1 | // This file is part of Eigen, a lightweight C++ template library
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2 | // for linear algebra. Eigen itself is part of the KDE project.
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3 | //
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4 | // Copyright (C) 2006-2008 Benoit Jacob <jacob.benoit.1@gmail.com>
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5 | //
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6 | // This Source Code Form is subject to the terms of the Mozilla
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7 | // Public License v. 2.0. If a copy of the MPL was not distributed
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8 | // with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
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9 |
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10 | #include "product.h"
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11 |
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12 | void test_eigen2_product_large()
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13 | {
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14 | for(int i = 0; i < g_repeat; i++) {
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15 | CALL_SUBTEST_1( product(MatrixXf(ei_random<int>(1,320), ei_random<int>(1,320))) );
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16 | CALL_SUBTEST_2( product(MatrixXd(ei_random<int>(1,320), ei_random<int>(1,320))) );
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17 | CALL_SUBTEST_3( product(MatrixXi(ei_random<int>(1,320), ei_random<int>(1,320))) );
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18 | CALL_SUBTEST_4( product(MatrixXcf(ei_random<int>(1,50), ei_random<int>(1,50))) );
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19 | CALL_SUBTEST_5( product(Matrix<float,Dynamic,Dynamic,RowMajor>(ei_random<int>(1,320), ei_random<int>(1,320))) );
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20 | }
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21 |
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22 | #ifdef EIGEN_TEST_PART_6
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23 | {
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24 | // test a specific issue in DiagonalProduct
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25 | int N = 1000000;
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26 | VectorXf v = VectorXf::Ones(N);
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27 | MatrixXf m = MatrixXf::Ones(N,3);
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28 | m = (v+v).asDiagonal() * m;
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29 | VERIFY_IS_APPROX(m, MatrixXf::Constant(N,3,2));
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30 | }
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31 |
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32 | {
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33 | // test deferred resizing in Matrix::operator=
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34 | MatrixXf a = MatrixXf::Random(10,4), b = MatrixXf::Random(4,10), c = a;
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35 | VERIFY_IS_APPROX((a = a * b), (c * b).eval());
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36 | }
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37 |
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38 | {
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39 | MatrixXf mat1(10,10); mat1.setRandom();
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40 | MatrixXf mat2(32,10); mat2.setRandom();
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41 | MatrixXf result = mat1.row(2)*mat2.transpose();
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42 | VERIFY_IS_APPROX(result, (mat1.row(2)*mat2.transpose()).eval());
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43 | }
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44 | #endif
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45 | }
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