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							118 lines
						
					
					
						
							6.3 KiB
						
					
					
				| // This file is part of Eigen, a lightweight C++ template library | |
| // for linear algebra. | |
| // | |
| // Copyright (C) 2006-2010 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" | |
|  | |
| #define COMPARE_CORNER(A,B) \ | |
|   VERIFY_IS_EQUAL(matrix.A, matrix.B); \ | |
|   VERIFY_IS_EQUAL(const_matrix.A, const_matrix.B); | |
|  | |
| template<typename MatrixType> void corners(const MatrixType& m) | |
| { | |
|   typedef typename MatrixType::Index Index; | |
|   Index rows = m.rows(); | |
|   Index cols = m.cols(); | |
| 
 | |
|   Index r = internal::random<Index>(1,rows); | |
|   Index c = internal::random<Index>(1,cols); | |
| 
 | |
|   MatrixType matrix = MatrixType::Random(rows,cols); | |
|   const MatrixType const_matrix = MatrixType::Random(rows,cols); | |
| 
 | |
|   COMPARE_CORNER(topLeftCorner(r,c), block(0,0,r,c)); | |
|   COMPARE_CORNER(topRightCorner(r,c), block(0,cols-c,r,c)); | |
|   COMPARE_CORNER(bottomLeftCorner(r,c), block(rows-r,0,r,c)); | |
|   COMPARE_CORNER(bottomRightCorner(r,c), block(rows-r,cols-c,r,c)); | |
| 
 | |
|   Index sr = internal::random<Index>(1,rows) - 1; | |
|   Index nr = internal::random<Index>(1,rows-sr); | |
|   Index sc = internal::random<Index>(1,cols) - 1; | |
|   Index nc = internal::random<Index>(1,cols-sc); | |
| 
 | |
|   COMPARE_CORNER(topRows(r), block(0,0,r,cols)); | |
|   COMPARE_CORNER(middleRows(sr,nr), block(sr,0,nr,cols)); | |
|   COMPARE_CORNER(bottomRows(r), block(rows-r,0,r,cols)); | |
|   COMPARE_CORNER(leftCols(c), block(0,0,rows,c)); | |
|   COMPARE_CORNER(middleCols(sc,nc), block(0,sc,rows,nc)); | |
|   COMPARE_CORNER(rightCols(c), block(0,cols-c,rows,c)); | |
| } | |
| 
 | |
| template<typename MatrixType, int CRows, int CCols, int SRows, int SCols> void corners_fixedsize() | |
| { | |
|   MatrixType matrix = MatrixType::Random(); | |
|   const MatrixType const_matrix = MatrixType::Random(); | |
| 
 | |
|   enum { | |
|     rows = MatrixType::RowsAtCompileTime, | |
|     cols = MatrixType::ColsAtCompileTime, | |
|     r = CRows, | |
|     c = CCols, | |
| 	sr = SRows, | |
| 	sc = SCols | |
|   }; | |
| 
 | |
|   VERIFY_IS_EQUAL((matrix.template topLeftCorner<r,c>()), (matrix.template block<r,c>(0,0))); | |
|   VERIFY_IS_EQUAL((matrix.template topRightCorner<r,c>()), (matrix.template block<r,c>(0,cols-c))); | |
|   VERIFY_IS_EQUAL((matrix.template bottomLeftCorner<r,c>()), (matrix.template block<r,c>(rows-r,0))); | |
|   VERIFY_IS_EQUAL((matrix.template bottomRightCorner<r,c>()), (matrix.template block<r,c>(rows-r,cols-c))); | |
| 
 | |
|   VERIFY_IS_EQUAL((matrix.template topLeftCorner<r,c>()), (matrix.template topLeftCorner<r,Dynamic>(r,c))); | |
|   VERIFY_IS_EQUAL((matrix.template topRightCorner<r,c>()), (matrix.template topRightCorner<r,Dynamic>(r,c))); | |
|   VERIFY_IS_EQUAL((matrix.template bottomLeftCorner<r,c>()), (matrix.template bottomLeftCorner<r,Dynamic>(r,c))); | |
|   VERIFY_IS_EQUAL((matrix.template bottomRightCorner<r,c>()), (matrix.template bottomRightCorner<r,Dynamic>(r,c))); | |
| 
 | |
|   VERIFY_IS_EQUAL((matrix.template topLeftCorner<r,c>()), (matrix.template topLeftCorner<Dynamic,c>(r,c))); | |
|   VERIFY_IS_EQUAL((matrix.template topRightCorner<r,c>()), (matrix.template topRightCorner<Dynamic,c>(r,c))); | |
|   VERIFY_IS_EQUAL((matrix.template bottomLeftCorner<r,c>()), (matrix.template bottomLeftCorner<Dynamic,c>(r,c))); | |
