EMMG_MinimalExchangeOperator.h

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#ifndef EMMG_MinimalExchangeOperator_H
#define EMMG_MinimalExchangeOperator_H

#include "EMM_MinimalExchangeOperator.h"


DEFINE_SPTR(EMMG_MinimalExchangeOperator);
class EMMG_MinimalExchangeOperator : public virtual EMM_MinimalExchangeOperator {
  
    SP_OBJECT(EMMG_MinimalExchangeOperator);
    // ATTRIBUTES

  
private:
  
   
    
public:
   

    // ASSOCIATION
 
private:
  
    
protected: 

    // METHODS
  
    // CONSTRUCTORS 
  
    EMMG_MinimalExchangeOperator(void) {
    }
  
    // DESTRUCTORS 
    
    virtual ~EMMG_MinimalExchangeOperator(void)  {
    }
  
  
public:
    inline static SP::EMMG_MinimalExchangeOperator New() {
        SP::EMMG_MinimalExchangeOperator p(new EMMG_MinimalExchangeOperator(),
                                           EMMG_MinimalExchangeOperator::Delete());
        p->setThis(p);
        return p;
    };
    
   
    
    virtual void computeMagneticExcitationField(const EMM_RealArray& sigma,
                                                const EMM_RealField& M,
                                                EMM_RealField& H) const {
        
        //get the exchange factor at each cell;
        tUIndex nCells=M.getSize();
        const tDimension& dim=M.getDimension();

        //set the size of the magnetic excitation field
        H.setSize(nCells);
        H.setDimension(dim);
        
        //no  computation
        if (nCells==0) return;
        
        //verify the type of M
        const EMMG_RealField *gM=dynamic_cast<const EMMG_RealField *>(&M);
        if (gM==null) throw EMM_Exception("generic","EMMG_MinimalExchangeOperator:: computeMagneticExcitationField(..)",
                                          "M is an incompatible real field");
        
        //verify the type of H
        EMMG_RealField *gH=dynamic_cast<EMMG_RealField *>(&H);
        if (gH==null) throw EMM_Exception("generic","EMMG_MinimalExchangeOperator:: computeMagneticExcitationField(..)",
                                          "H is an incompatible real field");
        
       
        EMM_MinimalExchangeOperator::computeMagneticExcitationField(nCells,dim,sigma,&(*gM)[0],&(*gH)[0]);
           
    };
    

};

#endif