Narayan Kamath | c981c48 | 2012-11-02 10:59:05 +0000 | [diff] [blame] | 1 | // This file is part of Eigen, a lightweight C++ template library |
| 2 | // for linear algebra. |
| 3 | // |
| 4 | // Copyright (C) 2008-2009 Gael Guennebaud <gael.guennebaud@inria.fr> |
| 5 | // |
| 6 | // This Source Code Form is subject to the terms of the Mozilla |
| 7 | // Public License v. 2.0. If a copy of the MPL was not distributed |
| 8 | // with this file, You can obtain one at http://mozilla.org/MPL/2.0/. |
| 9 | |
| 10 | #include "main.h" |
| 11 | #include <Eigen/Geometry> |
| 12 | #include <Eigen/LU> |
| 13 | #include <Eigen/QR> |
| 14 | |
| 15 | #include<iostream> |
| 16 | using namespace std; |
| 17 | |
Carlos Hernandez | 7faaa9f | 2014-08-05 17:53:32 -0700 | [diff] [blame] | 18 | template<typename T> EIGEN_DONT_INLINE |
| 19 | void kill_extra_precision(T& x) { eigen_assert(&x != 0); } |
| 20 | |
| 21 | |
Narayan Kamath | c981c48 | 2012-11-02 10:59:05 +0000 | [diff] [blame] | 22 | template<typename BoxType> void alignedbox(const BoxType& _box) |
| 23 | { |
| 24 | /* this test covers the following files: |
| 25 | AlignedBox.h |
| 26 | */ |
| 27 | typedef typename BoxType::Index Index; |
| 28 | typedef typename BoxType::Scalar Scalar; |
| 29 | typedef typename NumTraits<Scalar>::Real RealScalar; |
| 30 | typedef Matrix<Scalar, BoxType::AmbientDimAtCompileTime, 1> VectorType; |
| 31 | |
| 32 | const Index dim = _box.dim(); |
| 33 | |
| 34 | VectorType p0 = VectorType::Random(dim); |
| 35 | VectorType p1 = VectorType::Random(dim); |
| 36 | while( p1 == p0 ){ |
| 37 | p1 = VectorType::Random(dim); } |
| 38 | RealScalar s1 = internal::random<RealScalar>(0,1); |
| 39 | |
| 40 | BoxType b0(dim); |
| 41 | BoxType b1(VectorType::Random(dim),VectorType::Random(dim)); |
| 42 | BoxType b2; |
Carlos Hernandez | 7faaa9f | 2014-08-05 17:53:32 -0700 | [diff] [blame] | 43 | |
| 44 | kill_extra_precision(b1); |
| 45 | kill_extra_precision(p0); |
| 46 | kill_extra_precision(p1); |
Narayan Kamath | c981c48 | 2012-11-02 10:59:05 +0000 | [diff] [blame] | 47 | |
| 48 | b0.extend(p0); |
| 49 | b0.extend(p1); |
| 50 | VERIFY(b0.contains(p0*s1+(Scalar(1)-s1)*p1)); |
| 51 | |
| 52 | (b2 = b0).extend(b1); |
| 53 | VERIFY(b2.contains(b0)); |
| 54 | VERIFY(b2.contains(b1)); |
| 55 | VERIFY_IS_APPROX(b2.clamp(b0), b0); |
| 56 | |
| 57 | |
| 58 | // alignment -- make sure there is no memory alignment assertion |
| 59 | BoxType *bp0 = new BoxType(dim); |
| 60 | BoxType *bp1 = new BoxType(dim); |
| 61 | bp0->extend(*bp1); |
| 62 | delete bp0; |
| 63 | delete bp1; |
| 64 | |
| 65 | // sampling |
| 66 | for( int i=0; i<10; ++i ) |
| 67 | { |
| 68 | VectorType r = b0.sample(); |
| 69 | VERIFY(b0.contains(r)); |
| 70 | } |
| 71 | |
| 72 | } |
| 73 | |
| 74 | |
| 75 | |
| 76 | template<typename BoxType> |
| 77 | void alignedboxCastTests(const BoxType& _box) |
| 78 | { |
| 79 | // casting |
| 80 | typedef typename BoxType::Index Index; |
| 81 | typedef typename BoxType::Scalar Scalar; |
Narayan Kamath | c981c48 | 2012-11-02 10:59:05 +0000 | [diff] [blame] | 82 | typedef Matrix<Scalar, BoxType::AmbientDimAtCompileTime, 1> VectorType; |
| 83 | |
| 84 | const Index dim = _box.dim(); |
| 85 | |
| 86 | VectorType p0 = VectorType::Random(dim); |
| 87 | VectorType p1 = VectorType::Random(dim); |
| 88 | |
| 89 | BoxType b0(dim); |
| 90 | |
| 91 | b0.extend(p0); |
| 92 | b0.extend(p1); |
| 93 | |
| 94 | const int Dim = BoxType::AmbientDimAtCompileTime; |
| 95 | typedef typename GetDifferentType<Scalar>::type OtherScalar; |
