Coons.h

/********************************************************************/
/* Copyright (c) 2015 DG Technologies Inc. and Yuzi Mizuno          */
/* All rights reserved.                                             */
/********************************************************************/
#ifndef _MGCoons_HH_
#define _MGCoons_HH_

#include <iosfwd>
#include "mg/Pvector.h"

// MGCoons.h

// Forward Declaration
class MGCurve;
class MGLBRep;
class MGSPointSeq;

class MG_DLL_DECLR MGCoons {
 
public:

MG_DLL_DECLR friend std::ostream& operator<< (std::ostream&, const MGCoons& );


//Default constructor.
//MGCoons(){;};

MGCoons(
    MGPvector<MGLBRep>& perimeters,
    MGPvector<MGLBRep>& derivatives
);

MGCoons(
    MGPvector<MGCurve>& perimeters,
    MGPvector<MGCurve>& derivatives
);

//Copy constructor.
//MGCoons(const MGCoons& rhs);


//~MGCoons();
                                    

//MGCoons& operator=(const MGCoons&); ///Assignment


const MGVector& d2fdvu(int i)const;

const MGCurve& derivative(int i)const{return *(m_derivatives[i]);};

MGVector eval(
    double u,
    double v
    , int ndu=0 
    , int ndv=0 
    ) const;

void eval(
    const MGNDDArray&   utau,       
    const MGNDDArray&   vtau,       
    MGSPointSeq&        spoint
)const;

int sdim()const;


private:

    MGPvector<MGCurve> m_perimeters;
    MGPvector<MGCurve> m_derivatives;

    MGVector m_f00, m_f01, m_f10, m_f11;
    MGVector m_dfdu00, m_dfdu01, m_dfdu10, m_dfdu11;
    MGVector m_dfdv00, m_dfdv01, m_dfdv10, m_dfdv11;
    MGVector m_df2duv00, m_df2dvu00;
    MGVector m_df2duv01, m_df2dvu01;
    MGVector m_df2duv10, m_df2dvu10;
    MGVector m_df2duv11, m_df2dvu11;

void eval_corner();
MGVector eval_inner(
    double u, double v  
    ) const;
};
 // end of GEORelated group
#endif