[136] | 1 | // This file is part of Eigen, a lightweight C++ template library
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| 2 | // for linear algebra. Eigen itself is part of the KDE project.
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| 3 | //
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| 4 | // Copyright (C) 2008 Gael Guennebaud <g.gael@free.fr>
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| 5 | // Copyright (C) 2008 Benoit Jacob <jacob.benoit.1@gmail.com>
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| 6 | //
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| 7 | // This Source Code Form is subject to the terms of the Mozilla
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| 8 | // Public License v. 2.0. If a copy of the MPL was not distributed
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| 9 | // with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
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| 10 |
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| 11 | #include "main.h"
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| 12 | #include <Eigen/Geometry>
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| 13 | #include <Eigen/LU>
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| 14 | #include <Eigen/QR>
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| 15 |
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| 16 | template<typename LineType> void parametrizedline(const LineType& _line)
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| 17 | {
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| 18 | /* this test covers the following files:
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| 19 | ParametrizedLine.h
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| 20 | */
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| 21 |
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| 22 | const int dim = _line.dim();
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| 23 | typedef typename LineType::Scalar Scalar;
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| 24 | typedef typename NumTraits<Scalar>::Real RealScalar;
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| 25 | typedef Matrix<Scalar, LineType::AmbientDimAtCompileTime, 1> VectorType;
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| 26 | typedef Matrix<Scalar, LineType::AmbientDimAtCompileTime,
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| 27 | LineType::AmbientDimAtCompileTime> MatrixType;
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| 28 |
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| 29 | VectorType p0 = VectorType::Random(dim);
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| 30 | VectorType p1 = VectorType::Random(dim);
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| 31 |
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| 32 | VectorType d0 = VectorType::Random(dim).normalized();
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| 33 |
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| 34 | LineType l0(p0, d0);
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| 35 |
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| 36 | Scalar s0 = ei_random<Scalar>();
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| 37 | Scalar s1 = ei_abs(ei_random<Scalar>());
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| 38 |
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| 39 | VERIFY_IS_MUCH_SMALLER_THAN( l0.distance(p0), RealScalar(1) );
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| 40 | VERIFY_IS_MUCH_SMALLER_THAN( l0.distance(p0+s0*d0), RealScalar(1) );
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| 41 | VERIFY_IS_APPROX( (l0.projection(p1)-p1).norm(), l0.distance(p1) );
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| 42 | VERIFY_IS_MUCH_SMALLER_THAN( l0.distance(l0.projection(p1)), RealScalar(1) );
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| 43 | VERIFY_IS_APPROX( Scalar(l0.distance((p0+s0*d0) + d0.unitOrthogonal() * s1)), s1 );
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| 44 |
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| 45 | // casting
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| 46 | const int Dim = LineType::AmbientDimAtCompileTime;
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| 47 | typedef typename GetDifferentType<Scalar>::type OtherScalar;
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| 48 | ParametrizedLine<OtherScalar,Dim> hp1f = l0.template cast<OtherScalar>();
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| 49 | VERIFY_IS_APPROX(hp1f.template cast<Scalar>(),l0);
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| 50 | ParametrizedLine<Scalar,Dim> hp1d = l0.template cast<Scalar>();
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| 51 | VERIFY_IS_APPROX(hp1d.template cast<Scalar>(),l0);
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| 52 | }
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| 53 |
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| 54 | void test_eigen2_parametrizedline()
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| 55 | {
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| 56 | for(int i = 0; i < g_repeat; i++) {
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| 57 | CALL_SUBTEST_1( parametrizedline(ParametrizedLine<float,2>()) );
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| 58 | CALL_SUBTEST_2( parametrizedline(ParametrizedLine<float,3>()) );
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| 59 | CALL_SUBTEST_3( parametrizedline(ParametrizedLine<double,4>()) );
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| 60 | CALL_SUBTEST_4( parametrizedline(ParametrizedLine<std::complex<double>,5>()) );
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| 61 | }
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| 62 | }
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