IPE Lab 8A

//lab 8a1

#include <iostream>
using namespace std;
void get2Points(float& x1, float& y1, float& x2, float& y2);

int main()
{
      float x1,x2,y1,y2;
      get2Points(x1,y1,x2,y2);

      cout << "Coordinate 1 : " << x1 << "," << y1 << endl;
      cout << "Coordinate 2 : " << x2 << "," << y2 << endl;
     
      return 0;
}

void get2Points(float& x1, float& y1, float& x2, float& y2)
{
      cout << "Enter x1 : ";
      cin >> x1;
      cout << "Enter y1 : ";
      cin >> y1;

      cout << "Emter x2 : ";
      cin >> x2;
      cout << "Enter y2 : ";
      cin >> y2;
}

//lab 8a2

#include <iostream>
using namespace std;
void get2Points(float& x1, float& y1, float& x2, float& y2);
void slopeInterceptFrom2points(float x1, float y1, float x2, float y2, float& m, float& c);

int main()
{
      float x1,x2,y1,y2,m,c;
      get2Points(x1,y1,x2,y2);
      slopeInterceptFrom2points(x1,y1,x2,y2,m,c);

      cout << "Coordinate 1 : " << x1 << "," << y1 << endl;
      cout << "Coordinate 2 : " << x2 << "," << y2 << endl;

      cout << "Slope is : " << m << endl;
      cout << "Intercept is : " << c << endl;
     
      return 0;
}

void get2Points(float& x1, float& y1, float& x2, float& y2)
{
      cout << "Enter x1 : ";
      cin >> x1;
      cout << "Enter y1 : ";
      cin >> y1;

      cout << "Emter x2 : ";
      cin >> x2;
      cout << "Enter y2 : ";
      cin >> y2;
}

void slopeInterceptFrom2points(float x1, float y1, float x2, float y2, float& m, float& c)
{
      m = (y2-y1)/(x2-x1);
      c = y1 - m*x1;
}
 

//lab 8a3

#include <iostream>
using namespace std;
void get2Points(float& x1, float& y1, float& x2, float& y2);
void slopeInterceptFrom2points(float x1, float y1, float x2, float y2, float& m, float& c);
void  getPtSlope(float& x, float& y, float& m);
int main()
{
      float x1,x2,y1,y2,m1,c1;
      float x, y, m;
      int sel;

      cout << "Type selection : ";
      cin >> sel;

      if (sel==3)
      {
            getPtSlope(x,y,m);
            cout << "Coordinate 1 : " << "(" << x << "," << y << ")" << endl;
            cout << "Slope " << m << endl;
           
      }

      else
      {
            get2Points(x1,y1,x2,y2);
            slopeInterceptFrom2points(x1,y1,x2,y2,m1,c1);
     

            cout << "Coordinate 1 : " << x1 << "," << y1 << endl;
            cout << "Coordinate 2 : " << x2 << "," << y2 << endl;

            cout << "Slope is : " << m1 << endl;
            cout << "Intercept is : " << c1 << endl;
      }
     
      return 0;
}

void get2Points(float& x1, float& y1, float& x2, float& y2)
{
      cout << "Enter x1 : ";
      cin >> x1;
      cout << "Enter y1 : ";
      cin >> y1;

      cout << "Emter x2 : ";
      cin >> x2;
      cout << "Enter y2 : ";
      cin >> y2;
}
//lab 8a4

#include <iostream>
using namespace std;
void get2Points(float& x1, float& y1, float& x2, float& y2);
void slopeInterceptFrom2points(float x1, float y1, float x2, float y2, float& m, float& c);
void  getPtSlope(float& x, float& y, float& m);
float interceptFromPtSlope(float x,float y,float m);

int main()
{
      float x1,x2,y1,y2,m1,c1;
      float x, y, m, c;
      int sel;

      cout << "\n   ...Welcome...\n";
      cout << endl <<"To get just intercept  , type 1.\n" << "To get slope & intercept , type any other value.\n";
      cout << "Type selection : ";
      cin >> sel;

      if (sel==1)
      {
            getPtSlope(x,y,m);
            cout << "\nCoordinate 1 : " << "(" << x << "," << y << ")" << endl;
            cout << "Slope " << m << endl;

            c = interceptFromPtSlope(x,y,m);
            cout << "Y intercept is : " << c << endl;

            cout << "\nEquation is :   " << "y = " << m << "x + " << c << endl;
           
           
      }

      else
      {
            get2Points(x1,y1,x2,y2);
            slopeInterceptFrom2points(x1,y1,x2,y2,m1,c1);
     

            cout << "\nCoordinate 1 : " << x1 << "," << y1 << endl;
            cout << "Coordinate 2 : " << x2 << "," << y2 << endl;

            cout << "Slope is : " << m1 << endl;
            cout << "Intercept is : " << c1 << endl;

            cout << "\nEquation is :   " << "y = " << m << "x + " << c << endl;
      }
      cout << "\n   ...Have a nice day...\n\n";
     
      return 0;