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							59 lines
						
					
					
						
							1.7 KiB
						
					
					
				| // This file is part of Eigen, a lightweight C++ template library | |
| // for linear algebra. | |
| // | |
| // Copyright (C) 2011 Benoit Jacob <jacob.benoit.1@gmail.com> | |
| // | |
| // This Source Code Form is subject to the terms of the Mozilla | |
| // Public License v. 2.0. If a copy of the MPL was not distributed | |
| // with this file, You can obtain one at http://mozilla.org/MPL/2.0/. | |
|  | |
| #include "main.h" | |
|  | |
| template<typename MatrixType> void zeroSizedMatrix() | |
| { | |
|   MatrixType t1; | |
| 
 | |
|   if (MatrixType::SizeAtCompileTime == Dynamic) | |
|   { | |
|     if (MatrixType::RowsAtCompileTime == Dynamic) | |
|       VERIFY(t1.rows() == 0); | |
|     if (MatrixType::ColsAtCompileTime == Dynamic) | |
|       VERIFY(t1.cols() == 0); | |
| 
 | |
|     if (MatrixType::RowsAtCompileTime == Dynamic && MatrixType::ColsAtCompileTime == Dynamic) | |
|     { | |
|       MatrixType t2(0, 0); | |
|       VERIFY(t2.rows() == 0); | |
|       VERIFY(t2.cols() == 0); | |
|     } | |
|   } | |
| } | |
| 
 | |
| template<typename VectorType> void zeroSizedVector() | |
| { | |
|   VectorType t1; | |
| 
 | |
|   if (VectorType::SizeAtCompileTime == Dynamic) | |
|   { | |
|     VERIFY(t1.size() == 0); | |
|     VectorType t2(DenseIndex(0)); // DenseIndex disambiguates with 0-the-null-pointer (error with gcc 4.4 and MSVC8) | |
|     VERIFY(t2.size() == 0); | |
|   } | |
| } | |
| 
 | |
| void test_zerosized() | |
| { | |
|   zeroSizedMatrix<Matrix2d>(); | |
|   zeroSizedMatrix<Matrix3i>(); | |
|   zeroSizedMatrix<Matrix<float, 2, Dynamic> >(); | |
|   zeroSizedMatrix<MatrixXf>(); | |
|   zeroSizedMatrix<Matrix<float, 0, 0> >(); | |
|   zeroSizedMatrix<Matrix<float, Dynamic, 0, 0, 0, 0> >(); | |
|   zeroSizedMatrix<Matrix<float, 0, Dynamic, 0, 0, 0> >(); | |
|   zeroSizedMatrix<Matrix<float, Dynamic, Dynamic, 0, 0, 0> >(); | |
|    | |
|   zeroSizedVector<Vector2d>(); | |
|   zeroSizedVector<Vector3i>(); | |
|   zeroSizedVector<VectorXf>(); | |
|   zeroSizedVector<Matrix<float, 0, 1> >(); | |
| }
 |