120ca87015
git-svn-id: https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk@5000 e8eeb9e2-ec13-0410-a4a9-efa5cf37419d
115 lines
3.6 KiB
C++
115 lines
3.6 KiB
C++
// Wild Magic Source Code
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// David Eberly
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// http://www.geometrictools.com
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// Copyright (c) 1998-2007
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//
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// This library is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation; either version 2.1 of the License, or (at
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// your option) any later version. The license is available for reading at
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// either of the locations:
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// http://www.gnu.org/copyleft/lgpl.html
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// http://www.geometrictools.com/License/WildMagicLicense.pdf
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// The license applies to versions 0 through 4 of Wild Magic.
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//
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// Version: 4.0.0 (2006/06/28)
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#ifndef WM4RVECTOR2_H
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#define WM4RVECTOR2_H
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#include "Wm4FoundationLIB.h"
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#include "Wm4TRVector.h"
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namespace Wm4
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{
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template <int ISIZE>
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class RVector2 : public TRVector<2,ISIZE>
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{
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public:
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// construction
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RVector2 ();
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RVector2 (const RVector2& rkV);
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#ifdef WM4_USING_VC70
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RVector2 (const TRVector<2,ISIZE>& rkV)
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{
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// The inline body is here because of an apparent MSVC++ .NET 2002
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// compiler bug. If placed in the *.inl file, the compiler complains:
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//
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// error C2244: 'Wm4::RVector2<>::__ctor' : unable to match function
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// definition to an existing declaration
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// definition
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// 'Wm4::RVector2<>::RVector2(const Wm4::TRVector<2,> &)'
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// existing declarations
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// 'Wm4::RVector2<>::RVector2(const Wm4::TRational<> &,
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// const Wm4::TRational<> &)'
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// 'Wm4::RVector2<>::RVector2(const Wm4::TRVector<2,> &)'
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// 'Wm4::RVector2<>::RVector2(const Wm4::RVector2<> &)'
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// 'Wm4::RVector2<>::RVector2(void)'
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// The "definition" is in the "existing declarations" list, so I do
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// not know what the compiler is complaining about.
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m_akTuple[0] = rkV[0];
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m_akTuple[1] = rkV[1];
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}
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#else
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RVector2 (const TRVector<2,ISIZE>& rkV);
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#endif
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RVector2 (const TRational<ISIZE>& rkX, const TRational<ISIZE>& rkY);
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// member access
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TRational<ISIZE> X () const;
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TRational<ISIZE>& X ();
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TRational<ISIZE> Y () const;
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TRational<ISIZE>& Y ();
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// assignment
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RVector2& operator= (const RVector2& rkV);
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#ifdef WM4_USING_VC70
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RVector2& operator= (const TRVector<2,ISIZE>& rkV)
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{
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// The inline body is here because of an apparent MSVC++ .NET 2002
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// compiler bug. If placed in the *.inl file, the compiler complains:
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//
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// error C2244: 'Wm4::RVector2<>::operator`='' : unable to match
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// function definition to an existing declaration
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// definition
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// 'Wm4::RVector2<> &Wm4::RVector2<>::operator =(
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// const Wm4::TRVector<2,> &)'
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// existing declarations
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// 'Wm4::RVector2<> &Wm4::RVector2<>::operator =(
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// const Wm4::TRVector<2,> &)'
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// 'Wm4::RVector2<> &Wm4::RVector2<>::operator =(
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// const Wm4::RVector2<> &)'
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m_akTuple[0] = rkV[0];
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m_akTuple[1] = rkV[1];
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return *this;
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}
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#else
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RVector2& operator= (const TRVector<2,ISIZE>& rkV);
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#endif
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// returns Dot(this,V)
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TRational<ISIZE> Dot (const RVector2& rkV) const;
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// returns (y,-x)
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RVector2 Perp () const;
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// returns Cross((x,y,0),(V.x,V.y,0)) = x*V.y - y*V.x
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TRational<ISIZE> DotPerp (const RVector2& rkV) const;
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protected:
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using TRVector<2,ISIZE>::m_akTuple;
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};
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}
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#include "Wm4RVector2.inl"
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#endif
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