Cos.h

#ifndef Cos_h
#define Cos_h
#include "Function.h"
#include <cmath>
 
namespace cart
{
    template <class T>
    class Cos : public Function
    {
    public:
        Cos();
        ~Cos();
 
        void evaluate(voidP inputs, void* result);
    };
 
    typedef Cos<double> CosDouble;
    typedef Cos<int> CosInt;
 
    template <class T>
    Cos<T>::Cos()
    {
        name_ = "cos";
        numOfArgs_ = 1;
    }
 
    template <class T>
    Cos<T>::~Cos()
    {
    }
 
    template <class T>
    void Cos<T>::evaluate(voidP inputs, void* result)
    {
        T& data = *(T*) result;
        stringstream ss;
        ss << *((string*) inputs.get());
        vector<T> readInputs;
        T input;
        uint i = 0;
        while (ss >> input)
        {
            readInputs.push_back(input);
            ++i;
            if (i == numOfArgs_)
            {
                break;
            }
        }
 
        data = (T)cos((double)readInputs.at(0));
    }
 
}
 
#endif /* Cos_h */