NodeVecFunc.h

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// $Id$
//==============================================================================
//==============================================================================
 
#ifndef _NODE_VEC_FUNC_H
#define _NODE_VEC_FUNC_H
 
#include "Function.h"
#include <map>
 
class SIMbase;
 
 
class NodeVecFunc : public VecFunc
{
public:
  NodeVecFunc(const SIMbase& m, const std::vector<double>& v,
              const std::map<int,int>* nodeIdMap = nullptr)
    : idMap(nodeIdMap), model(m), value(&v) {}
  NodeVecFunc(const SIMbase& m, const std::vector<double>* v,
              const std::map<int,int>& nodeIdMap)
    : idMap(&nodeIdMap), model(m), value(v) {}
  NodeVecFunc() = delete;
  NodeVecFunc(const NodeVecFunc&) = delete;
 
  virtual bool isZero() const;
 
  virtual bool isConstant() const { return false; }
 
protected:
  virtual Vec3 evaluate(const Vec3& X) const;
 
  std::pair<int,int> getPointIndex(const Vec3& Xp) const;
 
private:
  const std::map<int,int>*   idMap; 
  mutable std::map<Vec3,int> ptMap; 
 
protected:
  const SIMbase&             model; 
  const std::vector<double>* value; 
};
 
#endif