CartVec.h file #ifndef CARTVEC_H #define CARTVEC_H class CartVec { public: // co

Question

CartVec.h file

#ifndef CARTVEC_H
#define CARTVEC_H

class CartVec
{
    public:
        // constructors...don't worry about writing any code for these two constructors
        CartVec(){};
        CartVec( double newX, double newY ){ set( newX, newY ); }

        // get functions
        double getX();                                                          // return the y value
        double getY();                                                          // return the x value
        double mag();                                                          // get the magnitude of the vector
        double angle();                                                        // get the angle of the vector

        void set( double newX, double newY );                   // set the x and y values
        CartVec add( const CartVec &otherCartVec );        // add two vectors. DO NOT modify either of them.
        void print();                                                             // pretty print this vector
                                                                                       // ( [xval], [yval] ) --> [mag] < [angle]

    protected:

    private:
        double m_x;
        double m_y;
};

#endif // CARTVEC_H

Explanation / Answer

/*
* CartVec.cpp
*
* Created on: Apr 25, 2017
*      Author: Ravi
*/

#include <iostream>
#include <math.h>

using namespace std;

#include "CartVec.h"

double CartVec::getX() {
   // TODO Auto-generated constructor stub
   return this->m_x;
}

double CartVec::getY() {
   // TODO Auto-generated constructor stub
   return this->m_y;
}

double CartVec::mag() {
   // TODO Auto-generated constructor stub
   return sqrt(this->m_x *this->m_x+ this->m_y *this->m_y) ;
}

double CartVec::angle() {
   // TODO Auto-generated constructor stub
   return tanh(this->m_x/this->m_y);
}

void CartVec::set( double newX, double newY ) {
   // TODO Auto-generated constructor stub
   this->m_x = newX;
   this->m_y = newY;
}

CartVec CartVec::add( const CartVec &otherCartVec ) {
   // TODO Auto-generated constructor stub
   CartVec vec;
   vec.set(this->m_x+otherCartVec.m_x, this->m_y+otherCartVec.m_y);
   return vec;
}

void CartVec::print( ) {
   cout << "(" << this->m_x << "," << this->m_y << ") -->" << this->mag() << "<" <<this->angle() << endl;
}

int main() {
   CartVec vec1 = CartVec(10,15);
   CartVec vec2 = CartVec(20,10);
   cout << "Vec 1 :" <<endl;
   vec1.print();
   cout << "Vec 2 :" <<endl;
   vec2.print();
   cout << "Sum of two vectors- Vec 3 :" <<endl;
   CartVec vec3 = vec1.add(vec2);
   vec3.print();
}

---output---

DebugChegg-cpp-current.exe
Vec 1 :
(10,15) -->18.0278<0.582783
Vec 2 :
(20,10) -->22.3607<0.964028
Sum of two vectors- Vec 3 :
(30,25) -->39.0512<0.833655

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