Fields.h

Go to the documentation of this file.

// $Id$
//==============================================================================
//==============================================================================
 
#ifndef _FIELDS_H
#define _FIELDS_H
 
#include "MatVec.h"
#include <string>
 
class ASMbase;
class ItgPoint;
class Vec4;
 
 
class Fields
{
protected:
  explicit Fields(const char* name = nullptr) : nf(0), nelm(0), nno(0)
  { if (name) fname = name; }
 
public:
  virtual ~Fields() {}
 
  unsigned char getNoFields() const { return nf; }
 
  size_t getNoElm() const { return nelm; }
 
  size_t getNoNodes() const { return nno; }
 
  const char* getFieldName() const { return fname.c_str(); }
 
  static Fields* create(const ASMbase* pch, const RealArray& v,
                        char basis = 1, int nf = 0, const char* name = nullptr);
 
  // Methods to evaluate the field
  //==============================
 
  virtual bool valueNode(size_t node, Vector& vals) const;
 
  virtual bool valueFE(const ItgPoint& x, Vector& vals) const = 0;
 
  virtual bool valueCoor(const Vec4& x, Vector& vals) const { return false; }
 
  virtual bool gradFE(const ItgPoint& x, Matrix& grad) const = 0;
 
  virtual bool gradCoor(const Vec4& x, Matrix& grad) const { return false; }
 
  virtual bool hessianFE(const ItgPoint& x, Matrix3D& H) const { return false; }
 
protected:
  unsigned char nf;  
  size_t nelm;       
  size_t nno;        
  std::string fname; 
  Vector values;     
};
 
#endif