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83 lines
2.9 KiB
C++
83 lines
2.9 KiB
C++
// This file is part of Eigen, a lightweight C++ template library
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// for linear algebra. Eigen itself is part of the KDE project.
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//
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// Copyright (C) 2006-2007 Benoit Jacob <jacob@math.jussieu.fr>
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//
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// Eigen is free software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the Free Software
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// Foundation; either version 2 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 General Public License for more
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// details.
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//
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// You should have received a copy of the GNU General Public License along
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// with Eigen; if not, write to the Free Software Foundation, Inc., 51
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// Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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//
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// As a special exception, if other files instantiate templates or use macros
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// or functions from this file, or you compile this file and link it
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// with other works to produce a work based on this file, this file does not
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// by itself cause the resulting work to be covered by the GNU General Public
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// License. This exception does not invalidate any other reasons why a work
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// based on this file might be covered by the GNU General Public License.
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#include "main.h"
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template<typename MatrixType> void basicStuff(const MatrixType& m)
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{
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typedef typename MatrixType::Scalar Scalar;
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typedef Matrix<Scalar, MatrixType::RowsAtCompileTime, 1> VectorType;
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int rows = m.rows();
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int cols = m.cols();
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MatrixType m1 = MatrixType::random(rows, cols),
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m2 = MatrixType::random(rows, cols),
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m3;
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VectorType v1 = VectorType::random(rows, 1),
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v2 = VectorType::random(rows, 1);
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Scalar s1 = NumTraits<Scalar>::random(),
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s2 = NumTraits<Scalar>::random();
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QVERIFY(v1.isApprox(v1));
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QVERIFY((v1-v1).isMuchSmallerThan(v1));
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QVERIFY((v1-v1).isMuchSmallerThan(v1.norm()));
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QVERIFY(m1.isApprox(m1));
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QVERIFY((m1-m1).isMuchSmallerThan(m1));
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QVERIFY((m1+m1).isApprox(2 * m1));
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QVERIFY((m1 * s1).isApprox(s1 * m1));
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QVERIFY(((m1 + m2) * s1).isApprox(s1 * m1 + s1 * m2));
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QVERIFY(((s1 + s2) * m1).isApprox(m1 * s1 + m1 * s2));
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m3 = m2;
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QVERIFY((m3 += m1).isApprox(m1 + m2));
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m3 = m2;
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QVERIFY((m3 -= m1).isApprox(-m1 + m2));
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m3 = m2;
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QVERIFY((m3 *= s1).isApprox(s1 * m2));
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m3 = m2;
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if(NumTraits<Scalar>::HasFloatingPoint
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&& s1 != static_cast<Scalar>(0))
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QVERIFY((m3 /= s1).isApprox(m2 / s1));
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QVERIFY(((m1 * m1.transpose()) * m2).isApprox(m1 * (m1.transpose() * m2)));
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m3 = m1;
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m3 *= (m1.transpose() * m2);
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QVERIFY(m3.isApprox(m1 * (m1.transpose() * m2)));
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QVERIFY(m3.isApprox(m1.lazyProduct(m1.transpose() * m2)));
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}
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void EigenTest::testBasicStuff()
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{
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basicStuff(Matrix<float, 1, 1>());
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basicStuff(Matrix<complex<double>, 4, 4>());
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basicStuff(MatrixXcf(3, 3));
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basicStuff(MatrixXi(8, 12));
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basicStuff(MatrixXd(20, 20));
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}
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