mirror of https://github.com/CGAL/cgal
343 lines
7.2 KiB
C
343 lines
7.2 KiB
C
// ==========================================================================
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//
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// Copyright (c) 1998 The CGAL Consortium
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//
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// This software and related documentation is part of an INTERNAL release
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// of the Computational Geometry Algorithms Library (CGAL). It is not
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// intended for general use.
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//
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// --------------------------------------------------------------------------
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//
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// release :
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// release_date :
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//
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// file : include/CGAL/Cartesian/Vector_3.C
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// source : include/CGAL/Cartesian/Vector_3.C
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// revision : $Revision$
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// revision_date : $Date$
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// author : Andreas.Fabri@sophia.inria.fr
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//
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// coordinator : INRIA Sophia-Antipolis (Herve.Bronnimann@sophia.inria.fr)
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//
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// ==========================================================================
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#ifndef CGAL_CARTESIAN_REDEFINE_NAMES_3_H
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#define CGAL_CTAG
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#endif
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#ifdef CGAL_CFG_TYPENAME_BUG
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#define typename
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#endif
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#ifndef CGAL_CARTESIAN_VECTOR_3_C
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#define CGAL_CARTESIAN_VECTOR_3_C
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#ifndef CGAL_CARTESIAN_DIRECTION_3_H
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#include <CGAL/Cartesian/Direction_3.h>
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#endif // CGAL_CARTESIAN_DIRECTION_3_H
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CGAL_BEGIN_NAMESPACE
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template < class R >
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inline _Threetuple<typename VectorC3<R CGAL_CTAG>::FT>*
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VectorC3<R CGAL_CTAG>::ptr() const
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{
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return (_Threetuple<FT>*)PTR;
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}
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template < class R >
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VectorC3<R CGAL_CTAG>::VectorC3()
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{
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PTR = new _Threetuple<FT>(FT(0), FT(0), FT(0));
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}
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template < class R >
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VectorC3<R CGAL_CTAG>::
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VectorC3(const VectorC3<R CGAL_CTAG> &v)
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: Handle(v)
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{}
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template < class R >
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VectorC3<R CGAL_CTAG>::
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VectorC3(const Null_vector &)
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{
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PTR = new _Threetuple<FT>(FT(0), FT(0), FT(0));
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}
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template < class R >
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VectorC3<R CGAL_CTAG>::
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VectorC3(const typename VectorC3<R CGAL_CTAG>::FT &x,
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const typename VectorC3<R CGAL_CTAG>::FT &y,
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const typename VectorC3<R CGAL_CTAG>::FT &z)
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{
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PTR = new _Threetuple<FT>(x, y, z);
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}
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template < class R >
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VectorC3<R CGAL_CTAG>::
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VectorC3(const typename VectorC3<R CGAL_CTAG>::FT &x,
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const typename VectorC3<R CGAL_CTAG>::FT &y,
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const typename VectorC3<R CGAL_CTAG>::FT &z,
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const typename VectorC3<R CGAL_CTAG>::FT &w)
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{
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if (w != FT(1))
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PTR = new _Threetuple<FT>(x/w, y/w, z/w);
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else
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PTR = new _Threetuple<FT>(x, y, z);
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}
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template < class R >
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VectorC3<R CGAL_CTAG>::~VectorC3()
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{}
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template < class R >
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VectorC3<R CGAL_CTAG> &
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VectorC3<R CGAL_CTAG>::operator=(const VectorC3<R CGAL_CTAG> &v)
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{
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Handle::operator=(v);
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return *this;
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}
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template < class R >
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inline
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VectorC3<R CGAL_CTAG>::
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VectorC3(const typename VectorC3<R CGAL_CTAG>::Point_3 &p)
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: Handle((Handle&)p)
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{
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}
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template < class R >
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inline VectorC3<R CGAL_CTAG>::
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VectorC3(const typename VectorC3<R CGAL_CTAG>::Direction_3 &d) :
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Handle((Handle&)d)
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{
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}
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template < class R >
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bool VectorC3<R CGAL_CTAG>::operator==(const VectorC3<R CGAL_CTAG> &v) const
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{
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return (x() == v.x()) && (y() == v.y()) && (z() == v.z()) ;
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}
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template < class R >
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inline bool VectorC3<R CGAL_CTAG>::operator!=(const VectorC3<R CGAL_CTAG> &v) const
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{
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return !(*this == v);
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}
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template < class R >
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bool VectorC3<R CGAL_CTAG>::operator==(const Null_vector &) const
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{
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return (x() == FT(0)) && (y() == FT(0)) && (z() == FT(0)) ;
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}
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template < class R >
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inline bool VectorC3<R CGAL_CTAG>::operator!=(const Null_vector &v) const
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{
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return !(*this == v);
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}
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template < class R >
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inline
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long VectorC3<R CGAL_CTAG>::id() const
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{
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return (long) PTR;
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}
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template < class R >
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inline
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typename VectorC3<R CGAL_CTAG>::FT
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VectorC3<R CGAL_CTAG>::x() const
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{
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return ptr()->e0;
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}
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template < class R >
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inline
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typename VectorC3<R CGAL_CTAG>::FT
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VectorC3<R CGAL_CTAG>::y() const
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{
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return ptr()->e1;
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}
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template < class R >
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inline
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typename VectorC3<R CGAL_CTAG>::FT
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VectorC3<R CGAL_CTAG>::z() const
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{
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return ptr()->e2;
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}
