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 "main.h"
11
miscMatrices(const MatrixType & m)12 template<typename MatrixType> void miscMatrices(const MatrixType& m)
13 {
14 /* this test covers the following files:
15 DiagonalMatrix.h Ones.h
16 */
17
18 typedef typename MatrixType::Scalar Scalar;
19 typedef Matrix<Scalar, MatrixType::RowsAtCompileTime, 1> VectorType;
20 typedef Matrix<Scalar, 1, MatrixType::ColsAtCompileTime> RowVectorType;
21 int rows = m.rows();
22 int cols = m.cols();
23
24 int r = ei_random<int>(0, rows-1), r2 = ei_random<int>(0, rows-1), c = ei_random<int>(0, cols-1);
25 VERIFY_IS_APPROX(MatrixType::Ones(rows,cols)(r,c), static_cast<Scalar>(1));
26 MatrixType m1 = MatrixType::Ones(rows,cols);
27 VERIFY_IS_APPROX(m1(r,c), static_cast<Scalar>(1));
28 VectorType v1 = VectorType::Random(rows);
29 v1[0];
30 Matrix<Scalar, MatrixType::RowsAtCompileTime, MatrixType::RowsAtCompileTime>
31 square = v1.asDiagonal();
32 if(r==r2) VERIFY_IS_APPROX(square(r,r2), v1[r]);
33 else VERIFY_IS_MUCH_SMALLER_THAN(square(r,r2), static_cast<Scalar>(1));
34 square = MatrixType::Zero(rows, rows);
35 square.diagonal() = VectorType::Ones(rows);
36 VERIFY_IS_APPROX(square, MatrixType::Identity(rows, rows));
37 }
38
test_eigen2_miscmatrices()39 void test_eigen2_miscmatrices()
40 {
41 for(int i = 0; i < g_repeat; i++) {
42 CALL_SUBTEST_1( miscMatrices(Matrix<float, 1, 1>()) );
43 CALL_SUBTEST_2( miscMatrices(Matrix4d()) );
44 CALL_SUBTEST_3( miscMatrices(MatrixXcf(3, 3)) );
45 CALL_SUBTEST_4( miscMatrices(MatrixXi(8, 12)) );
46 CALL_SUBTEST_5( miscMatrices(MatrixXcd(20, 20)) );
47 }
48 }
49