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// Geometric Tools, LLC
// Copyright (c) 1998-2014
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt
// http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
//
// File Version: 5.0.1 (2011/07/23)
#ifndef WM5QUERY3FILTERED_H
#define WM5QUERY3FILTERED_H
#include "Wm5MathematicsLIB.h"
#include "Wm5Query3Rational.h"
#include "Wm5Vector3.h"
namespace Wm5
{
template <typename Real>
class Query3Filtered : public Query3<Real>
{
public:
// The base class handles floating-point queries. Each query involves
// comparing a determinant to zero. If the determinant is sufficiently
// close to zero, numerical round-off errors may cause the determinant
// sign to be misclassified. To avoid this, the query is repeated with
// exact rational arithmetic. You specify the closeness to zero for the
// switch to rational arithmetic via 'uncertainty', a value in the
// interval [0,1]. The uncertainty of 0 causes the class to behave
// as if it were Query3. The uncertainty of 1 causes the class to
// behave as if it were Query3Rational.
Query3Filtered (int numVertices, const Vector3<Real>* vertices,
Real uncertainty);
virtual ~Query3Filtered ();
// Run-time type information.
virtual Query::Type GetType () const;
// Queries about the relation of a point to various geometric objects.
virtual int ToPlane (const Vector3<Real>& test, int v0, int v1, int v2)
const;
virtual int ToCircumsphere (const Vector3<Real>& test, int v0, int v1,
int v2, int v3) const;
private:
using Query3<Real>::mVertices;
using Query3<Real>::Det3;
using Query3<Real>::Det4;
Query3Rational<Real> mRQuery;
Real mUncertainty;
};
#include "Wm5Query3Filtered.inl"
typedef Query3Filtered<float> Query3Filteredf;
typedef Query3Filtered<double> Query3Filteredd;
}
#endif
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