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Diffstat (limited to 'eigen/Eigen/src/Eigen2Support/Geometry/AlignedBox.h')
-rw-r--r-- | eigen/Eigen/src/Eigen2Support/Geometry/AlignedBox.h | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/eigen/Eigen/src/Eigen2Support/Geometry/AlignedBox.h b/eigen/Eigen/src/Eigen2Support/Geometry/AlignedBox.h deleted file mode 100644 index 2e4309d..0000000 --- a/eigen/Eigen/src/Eigen2Support/Geometry/AlignedBox.h +++ /dev/null @@ -1,159 +0,0 @@ -// This file is part of Eigen, a lightweight C++ template library -// for linear algebra. -// -// Copyright (C) 2008 Gael Guennebaud <g.gael@free.fr> -// -// 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/. - -// no include guard, we'll include this twice from All.h from Eigen2Support, and it's internal anyway - -namespace Eigen { - -/** \geometry_module \ingroup Geometry_Module - * \nonstableyet - * - * \class AlignedBox - * - * \brief An axis aligned box - * - * \param _Scalar the type of the scalar coefficients - * \param _AmbientDim the dimension of the ambient space, can be a compile time value or Dynamic. - * - * This class represents an axis aligned box as a pair of the minimal and maximal corners. - */ -template <typename _Scalar, int _AmbientDim> -class AlignedBox -{ -public: -EIGEN_MAKE_ALIGNED_OPERATOR_NEW_IF_VECTORIZABLE_FIXED_SIZE(_Scalar,_AmbientDim==Dynamic ? Dynamic : _AmbientDim+1) - enum { AmbientDimAtCompileTime = _AmbientDim }; - typedef _Scalar Scalar; - typedef typename NumTraits<Scalar>::Real RealScalar; - typedef Matrix<Scalar,AmbientDimAtCompileTime,1> VectorType; - - /** Default constructor initializing a null box. */ - inline AlignedBox() - { if (AmbientDimAtCompileTime!=Dynamic) setNull(); } - - /** Constructs a null box with \a _dim the dimension of the ambient space. */ - inline explicit AlignedBox(int _dim) : m_min(_dim), m_max(_dim) - { setNull(); } - - /** Constructs a box with extremities \a _min and \a _max. */ - inline AlignedBox(const VectorType& _min, const VectorType& _max) : m_min(_min), m_max(_max) {} - - /** Constructs a box containing a single point \a p. */ - inline explicit AlignedBox(const VectorType& p) : m_min(p), m_max(p) {} - - ~AlignedBox() {} - - /** \returns the dimension in which the box holds */ - inline int dim() const { return AmbientDimAtCompileTime==Dynamic ? m_min.size()-1 : AmbientDimAtCompileTime; } - - /** \returns true if the box is null, i.e, empty. */ - inline bool isNull() const { return (m_min.cwise() > m_max).any(); } - - /** Makes \c *this a null/empty box. */ - inline void setNull() - { - m_min.setConstant( (std::numeric_limits<Scalar>::max)()); - m_max.setConstant(-(std::numeric_limits<Scalar>::max)()); - } - - /** \returns the minimal corner */ - inline const VectorType& (min)() const { return m_min; } - /** \returns a non const reference to the minimal corner */ - inline VectorType& (min)() { return m_min; } - /** \returns the maximal corner */ - inline const VectorType& (max)() const { return m_max; } - /** \returns a non const reference to the maximal corner */ - inline VectorType& (max)() { return m_max; } - - /** \returns true if the point \a p is inside the box \c *this. */ - inline bool contains(const VectorType& p) const - { return (m_min.cwise()<=p).all() && (p.cwise()<=m_max).all(); } - - /** \returns true if the box \a b is entirely inside the box \c *this. */ - inline bool contains(const AlignedBox& b) const - { return (m_min.cwise()<=(b.min)()).all() && ((b.max)().cwise()<=m_max).all(); } - - /** Extends \c *this such that it contains the point \a p and returns a reference to \c *this. */ - inline AlignedBox& extend(const VectorType& p) - { m_min = (m_min.cwise().min)(p); m_max = (m_max.cwise().max)(p); return *this; } - - /** Extends \c *this such that it contains the box \a b and returns a reference to \c *this. */ - inline AlignedBox& extend(const AlignedBox& b) - { m_min = (m_min.cwise().min)(b.m_min); m_max = (m_max.cwise().max)(b.m_max); return *this; } - - /** Clamps \c *this by the box \a b and returns a reference to \c *this. */ - inline AlignedBox& clamp(const AlignedBox& b) - { m_min = (m_min.cwise().max)(b.m_min); m_max = (m_max.cwise().min)(b.m_max); return *this; } - - /** Translate \c *this by the vector \a t and returns a reference to \c *this. */ - inline AlignedBox& translate(const VectorType& t) - { m_min += t; m_max += t; return *this; } - - /** \returns the squared distance between the point \a p and the box \c *this, - * and zero if \a p is inside the box. - * \sa exteriorDistance() - */ - inline Scalar squaredExteriorDistance(const VectorType& p) const; - - /** \returns the distance between the point \a p and the box \c *this, - * and zero if \a p is inside the box. - * \sa squaredExteriorDistance() - */ - inline Scalar exteriorDistance(const VectorType& p) const - { return ei_sqrt(squaredExteriorDistance(p)); } - - /** \returns \c *this with scalar type casted to \a NewScalarType - * - * Note that if \a NewScalarType is equal to the current scalar type of \c *this - * then this function smartly returns a const reference to \c *this. - */ - template<typename NewScalarType> - inline typename internal::cast_return_type<AlignedBox, - AlignedBox<NewScalarType,AmbientDimAtCompileTime> >::type cast() const - { - return typename internal::cast_return_type<AlignedBox, - AlignedBox<NewScalarType,AmbientDimAtCompileTime> >::type(*this); - } - - /** Copy constructor with scalar type conversion */ - template<typename OtherScalarType> - inline explicit AlignedBox(const AlignedBox<OtherScalarType,AmbientDimAtCompileTime>& other) - { - m_min = (other.min)().template cast<Scalar>(); - m_max = (other.max)().template cast<Scalar>(); - } - - /** \returns \c true if \c *this is approximately equal to \a other, within the precision - * determined by \a prec. - * - * \sa MatrixBase::isApprox() */ - bool isApprox(const AlignedBox& other, typename NumTraits<Scalar>::Real prec = precision<Scalar>()) const - { return m_min.isApprox(other.m_min, prec) && m_max.isApprox(other.m_max, prec); } - -protected: - - VectorType m_min, m_max; -}; - -template<typename Scalar,int AmbiantDim> -inline Scalar AlignedBox<Scalar,AmbiantDim>::squaredExteriorDistance(const VectorType& p) const -{ - Scalar dist2(0); - Scalar aux; - for (int k=0; k<dim(); ++k) - { - if ((aux = (p[k]-m_min[k]))<Scalar(0)) - dist2 += aux*aux; - else if ( (aux = (m_max[k]-p[k]))<Scalar(0)) - dist2 += aux*aux; - } - return dist2; -} - -} // end namespace Eigen |