Pounds2KilosExercise.cpp

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#include "macros.h" // needs to be declared as first entry in .cpp or .h file!
#include <string>
#include <iostream>
using namespace std;
#include "AbstractExercise.h"

class Pounds2KilosExercise : public AbstractExercise {
public:

    Pounds2KilosExercise(string name) : AbstractExercise(name){};

protected:

    void execute();

    void getInput();

private:

    static double p2k(double pounds);
    
    static double k2p(double kilos);

    double fPounds;
    double fKilos;

};
    
namespace {
    Pounds2KilosExercise proto("Pounds2KilosExercise");
}


void Pounds2KilosExercise::getInput(){
    cout << "Enter pounds :";
    cin >>  fPounds;
    cout << "Enter kilos :";
    cin >>  fKilos;
}

void Pounds2KilosExercise::execute(){
    cout << fPounds <<"  p = "<< p2k(fPounds) << " kg" << endl;
    cout << fKilos  <<" kg = "<< k2p(fKilos)  << " p"  << endl;
}

const double POUND_IN_KILOS = 0.45;

double Pounds2KilosExercise::p2k(double pounds){
    return pounds * POUND_IN_KILOS;
}

double Pounds2KilosExercise::k2p(double kilos){
    return kilos / POUND_IN_KILOS;
}

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