Add.h

#ifndef Add_h
#define Add_h
#include "Primitive.h"
 
namespace Tree {
namespace Primitives {
 
template <class T>
class AddT : public Primitive
{
public:
    AddT();
    void execute(void* result, Tree& tree);
    ~AddT();
};
typedef AddT<double> Add;
 
 
template <class T>
AddT<T>::AddT()
{
    nArguments_ = 2;
    name_ = "+";
    complementName_ = "-";
}
 
 
template <class T>
AddT<T>::~AddT()
{   }
 
 
template <class T>
void AddT<T>::execute(void* result, Tree& tree)
{
    T first, second;
    T& sum = *(T*)result;
    getNextArgument(&first, tree);
    getNextArgument(&second, tree);
    sum = first + second;
}
 
}
}
 
#endif