FunctionSum.h

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// $Id$
//==============================================================================
//==============================================================================
 
#ifndef _FUNCTION_SUM_H
#define _FUNCTION_SUM_H
 
#include "Function.h"
 
 
class FunctionSum : public FunctionBase
{
  typedef std::pair<FunctionBase*,double> WeightedFunc; 
 
protected:
  FunctionSum() {}
 
public:
  explicit FunctionSum(FunctionBase* f, double w = 1.0) { this->add(f,w); }
 
  virtual ~FunctionSum() {}
 
  bool add(FunctionBase* f, double w = 1.0);
 
  virtual unsigned char getType() const;
 
  virtual bool inDomain(const Vec3& X) const;
  virtual bool initPatch(size_t idx);
 
  virtual std::vector<double> getValue(const Vec3& X) const;
  virtual double getScalarValue(const Vec3& X) const;
 
private:
  std::vector<WeightedFunc> comps; 
};
 
#endif