gmShapeOrthogonalPol.h

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/************************************************************************
**
** Copyright (C) 2018 by TECGRAF Group
** All rights reserved.
**
** This file is part of the "GeMA" software. It's use should respect
** the terms in the license agreement that can be found together
** with this source code.
** It is provided AS IS, with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE.
**
************************************************************************/

#ifndef _GEMA_SHAPE_ORTHOGONAL_POL_H_
#define _GEMA_SHAPE_ORTHOGONAL_POL_H_

#include "gmCoreConfig.h"


enum GmShapeOrthognalPolType
{
  // IMPORTANT: Do not change the enumeration order or add new entries without updating 
  //            the code initializing the GmOrthPolyTables vector.
  GM_LEGENDRE = 0,
  GM_LOBATTO,
  GM_DLEGENDRE,
  GM_DLOBATTO,
};

#define GM_MAX_ORTHOGONAL_POL_ORDER 5

class GMC_API_EXPORT GmShapeOrthogonalPol
{
public:
  typedef double CoefficientTable[GM_MAX_ORTHOGONAL_POL_ORDER+1][GM_MAX_ORTHOGONAL_POL_ORDER+1];

  GmShapeOrthogonalPol(GmShapeOrthognalPolType type);

  double operator()(double x, int Porder);

private:
  const CoefficientTable& _cTab; 
};

#endif