1// This file is part of Eigen, a lightweight C++ template library
2// for linear algebra. Eigen itself is part of the KDE project.
3//
4// Copyright (C) 2006-2008 Benoit Jacob <jacob.benoit.1@gmail.com>
5//
6// This Source Code Form is subject to the terms of the Mozilla
7// Public License v. 2.0. If a copy of the MPL was not distributed
8// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
9
10#include "product.h"
11
12void test_eigen2_product_large()
13{
14  for(int i = 0; i < g_repeat; i++) {
15    CALL_SUBTEST_1( product(MatrixXf(ei_random<int>(1,320), ei_random<int>(1,320))) );
16    CALL_SUBTEST_2( product(MatrixXd(ei_random<int>(1,320), ei_random<int>(1,320))) );
17    CALL_SUBTEST_3( product(MatrixXi(ei_random<int>(1,320), ei_random<int>(1,320))) );
18    CALL_SUBTEST_4( product(MatrixXcf(ei_random<int>(1,50), ei_random<int>(1,50))) );
19    CALL_SUBTEST_5( product(Matrix<float,Dynamic,Dynamic,RowMajor>(ei_random<int>(1,320), ei_random<int>(1,320))) );
20  }
21
22#ifdef EIGEN_TEST_PART_6
23  {
24    // test a specific issue in DiagonalProduct
25    int N = 1000000;
26    VectorXf v = VectorXf::Ones(N);
27    MatrixXf m = MatrixXf::Ones(N,3);
28    m = (v+v).asDiagonal() * m;
29    VERIFY_IS_APPROX(m, MatrixXf::Constant(N,3,2));
30  }
31
32  {
33    // test deferred resizing in Matrix::operator=
34    MatrixXf a = MatrixXf::Random(10,4), b = MatrixXf::Random(4,10), c = a;
35    VERIFY_IS_APPROX((a = a * b), (c * b).eval());
36  }
37
38  {
39    MatrixXf mat1(10,10); mat1.setRandom();
40    MatrixXf mat2(32,10); mat2.setRandom();
41    MatrixXf result = mat1.row(2)*mat2.transpose();
42    VERIFY_IS_APPROX(result, (mat1.row(2)*mat2.transpose()).eval());
43  }
44#endif
45}
46