mirror of
https://gitlab.com/libeigen/eigen.git
synced 2024-12-21 07:19:46 +08:00
110 lines
4.2 KiB
C++
110 lines
4.2 KiB
C++
// This file is part of Eigen, a lightweight C++ template library
|
|
// for linear algebra.
|
|
//
|
|
// Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.fr>
|
|
// Copyright (C) 2008 Benoit Jacob <jacob.benoit.1@gmail.com>
|
|
//
|
|
// Eigen is free software; you can redistribute it and/or
|
|
// modify it under the terms of the GNU Lesser General Public
|
|
// License as published by the Free Software Foundation; either
|
|
// version 3 of the License, or (at your option) any later version.
|
|
//
|
|
// Alternatively, you can redistribute it and/or
|
|
// modify it under the terms of the GNU General Public License as
|
|
// published by the Free Software Foundation; either version 2 of
|
|
// the License, or (at your option) any later version.
|
|
//
|
|
// Eigen is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
|
// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License or the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public
|
|
// License and a copy of the GNU General Public License along with
|
|
// Eigen. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
#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
|
|
*/
|
|
typedef typename LineType::Index Index;
|
|
const Index 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 = internal::random<Scalar>();
|
|
Scalar s1 = internal::abs(internal::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);
|
|
}
|
|
|
|
template<typename Scalar> void parametrizedline_alignment()
|
|
{
|
|
typedef ParametrizedLine<Scalar,4,AutoAlign> Line4a;
|
|
typedef ParametrizedLine<Scalar,4,DontAlign> Line4u;
|
|
|
|
EIGEN_ALIGN16 Scalar array1[8];
|
|
EIGEN_ALIGN16 Scalar array2[8];
|
|
EIGEN_ALIGN16 Scalar array3[8+1];
|
|
Scalar* array3u = array3+1;
|
|
|
|
Line4a *p1 = ::new(reinterpret_cast<void*>(array1)) Line4a;
|
|
Line4u *p2 = ::new(reinterpret_cast<void*>(array2)) Line4u;
|
|
Line4u *p3 = ::new(reinterpret_cast<void*>(array3u)) Line4u;
|
|
|
|
p1->origin().setRandom();
|
|
p1->direction().setRandom();
|
|
*p2 = *p1;
|
|
*p3 = *p1;
|
|
|
|
VERIFY_IS_APPROX(p1->origin(), p2->origin());
|
|
VERIFY_IS_APPROX(p1->origin(), p3->origin());
|
|
VERIFY_IS_APPROX(p1->direction(), p2->direction());
|
|
VERIFY_IS_APPROX(p1->direction(), p3->direction());
|
|
|
|
#if defined(EIGEN_VECTORIZE) && EIGEN_ALIGN_STATICALLY
|
|
if(internal::packet_traits<Scalar>::Vectorizable)
|
|
VERIFY_RAISES_ASSERT((::new(reinterpret_cast<void*>(array3u)) Line4a));
|
|
#endif
|
|
}
|
|
|
|
void test_geo_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_2( parametrizedline_alignment<float>() );
|
|
CALL_SUBTEST_3( parametrizedline(ParametrizedLine<double,4>()) );
|
|
CALL_SUBTEST_3( parametrizedline_alignment<double>() );
|
|
CALL_SUBTEST_4( parametrizedline(ParametrizedLine<std::complex<double>,5>()) );
|
|
}
|
|
}
|