|   VERIFY_IS_EQUAL((matrix.template bottomRightCorner<r,c>()), (matrix.template bottomRightCorner<Dynamic,c>(r,c))); | |
| 
 | |
|   VERIFY_IS_EQUAL((matrix.template topRows<r>()), (matrix.template block<r,cols>(0,0))); | |
|   VERIFY_IS_EQUAL((matrix.template middleRows<r>(sr)), (matrix.template block<r,cols>(sr,0))); | |
|   VERIFY_IS_EQUAL((matrix.template bottomRows<r>()), (matrix.template block<r,cols>(rows-r,0))); | |
|   VERIFY_IS_EQUAL((matrix.template leftCols<c>()), (matrix.template block<rows,c>(0,0))); | |
|   VERIFY_IS_EQUAL((matrix.template middleCols<c>(sc)), (matrix.template block<rows,c>(0,sc))); | |
|   VERIFY_IS_EQUAL((matrix.template rightCols<c>()), (matrix.template block<rows,c>(0,cols-c))); | |
| 
 | |
|   VERIFY_IS_EQUAL((const_matrix.template topLeftCorner<r,c>()), (const_matrix.template block<r,c>(0,0))); | |
|   VERIFY_IS_EQUAL((const_matrix.template topRightCorner<r,c>()), (const_matrix.template block<r,c>(0,cols-c))); | |
|   VERIFY_IS_EQUAL((const_matrix.template bottomLeftCorner<r,c>()), (const_matrix.template block<r,c>(rows-r,0))); | |
|   VERIFY_IS_EQUAL((const_matrix.template bottomRightCorner<r,c>()), (const_matrix.template block<r,c>(rows-r,cols-c))); | |
| 
 | |
|   VERIFY_IS_EQUAL((const_matrix.template topLeftCorner<r,c>()), (const_matrix.template topLeftCorner<r,Dynamic>(r,c))); | |
|   VERIFY_IS_EQUAL((const_matrix.template topRightCorner<r,c>()), (const_matrix.template topRightCorner<r,Dynamic>(r,c))); | |
|   VERIFY_IS_EQUAL((const_matrix.template bottomLeftCorner<r,c>()), (const_matrix.template bottomLeftCorner<r,Dynamic>(r,c))); | |
|   VERIFY_IS_EQUAL((const_matrix.template bottomRightCorner<r,c>()), (const_matrix.template bottomRightCorner<r,Dynamic>(r,c))); | |
| 
 | |
|   VERIFY_IS_EQUAL((const_matrix.template topLeftCorner<r,c>()), (const_matrix.template topLeftCorner<Dynamic,c>(r,c))); | |
|   VERIFY_IS_EQUAL((const_matrix.template topRightCorner<r,c>()), (const_matrix.template topRightCorner<Dynamic,c>(r,c))); | |
|   VERIFY_IS_EQUAL((const_matrix.template bottomLeftCorner<r,c>()), (const_matrix.template bottomLeftCorner<Dynamic,c>(r,c))); | |
|   VERIFY_IS_EQUAL((const_matrix.template bottomRightCorner<r,c>()), (const_matrix.template bottomRightCorner<Dynamic,c>(r,c))); | |
| 
 | |
|   VERIFY_IS_EQUAL((const_matrix.template topRows<r>()), (const_matrix.template block<r,cols>(0,0))); | |
|   VERIFY_IS_EQUAL((const_matrix.template middleRows<r>(sr)), (const_matrix.template block<r,cols>(sr,0))); | |
|   VERIFY_IS_EQUAL((const_matrix.template bottomRows<r>()), (const_matrix.template block<r,cols>(rows-r,0))); | |
|   VERIFY_IS_EQUAL((const_matrix.template leftCols<c>()), (const_matrix.template block<rows,c>(0,0))); | |
|   VERIFY_IS_EQUAL((const_matrix.template middleCols<c>(sc)), (const_matrix.template block<rows,c>(0,sc))); | |
|   VERIFY_IS_EQUAL((const_matrix.template rightCols<c>()), (const_matrix.template block<rows,c>(0,cols-c))); | |
| } | |
| 
 | |
| void test_corners() | |
| { | |
|   for(int i = 0; i < g_repeat; i++) { | |
|     CALL_SUBTEST_1( corners(Matrix<float, 1, 1>()) ); | |
|     CALL_SUBTEST_2( corners(Matrix4d()) ); | |
|     CALL_SUBTEST_3( corners(Matrix<int,10,12>()) ); | |
|     CALL_SUBTEST_4( corners(MatrixXcf(5, 7)) ); | |
|     CALL_SUBTEST_5( corners(MatrixXf(21, 20)) ); | |
| 
 | |
|     CALL_SUBTEST_1(( corners_fixedsize<Matrix<float, 1, 1>, 1, 1, 0, 0>() )); | |
|     CALL_SUBTEST_2(( corners_fixedsize<Matrix4d,2,2,1,1>() )); | |
|     CALL_SUBTEST_3(( corners_fixedsize<Matrix<int,10,12>,4,7,5,2>() )); | |
|   } | |
| }
 |