corners.cpp (6448B)
1 // This file is part of Eigen, a lightweight C++ template library 2 // for linear algebra. 3 // 4 // Copyright (C) 2006-2010 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 #define COMPARE_CORNER(A,B) \ 13 VERIFY_IS_EQUAL(matrix.A, matrix.B); \ 14 VERIFY_IS_EQUAL(const_matrix.A, const_matrix.B); 15 16 template<typename MatrixType> void corners(const MatrixType& m) 17 { 18 Index rows = m.rows(); 19 Index cols = m.cols(); 20 21 Index r = internal::random<Index>(1,rows); 22 Index c = internal::random<Index>(1,cols); 23 24 MatrixType matrix = MatrixType::Random(rows,cols); 25 const MatrixType const_matrix = MatrixType::Random(rows,cols); 26 27 COMPARE_CORNER(topLeftCorner(r,c), block(0,0,r,c)); 28 COMPARE_CORNER(topRightCorner(r,c), block(0,cols-c,r,c)); 29 COMPARE_CORNER(bottomLeftCorner(r,c), block(rows-r,0,r,c)); 30 COMPARE_CORNER(bottomRightCorner(r,c), block(rows-r,cols-c,r,c)); 31 32 Index sr = internal::random<Index>(1,rows) - 1; 33 Index nr = internal::random<Index>(1,rows-sr); 34 Index sc = internal::random<Index>(1,cols) - 1; 35 Index nc = internal::random<Index>(1,cols-sc); 36 37 COMPARE_CORNER(topRows(r), block(0,0,r,cols)); 38 COMPARE_CORNER(middleRows(sr,nr), block(sr,0,nr,cols)); 39 COMPARE_CORNER(bottomRows(r), block(rows-r,0,r,cols)); 40 COMPARE_CORNER(leftCols(c), block(0,0,rows,c)); 41 COMPARE_CORNER(middleCols(sc,nc), block(0,sc,rows,nc)); 42 COMPARE_CORNER(rightCols(c), block(0,cols-c,rows,c)); 43 } 44 45 template<typename MatrixType, int CRows, int CCols, int SRows, int SCols> void corners_fixedsize() 46 { 47 MatrixType matrix = MatrixType::Random(); 48 const MatrixType const_matrix = MatrixType::Random(); 49 50 enum { 51 rows = MatrixType::RowsAtCompileTime, 52 cols = MatrixType::ColsAtCompileTime, 53 r = CRows, 54 c = CCols, 55 sr = SRows, 56 sc = SCols 57 }; 58 59 VERIFY_IS_EQUAL((matrix.template topLeftCorner<r,c>()), (matrix.template block<r,c>(0,0))); 60 VERIFY_IS_EQUAL((matrix.template topRightCorner<r,c>()), (matrix.template block<r,c>(0,cols-c))); 61 VERIFY_IS_EQUAL((matrix.template bottomLeftCorner<r,c>()), (matrix.template block<r,c>(rows-r,0))); 62 VERIFY_IS_EQUAL((matrix.template bottomRightCorner<r,c>()), (matrix.template block<r,c>(rows-r,cols-c))); 63 64 VERIFY_IS_EQUAL((matrix.template topLeftCorner<r,c>()), (matrix.template topLeftCorner<r,Dynamic>(r,c))); 65 VERIFY_IS_EQUAL((matrix.template topRightCorner<r,c>()), (matrix.template topRightCorner<r,Dynamic>(r,c))); 66 VERIFY_IS_EQUAL((matrix.template bottomLeftCorner<r,c>()), (matrix.template bottomLeftCorner<r,Dynamic>(r,c))); 67 VERIFY_IS_EQUAL((matrix.template bottomRightCorner<r,c>()), (matrix.template bottomRightCorner<r,Dynamic>(r,c))); 68 69 VERIFY_IS_EQUAL((matrix.template topLeftCorner<r,c>()), (matrix.template topLeftCorner<Dynamic,c>(r,c))); 70 VERIFY_IS_EQUAL((matrix.template topRightCorner<r,c>()), (matrix.template topRightCorner<Dynamic,c>(r,c))); 71 VERIFY_IS_EQUAL((matrix.template bottomLeftCorner<r,c>()), (matrix.template bottomLeftCorner<Dynamic,c>(r,c))); 72 VERIFY_IS_EQUAL((matrix.template bottomRightCorner<r,c>()), (matrix.template bottomRightCorner<Dynamic,c>(r,c))); 73 74 VERIFY_IS_EQUAL((matrix.template