120ca87015
git-svn-id: https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk@5000 e8eeb9e2-ec13-0410-a4a9-efa5cf37419d
101 lines
3.4 KiB
C++
101 lines
3.4 KiB
C++
// Wild Magic Source Code
|
|
// David Eberly
|
|
// http://www.geometrictools.com
|
|
// Copyright (c) 1998-2007
|
|
//
|
|
// This library is free software; you can redistribute it and/or modify it
|
|
// under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation; either version 2.1 of the License, or (at
|
|
// your option) any later version. The license is available for reading at
|
|
// either of the locations:
|
|
// http://www.gnu.org/copyleft/lgpl.html
|
|
// http://www.geometrictools.com/License/WildMagicLicense.pdf
|
|
// The license applies to versions 0 through 4 of Wild Magic.
|
|
//
|
|
// Version: 4.0.0 (2006/06/28)
|
|
|
|
#ifndef WM4QUERY3TRATIONAL_H
|
|
#define WM4QUERY3TRATIONAL_H
|
|
|
|
#include "Wm4FoundationLIB.h"
|
|
#include "Wm4Query3.h"
|
|
#include "Wm4RVector3.h"
|
|
|
|
namespace Wm4
|
|
{
|
|
|
|
template <class Real>
|
|
class Query3TRational : public Query3<Real>
|
|
{
|
|
public:
|
|
// The components of the input vertices are represented exactly as
|
|
// rational values.
|
|
Query3TRational (int iVQuantity, const Vector3<Real>* akVertex);
|
|
virtual ~Query3TRational ();
|
|
|
|
// run-time type information
|
|
virtual Query::Type GetType () const;
|
|
|
|
// Queries about the relation of a point to various geometric objects.
|
|
|
|
virtual int ToPlane (int i, int iV0, int iV1, int iV2) const;
|
|
virtual int ToPlane (const Vector3<Real>& rkP, int iV0, int iV1, int iV2)
|
|
const;
|
|
|
|
virtual int ToTetrahedron (int i, int iV0, int iV1, int iV2, int iV3)
|
|
const;
|
|
virtual int ToTetrahedron (const Vector3<Real>& rkP, int iV0, int iV1,
|
|
int iV2, int iV3) const;
|
|
|
|
virtual int ToCircumsphere (int i, int iV0, int iV1, int iV2, int iV3)
|
|
const;
|
|
virtual int ToCircumsphere (const Vector3<Real>& rkP, int iV0, int iV1,
|
|
int iV2, int iV3) const;
|
|
|
|
private:
|
|
using Query3<Real>::m_iVQuantity;
|
|
using Query3<Real>::m_akVertex;
|
|
|
|
// Caching for rational representations of the input. The conversion of
|
|
// floating-point numbers to TRational form is slow, so it is better to
|
|
// keep track of which values have been converted.
|
|
typedef TRational<8*sizeof(Real)> Rational;
|
|
typedef RVector3<8*sizeof(Real)> RVector;
|
|
mutable RVector* m_akRVertex;
|
|
mutable bool* m_abEvaluated;
|
|
|
|
void Convert (int iQuantity, int* aiIndex) const;
|
|
|
|
int ToPlane (const RVector& rkRP, int iV0, int iV1, int iV2) const;
|
|
int ToTetrahedron (const RVector& rkRP, int iV0, int iV1, int iV2,
|
|
int iV3) const;
|
|
int ToCircumsphere (const RVector& rkRP, int iV0, int iV1, int iV2,
|
|
int iV3) const;
|
|
|
|
static Rational Dot (Rational& rkX0, Rational& rkY0, Rational& rkZ0,
|
|
Rational& rkX1, Rational& rkY1, Rational& rkZ1);
|
|
|
|
static Rational Det3 (Rational& rkX0, Rational& rkY0, Rational& rkZ0,
|
|
Rational& rkX1, Rational& rkY1, Rational& rkZ1, Rational& rkX2,
|
|
Rational& rkY2, Rational& rkZ2);
|
|
|
|
static Rational Det4 (Rational& rkX0, Rational& rkY0, Rational& rkZ0,
|
|
Rational& rkW0, Rational& rkX1, Rational& rkY1, Rational& rkZ1,
|
|
Rational& rkW1, Rational& rkX2, Rational& rkY2, Rational& rkZ2,
|
|
Rational& rkW2, Rational& rkX3, Rational& rkY3, Rational& rkZ3,
|
|
Rational& rkW3);
|
|
};
|
|
|
|
}
|
|
|
|
#include "Wm4Query3TRational.inl"
|
|
|
|
namespace Wm4
|
|
{
|
|
typedef Query3TRational<float> Query3TRationalf;
|
|
typedef Query3TRational<double> Query3TRationald;
|
|
|
|
}
|
|
|
|
#endif
|