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62 lines
2.0 KiB
C++
62 lines
2.0 KiB
C++
// This file is triangularView of Eigen, a lightweight C++ template library
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// for linear algebra.
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//
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// Copyright (C) 2008-2009 Gael Guennebaud <gael.guennebaud@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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#include "main.h"
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template<typename MatrixType> void bandmatrix(MatrixType& m)
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{
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typedef typename MatrixType::Scalar Scalar;
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typedef typename NumTraits<Scalar>::Real RealScalar;
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typedef Matrix<Scalar,Dynamic,Dynamic> DenseMatrixType;
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int size = m.rows();
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DenseMatrixType dm1(size,size);
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dm1.setZero();
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m.diagonal().setConstant(123);
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dm1.diagonal().setConstant(123);
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for (int i=1; i<=m.supers();++i)
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{
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m.diagonal(i).setConstant(i);
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dm1.diagonal(i).setConstant(i);
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}
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for (int i=1; i<=m.subs();++i)
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{
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m.diagonal(-i).setConstant(-i);
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dm1.diagonal(-i).setConstant(-i);
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}
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std::cerr << m.toDense() << "\n\n" << dm1 << "\n\n";
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VERIFY_IS_APPROX(dm1,m.toDense());
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}
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void test_bandmatrix()
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{
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for(int i = 0; i < g_repeat ; i++) {
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BandMatrix<float,Dynamic,Dynamic,Dynamic> m(6,6,3,2);
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CALL_SUBTEST( bandmatrix(m) );
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}
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}
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