rows,cols);
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SquareMatrixType square = SquareMatrixType::Random(rows,rows);
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VectorType v = VectorType::Random(rows);
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VERIFY_IS_APPROX(v, square * square.colPivHouseholderQr().solve(v));
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square = square.inverse().eval();
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a = square * a;
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square = square*square;
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v = square * v;
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v = a.adjoint() * v;
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VERIFY(square.determinant() != Scalar(0));
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// bug 219: MapAligned() was giving an assert with EIGEN_DONT_ALIGN, because Map Flags were miscomputed
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Scalar* array = internal::aligned_new<Scalar>(rows);
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v = VectorType::MapAligned(array, rows);
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internal::aligned_delete(array, rows);
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}
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void test_dontalign()
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{
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#if defined EIGEN_TEST_PART_1 || defined EIGEN_TEST_PART_5
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dontalign(Matrix3d());
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dontalign(Matrix4f());
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#elif defined EIGEN_TEST_PART_2 || defined EIGEN_TEST_PART_6
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dontalign(Matrix3cd());
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dontalign(Matrix4cf());
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#elif defined EIGEN_TEST_PART_3 || defined EIGEN_TEST_PART_7
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dontalign(Matrix<float, 32, 32>());
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dontalign(Matrix<std::complex<float>, 32, 32>());
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#elif defined EIGEN_TEST_PART_4 || defined EIGEN_TEST_PART_8
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dontalign(MatrixXd(32, 32));
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dontalign(MatrixXcf(32, 32));
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#endif
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}
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