82 lines
2.3 KiB
C++
82 lines
2.3 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) 2009 Gael Guennebaud <gael.guennebaud@inria.fr>
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//
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// This Source Code Form is subject to the terms of the Mozilla
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// Public License v. 2.0. If a copy of the MPL was not distributed
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// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#include "main.h"
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template<typename MatrixType> void replicate(const MatrixType& m)
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{
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/* this test covers the following files:
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Replicate.cpp
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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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typedef Matrix<Scalar, Dynamic, Dynamic> MatrixX;
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typedef Matrix<Scalar, Dynamic, 1> VectorX;
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Index rows = m.rows();
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Index 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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VectorType v1 = VectorType::Random(rows);
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MatrixX x1, x2;
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VectorX vx1;
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int f1 = internal::random<int>(1,10),
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f2 = internal::random<int>(1,10);
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x1.resize(rows*f1,cols*f2);
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for(int j=0; j<f2; j++)
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for(int i=0; i<f1; i++)
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x1.block(i*rows,j*cols,rows,cols) = m1;
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VERIFY_IS_APPROX(x1, m1.replicate(f1,f2));
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x2.resize(2*rows,3*cols);
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x2 << m2, m2, m2,
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m2, m2, m2;
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VERIFY_IS_APPROX(x2, (m2.template replicate<2,3>()));
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x2.resize(rows,3*cols);
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x2 << m2, m2, m2;
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VERIFY_IS_APPROX(x2, (m2.template replicate<1,3>()));
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vx1.resize(3*rows,cols);
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vx1 << m2, m2, m2;
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VERIFY_IS_APPROX(vx1+vx1, vx1+(m2.template replicate<3,1>()));
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vx1=m2+(m2.colwise().replicate(1));
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if(m2.cols()==1)
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VERIFY_IS_APPROX(m2.coeff(0), (m2.template replicate<3,1>().coeff(m2.rows())));
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x2.resize(rows,f1);
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for (int j=0; j<f1; ++j)
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x2.col(j) = v1;
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VERIFY_IS_APPROX(x2, v1.rowwise().replicate(f1));
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vx1.resize(rows*f2);
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for (int j=0; j<f2; ++j)
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vx1.segment(j*rows,rows) = v1;
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VERIFY_IS_APPROX(vx1, v1.colwise().replicate(f2));
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}
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EIGEN_DECLARE_TEST(array_replicate)
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{
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for(int i = 0; i < g_repeat; i++) {
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CALL_SUBTEST_1( replicate(Matrix<float, 1, 1>()) );
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CALL_SUBTEST_2( replicate(Vector2f()) );
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CALL_SUBTEST_3( replicate(Vector3d()) );
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CALL_SUBTEST_4( replicate(Vector4f()) );
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CALL_SUBTEST_5( replicate(VectorXf(16)) );
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CALL_SUBTEST_6( replicate(VectorXcd(10)) );
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}
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}
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