diff options
Diffstat (limited to 'eigen/test/eigen2/eigen2_parametrizedline.cpp')
-rw-r--r-- | eigen/test/eigen2/eigen2_parametrizedline.cpp | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/eigen/test/eigen2/eigen2_parametrizedline.cpp b/eigen/test/eigen2/eigen2_parametrizedline.cpp new file mode 100644 index 0000000..8147288 --- /dev/null +++ b/eigen/test/eigen2/eigen2_parametrizedline.cpp @@ -0,0 +1,62 @@ +// This file is part of Eigen, a lightweight C++ template library +// for linear algebra. Eigen itself is part of the KDE project. +// +// Copyright (C) 2008 Gael Guennebaud <g.gael@free.fr> +// Copyright (C) 2008 Benoit Jacob <jacob.benoit.1@gmail.com> +// +// This Source Code Form is subject to the terms of the Mozilla +// Public License v. 2.0. If a copy of the MPL was not distributed +// with this file, You can obtain one at http://mozilla.org/MPL/2.0/. + +#include "main.h" +#include <Eigen/Geometry> +#include <Eigen/LU> +#include <Eigen/QR> + +template<typename LineType> void parametrizedline(const LineType& _line) +{ + /* this test covers the following files: + ParametrizedLine.h + */ + + const int dim = _line.dim(); + typedef typename LineType::Scalar Scalar; + typedef typename NumTraits<Scalar>::Real RealScalar; + typedef Matrix<Scalar, LineType::AmbientDimAtCompileTime, 1> VectorType; + typedef Matrix<Scalar, LineType::AmbientDimAtCompileTime, + LineType::AmbientDimAtCompileTime> MatrixType; + + VectorType p0 = VectorType::Random(dim); + VectorType p1 = VectorType::Random(dim); + + VectorType d0 = VectorType::Random(dim).normalized(); + + LineType l0(p0, d0); + + Scalar s0 = ei_random<Scalar>(); + Scalar s1 = ei_abs(ei_random<Scalar>()); + + VERIFY_IS_MUCH_SMALLER_THAN( l0.distance(p0), RealScalar(1) ); + VERIFY_IS_MUCH_SMALLER_THAN( l0.distance(p0+s0*d0), RealScalar(1) ); + VERIFY_IS_APPROX( (l0.projection(p1)-p1).norm(), l0.distance(p1) ); + VERIFY_IS_MUCH_SMALLER_THAN( l0.distance(l0.projection(p1)), RealScalar(1) ); + VERIFY_IS_APPROX( Scalar(l0.distance((p0+s0*d0) + d0.unitOrthogonal() * s1)), s1 ); + + // casting + const int Dim = LineType::AmbientDimAtCompileTime; + typedef typename GetDifferentType<Scalar>::type OtherScalar; + ParametrizedLine<OtherScalar,Dim> hp1f = l0.template cast<OtherScalar>(); + VERIFY_IS_APPROX(hp1f.template cast<Scalar>(),l0); + ParametrizedLine<Scalar,Dim> hp1d = l0.template cast<Scalar>(); + VERIFY_IS_APPROX(hp1d.template cast<Scalar>(),l0); +} + +void test_eigen2_parametrizedline() +{ + for(int i = 0; i < g_repeat; i++) { + CALL_SUBTEST_1( parametrizedline(ParametrizedLine<float,2>()) ); + CALL_SUBTEST_2( parametrizedline(ParametrizedLine<float,3>()) ); + CALL_SUBTEST_3( parametrizedline(ParametrizedLine<double,4>()) ); + CALL_SUBTEST_4( parametrizedline(ParametrizedLine<std::complex<double>,5>()) ); + } +} |