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template < class R >
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inline
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typename VectorC3<R CGAL_CTAG>::FT
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VectorC3<R CGAL_CTAG>::cartesian(int i) const
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{
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CGAL_kernel_precondition( (i>=0) && (i<3) );
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return (i==0) ? x() :
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(i==1) ? y() : z();
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}
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template < class R >
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inline
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typename VectorC3<R CGAL_CTAG>::FT
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VectorC3<R CGAL_CTAG>::operator[](int i) const
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{
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return cartesian(i);
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}
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template < class R >
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inline
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int
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VectorC3<R CGAL_CTAG>::dimension() const
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{
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return 3;
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}
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template < class R >
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inline
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typename VectorC3<R CGAL_CTAG>::FT
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VectorC3<R CGAL_CTAG>::hx() const
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{
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return ptr()->e0;
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}
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template < class R >
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inline
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typename VectorC3<R CGAL_CTAG>::FT
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VectorC3<R CGAL_CTAG>::hy() const
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{
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return ptr()->e1;
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}
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template < class R >
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inline
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typename VectorC3<R CGAL_CTAG>::FT
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VectorC3<R CGAL_CTAG>::hz() const
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{
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return ptr()->e2;
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}
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template < class R >
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typename VectorC3<R CGAL_CTAG>::FT
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VectorC3<R CGAL_CTAG>::hw() const
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{
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return FT(1);
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}
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template < class R >
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typename VectorC3<R CGAL_CTAG>::FT
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VectorC3<R CGAL_CTAG>::homogeneous(int i) const
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{
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return (i==3) ? FT(1) : cartesian(i);
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}
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template < class R >
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inline
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VectorC3<R CGAL_CTAG>
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VectorC3<R CGAL_CTAG>::operator+(const VectorC3<R CGAL_CTAG> &w) const
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{
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return VectorC3<R CGAL_CTAG>(x() + w.x(), y() + w.y(), z() + w.z()) ;
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}
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template < class R >
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inline
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VectorC3<R CGAL_CTAG>
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VectorC3<R CGAL_CTAG>::operator-(const VectorC3<R CGAL_CTAG> &w) const
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{
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return VectorC3<R CGAL_CTAG>(x() - w.x(), y() - w.y(), z() - w.z()) ;
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}
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template < class R >
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inline
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VectorC3<R CGAL_CTAG> VectorC3<R CGAL_CTAG>::operator-() const
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{
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return VectorC3<R CGAL_CTAG>(-x(), -y(), -z()) ;
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}
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template < class R >
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inline
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typename VectorC3<R CGAL_CTAG>::FT
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VectorC3<R CGAL_CTAG>::operator*(const VectorC3<R CGAL_CTAG> &w) const
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{
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return x() * w.x() + y() * w.y() + z() * w.z() ;
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}
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template < class R >
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inline
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VectorC3<R CGAL_CTAG>
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VectorC3<R CGAL_CTAG>::operator/(const typename VectorC3<R CGAL_CTAG>::FT &c) const
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{
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return VectorC3<R CGAL_CTAG>( x()/c, y()/c, z()/c) ;
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}
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template < class R >
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inline
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typename VectorC3<R CGAL_CTAG>::Direction_3
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VectorC3<R CGAL_CTAG>::direction() const
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{
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return Direction_3(*this);
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}
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template < class R >
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VectorC3<R CGAL_CTAG>
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VectorC3<R CGAL_CTAG>::
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transform(const typename VectorC3<R CGAL_CTAG>::Aff_transformation_3 &t) const
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{
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return t.transform(*this);
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}
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#ifndef CGAL_CARTESIAN_NO_OSTREAM_INSERT_VECTORC3
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template < class R >
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std::ostream &operator<<(std::ostream &os, const VectorC3<R CGAL_CTAG> &v)
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{
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switch(os.iword(IO::mode)) {
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case IO::ASCII :
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return os << v.x() << ' ' << v.y() << ' ' << v.z();
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case IO::BINARY :
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write(os, v.x());
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write(os, v.y());
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write(os, v.z());
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return os;
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default:
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os << "VectorC3(" << v.x() << ", " << v.y() << ", " << v.z() << ")";
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return os;
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}
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}
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#endif // CGAL_CARTESIAN_NO_OSTREAM_INSERT_VECTORC3
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#ifndef CGAL_CARTESIAN_NO_ISTREAM_EXTRACT_VECTORC3
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template < class R >
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std::istream &operator>>(std::istream &is, VectorC3<R CGAL_CTAG> &p)
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{
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typename VectorC3<R CGAL_CTAG>::FT x, y, z;
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switch(is.iword(IO::mode)) {
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case IO::ASCII :
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is >> x >> y >> z;
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break;
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case IO::BINARY :
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read(is, x);
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read(is, y);
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read(is, z);
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break;
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default:
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std::cerr << "" << std::endl;
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std::cerr << "Stream must be in ascii or binary mode" << std::endl;
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break;
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}
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p = VectorC3<R CGAL_CTAG>(x, y, z);
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return is;
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}
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#endif // CGAL_CARTESIAN_NO_ISTREAM_EXTRACT_VECTORC3
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CGAL_END_NAMESPACE
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#ifdef CGAL_CFG_TYPENAME_BUG
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#undef typename
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#endif
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#endif // CGAL_CARTESIAN_VECTOR_3_C
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