| 96 | AlignedBox<OtherScalar,Dim> hp1f = b0.template cast<OtherScalar>(); |
| 97 | VERIFY_IS_APPROX(hp1f.template cast<Scalar>(),b0); |
| 98 | AlignedBox<Scalar,Dim> hp1d = b0.template cast<Scalar>(); |
| 99 | VERIFY_IS_APPROX(hp1d.template cast<Scalar>(),b0); |
| 100 | } |
| 101 | |
| 102 | |
| 103 | void specificTest1() |
| 104 | { |
| 105 | Vector2f m; m << -1.0f, -2.0f; |
| 106 | Vector2f M; M << 1.0f, 5.0f; |
| 107 | |
| 108 | typedef AlignedBox2f BoxType; |
| 109 | BoxType box( m, M ); |
| 110 | |
| 111 | Vector2f sides = M-m; |
| 112 | VERIFY_IS_APPROX(sides, box.sizes() ); |
| 113 | VERIFY_IS_APPROX(sides[1], box.sizes()[1] ); |
| 114 | VERIFY_IS_APPROX(sides[1], box.sizes().maxCoeff() ); |
| 115 | VERIFY_IS_APPROX(sides[0], box.sizes().minCoeff() ); |
| 116 | |
| 117 | VERIFY_IS_APPROX( 14.0f, box.volume() ); |
| 118 | VERIFY_IS_APPROX( 53.0f, box.diagonal().squaredNorm() ); |
Carlos Hernandez | 7faaa9f | 2014-08-05 17:53:32 -0700 | [diff] [blame] | 119 | VERIFY_IS_APPROX( std::sqrt( 53.0f ), box.diagonal().norm() ); |
Narayan Kamath | c981c48 | 2012-11-02 10:59:05 +0000 | [diff] [blame] | 120 | |
| 121 | VERIFY_IS_APPROX( m, box.corner( BoxType::BottomLeft ) ); |
| 122 | VERIFY_IS_APPROX( M, box.corner( BoxType::TopRight ) ); |
| 123 | Vector2f bottomRight; bottomRight << M[0], m[1]; |
| 124 | Vector2f topLeft; topLeft << m[0], M[1]; |
| 125 | VERIFY_IS_APPROX( bottomRight, box.corner( BoxType::BottomRight ) ); |
| 126 | VERIFY_IS_APPROX( topLeft, box.corner( BoxType::TopLeft ) ); |
| 127 | } |
| 128 | |
| 129 | |
| 130 | void specificTest2() |
| 131 | { |
| 132 | Vector3i m; m << -1, -2, 0; |
| 133 | Vector3i M; M << 1, 5, 3; |
| 134 | |
| 135 | typedef AlignedBox3i BoxType; |
| 136 | BoxType box( m, M ); |
| 137 | |
| 138 | Vector3i sides = M-m; |
| 139 | VERIFY_IS_APPROX(sides, box.sizes() ); |
| 140 | VERIFY_IS_APPROX(sides[1], box.sizes()[1] ); |
| 141 | VERIFY_IS_APPROX(sides[1], box.sizes().maxCoeff() ); |
| 142 | VERIFY_IS_APPROX(sides[0], box.sizes().minCoeff() ); |
| 143 | |
| 144 | VERIFY_IS_APPROX( 42, box.volume() ); |
| 145 | VERIFY_IS_APPROX( 62, box.diagonal().squaredNorm() ); |
| 146 | |
| 147 | VERIFY_IS_APPROX( m, box.corner( BoxType::BottomLeftFloor ) ); |
| 148 | VERIFY_IS_APPROX( M, box.corner( BoxType::TopRightCeil ) ); |
| 149 | Vector3i bottomRightFloor; bottomRightFloor << M[0], m[1], m[2]; |
| 150 | Vector3i topLeftFloor; topLeftFloor << m[0], M[1], m[2]; |
| 151 | VERIFY_IS_APPROX( bottomRightFloor, box.corner( BoxType::BottomRightFloor ) ); |
| 152 | VERIFY_IS_APPROX( topLeftFloor, box.corner( BoxType::TopLeftFloor ) ); |
| 153 | } |
| 154 | |
| 155 | |
| 156 | void test_geo_alignedbox() |
| 157 | { |
| 158 | for(int i = 0; i < g_repeat; i++) |
| 159 | { |
| 160 | CALL_SUBTEST_1( alignedbox(AlignedBox2f()) ); |
| 161 | CALL_SUBTEST_2( alignedboxCastTests(AlignedBox2f()) ); |
| 162 | |
| 163 | CALL_SUBTEST_3( alignedbox(AlignedBox3f()) ); |
| 164 | CALL_SUBTEST_4( alignedboxCastTests(AlignedBox3f()) ); |
| 165 | |
| 166 | CALL_SUBTEST_5( alignedbox(AlignedBox4d()) ); |
| 167 | CALL_SUBTEST_6( alignedboxCastTests(AlignedBox4d()) ); |
| 168 | |
| 169 | CALL_SUBTEST_7( alignedbox(AlignedBox1d()) ); |
| 170 | CALL_SUBTEST_8( alignedboxCastTests(AlignedBox1d()) ); |
| 171 | |
| 172 | CALL_SUBTEST_9( alignedbox(AlignedBox1i()) ); |
| 173 | CALL_SUBTEST_10( alignedbox(AlignedBox2i()) ); |
| 174 | CALL_SUBTEST_11( alignedbox(AlignedBox3i()) ); |
| 175 | } |
| 176 | CALL_SUBTEST_12( specificTest1() ); |
| 177 | CALL_SUBTEST_13( specificTest2() ); |
| 178 | } |