topRows<r>()), (matrix.template block<r,cols>(0,0))); 75 VERIFY_IS_EQUAL((matrix.template middleRows<r>(sr)), (matrix.template block<r,cols>(sr,0))); 76 VERIFY_IS_EQUAL((matrix.template bottomRows<r>()), (matrix.template block<r,cols>(rows-r,0))); 77 VERIFY_IS_EQUAL((matrix.template leftCols<c>()), (matrix.template block<rows,c>(0,0))); 78 VERIFY_IS_EQUAL((matrix.template middleCols<c>(sc)), (matrix.template block<rows,c>(0,sc))); 79 VERIFY_IS_EQUAL((matrix.template rightCols<c>()), (matrix.template block<rows,c>(0,cols-c))); 80 81 VERIFY_IS_EQUAL((const_matrix.template topLeftCorner<r,c>()), (const_matrix.template block<r,c>(0,0))); 82 VERIFY_IS_EQUAL((const_matrix.template topRightCorner<r,c>()), (const_matrix.template block<r,c>(0,cols-c))); 83 VERIFY_IS_EQUAL((const_matrix.template bottomLeftCorner<r,c>()), (const_matrix.template block<r,c>(rows-r,0))); 84 VERIFY_IS_EQUAL((const_matrix.template bottomRightCorner<r,c>()), (const_matrix.template block<r,c>(rows-r,cols-c))); 85 86 VERIFY_IS_EQUAL((const_matrix.template topLeftCorner<r,c>()), (const_matrix.template topLeftCorner<r,Dynamic>(r,c))); 87 VERIFY_IS_EQUAL((const_matrix.template topRightCorner<r,c>()), (const_matrix.template topRightCorner<r,Dynamic>(r,c))); 88 VERIFY_IS_EQUAL((const_matrix.template bottomLeftCorner<r,c>()), (const_matrix.template bottomLeftCorner<r,Dynamic>(r,c))); 89 VERIFY_IS_EQUAL((const_matrix.template bottomRightCorner<r,c>()), (const_matrix.template bottomRightCorner<r,Dynamic>(r,c))); 90 91 VERIFY_IS_EQUAL((const_matrix.template topLeftCorner<r,c>()), (const_matrix.template topLeftCorner<Dynamic,c>(r,c))); 92 VERIFY_IS_EQUAL((const_matrix.template topRightCorner<r,c>()), (const_matrix.template topRightCorner<Dynamic,c>(r,c))); 93 VERIFY_IS_EQUAL((const_matrix.template bottomLeftCorner<r,c>()), (const_matrix.template bottomLeftCorner<Dynamic,c>(r,c))); 94 VERIFY_IS_EQUAL((const_matrix.template bottomRightCorner<r,c>()), (const_matrix.template bottomRightCorner<Dynamic,c>(r,c))); 95 96 VERIFY_IS_EQUAL((const_matrix.template topRows<r>()), (const_matrix.template block<r,cols>(0,0))); 97 VERIFY_IS_EQUAL((const_matrix.template middleRows<r>(sr)), (const_matrix.template block<r,cols>(sr,0))); 98 VERIFY_IS_EQUAL((const_matrix.template bottomRows<r>()), (const_matrix.template block<r,cols>(rows-r,0))); 99 VERIFY_IS_EQUAL((const_matrix.template leftCols<c>()), (const_matrix.template block<rows,c>(0,0))); 100 VERIFY_IS_EQUAL((const_matrix.template middleCols<c>(sc)), (const_matrix.template block<rows,c>(0,sc))); 101 VERIFY_IS_EQUAL((const_matrix.template rightCols<c>()), (const_matrix.template block<rows,c>(0,cols-c))); 102 } 103 104 EIGEN_DECLARE_TEST(corners) 105 { 106 for(int i = 0; i < g_repeat; i++) { 107 CALL_SUBTEST_1( corners(Matrix<float, 1, 1>()) ); 108 CALL_SUBTEST_2( corners(Matrix4d()) ); 109 CALL_SUBTEST_3( corners(Matrix<int,10,12>()) ); 110 CALL_SUBTEST_4( corners(MatrixXcf(5, 7)) ); 111 CALL_SUBTEST_5( corners(MatrixXf(21, 20)) ); 112 113 CALL_SUBTEST_1(( corners_fixedsize<Matrix<float, 1, 1>, 1, 1, 0, 0>() )); 114 CALL_SUBTEST_2(( corners_fixedsize<Matrix4d,2,2,1,1>() )); 115 CALL_SUBTEST_3(( corners_fixedsize<Matrix<int,10,12>,4,7,5,2>() )); 116 } 117 }