Squashed 'third_party/eigen/' content from commit 61d72f6
Change-Id: Iccc90fa0b55ab44037f018046d2fcffd90d9d025
git-subtree-dir: third_party/eigen
git-subtree-split: 61d72f6383cfa842868c53e30e087b0258177257
diff --git a/test/geo_parametrizedline.cpp b/test/geo_parametrizedline.cpp
new file mode 100644
index 0000000..f0462d4
--- /dev/null
+++ b/test/geo_parametrizedline.cpp
@@ -0,0 +1,104 @@
+// 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>
+//
+// 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
+ */
+ using std::abs;
+ 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 Hyperplane<Scalar,LineType::AmbientDimAtCompileTime> HyperplaneType;
+
+ 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 = 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);
+
+ // intersections
+ VectorType p2 = VectorType::Random(dim);
+ VectorType n2 = VectorType::Random(dim).normalized();
+ HyperplaneType hp(p2,n2);
+ Scalar t = l0.intersectionParameter(hp);
+ VectorType pi = l0.pointAt(t);
+ VERIFY_IS_MUCH_SMALLER_THAN(hp.signedDistance(pi), RealScalar(1));
+ VERIFY_IS_MUCH_SMALLER_THAN(l0.distance(pi), RealScalar(1));
+ VERIFY_IS_APPROX(l0.intersectionPoint(hp), pi);
+}
+
+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>()) );
+ }
+}