Wm4Query2Int64.h

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// 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 WM4QUERY2INT64_H
#define WM4QUERY2INT64_H

#include "Wm4FoundationLIB.h"
#include "Wm4Query2.h"

namespace Wm4
{

template <class Real>
class Query2Int64 : public Query2<Real>
{
public:
    // The components of the input vertices are truncated to 64-bit integer
    // values, so you should guarantee that the vertices are sufficiently
    // large to give a good distribution of numbers.
    Query2Int64 (int iVQuantity, const Vector2<Real>* akVertex);

    // run-time type information
    virtual Query::Type GetType () const;

    // Queries about the relation of a point to various geometric objects.

    virtual int ToLine (const Vector2<Real>& rkP, int iV0, int iV1) const;

    virtual int ToCircumcircle (const Vector2<Real>& rkP, int iV0, int iV1,
        int iV2) const;

private:
    using Query2<Real>::m_akVertex;

    static Integer64 Dot (Integer64 iX0, Integer64 iY0, Integer64 iX1,
        Integer64 iY1);

    static Integer64 Det2 (Integer64 iX0, Integer64 iY0, Integer64 iX1,
        Integer64 iY1);

    static Integer64 Det3 (Integer64 iX0, Integer64 iY0, Integer64 iZ0,
        Integer64 iX1, Integer64 iY1, Integer64 iZ1,
        Integer64 iX2, Integer64 iY2, Integer64 iZ2);
};

}

#include "Wm4Query2Int64.inl"

namespace Wm4
{
typedef Query2Int64<float> Query2Int64f;
typedef Query2Int64<double> Query2Int64d;

}

#endif