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@free.fr>
5 // Copyright (C) 2008 Benoit Jacob <jacob.benoit.1@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
parametrizedline(const LineType & _line)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
test_eigen2_parametrizedline()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