1 // This file is part of Eigen, a lightweight C++ template library 2 // for linear algebra. 3 // 4 // Copyright (C) 2011 Benoit Jacob <jacob.benoit.1 (at) 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 zeroSizedMatrix() 13 { 14 MatrixType t1; 15 16 if (MatrixType::SizeAtCompileTime == Dynamic) 17 { 18 if (MatrixType::RowsAtCompileTime == Dynamic) 19 VERIFY(t1.rows() == 0); 20 if (MatrixType::ColsAtCompileTime == Dynamic) 21 VERIFY(t1.cols() == 0); 22 23 if (MatrixType::RowsAtCompileTime == Dynamic && MatrixType::ColsAtCompileTime == Dynamic) 24 { 25 MatrixType t2(0, 0); 26 VERIFY(t2.rows() == 0); 27 VERIFY(t2.cols() == 0); 28 } 29 } 30 } 31 32 template<typename VectorType> void zeroSizedVector() 33 { 34 VectorType t1; 35 36 if (VectorType::SizeAtCompileTime == Dynamic) 37 { 38 VERIFY(t1.size() == 0); 39 VectorType t2(DenseIndex(0)); // DenseIndex disambiguates with 0-the-null-pointer (error with gcc 4.4 and MSVC8) 40 VERIFY(t2.size() == 0); 41 } 42 } 43 44 void test_zerosized() 45 { 46 zeroSizedMatrix<Matrix2d>(); 47 zeroSizedMatrix<Matrix3i>(); 48 zeroSizedMatrix<Matrix<float, 2, Dynamic> >(); 49 zeroSizedMatrix<MatrixXf>(); 50 zeroSizedMatrix<Matrix<float, 0, 0> >(); 51 zeroSizedMatrix<Matrix<float, Dynamic, 0, 0, 0, 0> >(); 52 zeroSizedMatrix<Matrix<float, 0, Dynamic, 0, 0, 0> >(); 53 zeroSizedMatrix<Matrix<float, Dynamic, Dynamic, 0, 0, 0> >(); 54 55 zeroSizedVector<Vector2d>(); 56 zeroSizedVector<Vector3i>(); 57 zeroSizedVector<VectorXf>(); 58 zeroSizedVector<Matrix<float, 0, 1> >(); 59 } 60
