Design a class polar which describes a point in the plane using polar co-ordinates radius and angel. A point in polar co-ordinates is show: X=r*cos(a) Y=r*sin(a) A=atan(X/Y) R=sqrt(X*X+Y*Y), C++ program calculator

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Subject Name	C++
Program Name	Polar To Rect Conversion
Program Description	Design a class polar which describes a point in the plane using polar co-ordinates radius and angel. A point in polar co-ordinates is show: X=rcos(a) Y=rsin(a) A=atan(X/Y) R=sqrt(XX+YY)



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Program Code
/* Design a class polar which describes a point in the plane using polar co-ordinates radius and angel. A point in polar co-ordinates is show: X=rcos(a) Y=rsin(a) A=atan(X/Y) R=sqrt(XX+YY) / #include<iostream.h> #include<conio.h> #include<math.h> class Rect; class Polar { float a,r; public: Polar() { a=0; r=0; } Polar(float a1,float r1) { a=a1; r=r1; } void putData() { cout<<"\nPolar Data"; cout<<"\nA="<<a<<", R="<<r<<""; } float geta() { return a; } float getr() { return r; } }; class Rect { float x,y; public: Rect() { } Rect(float x1,float y1) { x=x1; y=y1; } void putData() { cout<<"\Rect Data"; cout<<"\nx="<<x<<", y="<<y<<""; } Rect(Polar p) { //x = r cos(a); //y = r * sin(a); x = p.getr() * cos(3.14p.geta()/180); y = p.getr() sin(3.14p.geta()/180); } friend Rect operator+(Rect & r1,Rect & r2) { Rect r3; r3.x=r1.x+r2.x; r3.y=r1.y+r2.y; return r3; } operator Polar() { //Polar s; //s.a=atan(x/y); //s.r=sqrt(xx+yy); //return s; return Polar( atan(x/y) , sqrt(xx+y*y) ); } }; int main() { clrscr(); float pa,pr; //cout<<"Enter Polar-1: A,R:"; //cin>>pa>>pr; //Polar p1(pa,pr); Polar p1(2,3); //cout<<"Enter Polar-2: A,R:"; //cin>>pa>>pr; Polar p2(4,5); Polar p3; Rect r1,r2,r3; r1=p1; r2=p2; r3=r1+r2; p3=r3; r3.putData(); p3.putData(); getch(); return 0; }


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To Run C++ Program 1. #include<iostream.h> change to #include<iostream> 2. #include<math.h> change to #include<cmath>; 3. #include<string.h> change to #include<cstring>; 4. Add line using namespace std; These all(1 to 4) will be done automatically..., So don't worry.