1 // This file is part of Eigen, a lightweight C++ template library
2 // for linear algebra.
3 //
4 // Copyright (C) 2006-2008 Benoit Jacob <[email protected]>
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 typedef typename MatrixType::Scalar Scalar;
18 typedef Matrix<Scalar, MatrixType::RowsAtCompileTime, 1> VectorType;
19 Index rows = m.rows();
20 Index cols = m.cols();
21
22 Index r = internal::random<Index>(0, rows-1), r2 = internal::random<Index>(0, rows-1), c = internal::random<Index>(0, cols-1);
23 VERIFY_IS_APPROX(MatrixType::Ones(rows,cols)(r,c), static_cast<Scalar>(1));
24 MatrixType m1 = MatrixType::Ones(rows,cols);
25 VERIFY_IS_APPROX(m1(r,c), static_cast<Scalar>(1));
26 VectorType v1 = VectorType::Random(rows);
27 v1[0];
28 Matrix<Scalar, MatrixType::RowsAtCompileTime, MatrixType::RowsAtCompileTime>
29 square(v1.asDiagonal());
30 if(r==r2) VERIFY_IS_APPROX(square(r,r2), v1[r]);
31 else VERIFY_IS_MUCH_SMALLER_THAN(square(r,r2), static_cast<Scalar>(1));
32 square = MatrixType::Zero(rows, rows);
33 square.diagonal() = VectorType::Ones(rows);
34 VERIFY_IS_APPROX(square, MatrixType::Identity(rows, rows));
35 }
36
EIGEN_DECLARE_TEST(miscmatrices)37 EIGEN_DECLARE_TEST(miscmatrices)
38 {
39 for(int i = 0; i < g_repeat; i++) {
40 CALL_SUBTEST_1( miscMatrices(Matrix<float, 1, 1>()) );
41 CALL_SUBTEST_2( miscMatrices(Matrix4d()) );
42 CALL_SUBTEST_3( miscMatrices(MatrixXcf(3, 3)) );
43 CALL_SUBTEST_4( miscMatrices(MatrixXi(8, 12)) );
44 CALL_SUBTEST_5( miscMatrices(MatrixXcd(20, 20)) );
45 }
46 }
47