From 44861dcbfeee041223c4aac1ee075e92fa4daa01 Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Sun, 18 Sep 2016 12:42:15 +0200
Subject: update

---
 eigen/test/geo_parametrizedline.cpp | 104 ++++++++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 eigen/test/geo_parametrizedline.cpp

(limited to 'eigen/test/geo_parametrizedline.cpp')

diff --git a/eigen/test/geo_parametrizedline.cpp b/eigen/test/geo_parametrizedline.cpp
new file mode 100644
index 0000000..f0462d4
--- /dev/null
+++ b/eigen/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>()) );
+  }
+}
-- 
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