1 // This file is triangularView of Eigen, a lightweight C++ template library 2 // for linear algebra. 3 // 4 // Copyright (C) 2010 Gael Guennebaud <gael.guennebaud (at) inria.fr> 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 // This file tests the basic selfadjointView API, 13 // the related products and decompositions are tested in specific files. 14 15 template<typename MatrixType> void selfadjoint(const MatrixType& m) 16 { 17 typedef typename MatrixType::Index Index; 18 typedef typename MatrixType::Scalar Scalar; 19 20 Index rows = m.rows(); 21 Index cols = m.cols(); 22 23 MatrixType m1 = MatrixType::Random(rows, cols), 24 m2 = MatrixType::Random(rows, cols), 25 m3(rows, cols), 26 m4(rows, cols); 27 28 m1.diagonal() = m1.diagonal().real().template cast<Scalar>(); 29 30 // check selfadjoint to dense 31 m3 = m1.template selfadjointView<Upper>(); 32 VERIFY_IS_APPROX(MatrixType(m3.template triangularView<Upper>()), MatrixType(m1.template triangularView<Upper>())); 33 VERIFY_IS_APPROX(m3, m3.adjoint()); 34 35 m3 = m1.template selfadjointView<Lower>(); 36 VERIFY_IS_APPROX(MatrixType(m3.template triangularView<Lower>()), MatrixType(m1.template triangularView<Lower>())); 37 VERIFY_IS_APPROX(m3, m3.adjoint()); 38 39 m3 = m1.template selfadjointView<Upper>(); 40 m4 = m2; 41 m4 += m1.template selfadjointView<Upper>(); 42 VERIFY_IS_APPROX(m4, m2+m3); 43 44 m3 = m1.template selfadjointView<Lower>(); 45 m4 = m2; 46 m4 -= m1.template selfadjointView<Lower>(); 47 VERIFY_IS_APPROX(m4, m2-m3); 48 } 49 50 void bug_159() 51 { 52 Matrix3d m = Matrix3d::Random().selfadjointView<Lower>(); 53 EIGEN_UNUSED_VARIABLE(m) 54 } 55 56 void test_selfadjoint() 57 { 58 for(int i = 0; i < g_repeat ; i++) 59 { 60 int s = internal::random<int>(1,EIGEN_TEST_MAX_SIZE); 61 62 CALL_SUBTEST_1( selfadjoint(Matrix<float, 1, 1>()) ); 63 CALL_SUBTEST_2( selfadjoint(Matrix<float, 2, 2>()) ); 64 CALL_SUBTEST_3( selfadjoint(Matrix3cf()) ); 65 CALL_SUBTEST_4( selfadjoint(MatrixXcd(s,s)) ); 66 CALL_SUBTEST_5( selfadjoint(Matrix<float,Dynamic,Dynamic,RowMajor>(s, s)) ); 67 68 TEST_SET_BUT_UNUSED_VARIABLE(s) 69 } 70 71 CALL_SUBTEST_1( bug_159() ); 72 } 73
