Pos.h

#ifndef Pos_h
#define Pos_h
#include "Primitive.h"
 
namespace Tree {
namespace Primitives {
 
template <class T>
class PosT : public Primitive
{
public:
    PosT();
    void execute(void* result, Tree& tree);
    ~PosT();
};
typedef PosT<double> Pos;
 
 
template <class T>
PosT<T>::PosT()
{
    nArguments_ = 1;
    name_ = "pos";
    complementName_ = "neg";
}
 
 
template <class T>
PosT<T>::~PosT()
{   }
 
 
template <class T>
void PosT<T>::execute(void* result, Tree& tree)
{
    T arg;
    T& pos = *(T*)result;
    getNextArgument(&arg, tree);
    pos = arg > 0 ? arg : 0;
}
 
}
}
 
#endif