miscmatrices.cpp (1789B)
1 // This file is part of Eigen, a lightweight C++ template library 2 // for linear algebra. 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 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 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 }