1 // This file is part of Eigen, a lightweight C++ template library 2 // for linear algebra. Eigen itself is part of the KDE project. 3 // 4 // Copyright (C) 2008 Gael Guennebaud <g.gael (at) free.fr> 5 // Copyright (C) 2008 Benoit Jacob <jacob.benoit.1 (at) gmail.com> 6 // 7 // This Source Code Form is subject to the terms of the Mozilla 8 // Public License v. 2.0. If a copy of the MPL was not distributed 9 // with this file, You can obtain one at http://mozilla.org/MPL/2.0/. 10 11 #include "main.h" 12 #include <Eigen/Geometry> 13 #include <Eigen/LU> 14 #include <Eigen/QR> 15 16 template<typename LineType> void parametrizedline(const LineType& _line) 17 { 18 /* this test covers the following files: 19 ParametrizedLine.h 20 */ 21 22 const int dim = _line.dim(); 23 typedef typename LineType::Scalar Scalar; 24 typedef typename NumTraits<Scalar>::Real RealScalar; 25 typedef Matrix<Scalar, LineType::AmbientDimAtCompileTime, 1> VectorType; 26 typedef Matrix<Scalar, LineType::AmbientDimAtCompileTime, 27 LineType::AmbientDimAtCompileTime> MatrixType; 28 29 VectorType p0 = VectorType::Random(dim); 30 VectorType p1 = VectorType::Random(dim); 31 32 VectorType d0 = VectorType::Random(dim).normalized(); 33 34 LineType l0(p0, d0); 35 36 Scalar s0 = ei_random<Scalar>(); 37 Scalar s1 = ei_abs(ei_random<Scalar>()); 38 39 VERIFY_IS_MUCH_SMALLER_THAN( l0.distance(p0), RealScalar(1) ); 40 VERIFY_IS_MUCH_SMALLER_THAN( l0.distance(p0+s0*d0), RealScalar(1) ); 41 VERIFY_IS_APPROX( (l0.projection(p1)-p1).norm(), l0.distance(p1) ); 42 VERIFY_IS_MUCH_SMALLER_THAN( l0.distance(l0.projection(p1)), RealScalar(1) ); 43 VERIFY_IS_APPROX( Scalar(l0.distance((p0+s0*d0) + d0.unitOrthogonal() * s1)), s1 ); 44 45 // casting 46 const int Dim = LineType::AmbientDimAtCompileTime; 47 typedef typename GetDifferentType<Scalar>::type OtherScalar; 48 ParametrizedLine<OtherScalar,Dim> hp1f = l0.template cast<OtherScalar>(); 49 VERIFY_IS_APPROX(hp1f.template cast<Scalar>(),l0); 50 ParametrizedLine<Scalar,Dim> hp1d = l0.template cast<Scalar>(); 51 VERIFY_IS_APPROX(hp1d.template cast<Scalar>(),l0); 52 } 53 54 void test_eigen2_parametrizedline() 55 { 56 for(int i = 0; i < g_repeat; i++) { 57 CALL_SUBTEST_1( parametrizedline(ParametrizedLine<float,2>()) ); 58 CALL_SUBTEST_2( parametrizedline(ParametrizedLine<float,3>()) ); 59 CALL_SUBTEST_3( parametrizedline(ParametrizedLine<double,4>()) ); 60 CALL_SUBTEST_4( parametrizedline(ParametrizedLine<std::complex<double>,5>()) ); 61 } 62 } 63
