// Example Program: quad.cpp
// Solving the Quadratic Equation

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

main()
	{
	float a;
	float b;
	float c;
	float temp;
	float x1;
   float x2;

	cout << "Welcome to the Quadratic Equation Solver!\n\n";

	cout << "\n\n\nEnter coeficient of X-squared term: ";
	cin >> a;
	cout << "\n\n\nEcho check on data: a = " << a << endl;

	cout << "\n\n\nEnter coeficient of X term: ";
	cin >> b;
	cout << "\n\n\nEcho check on data: b = " << b << endl;

	cout << "\n\n\nEnter constant coeficient term: ";
	cin >> c;
	cout << "\n\n\nEcho check on data: b = " << c << endl;

	temp = b*b - 4*a*c;

	if ( temp == 0 )
		{
		x1 = -b/(2*a);
		x2 = -b/(2*a);
		cout << "\n\n\n\nRoots are real and equal!\n\n";
		cout << "\tX1 = " << x1 << ",  X2 = " << x2 << endl;
		}
	else
		{
		if ( temp > 0 )
			{
			 x1 = ( -b + sqrt(temp) )/( 2*a );
			 x2 = ( -b - sqrt(temp) )/( 2*a );
			 cout << "\n\n\n\nRoots are real and unequal!\n\n";
			 cout << "\tX1 = " << x1 << ",  X2 = " << x2 << endl;
			 }
		 else
			 {
			 if ( temp < 0 )
				 {
				 x1 = -b/(2*a);
				 x2 = -b/(2*a);
				 cout << "\n\n\n\nRoots are Complex!\n\n";
				 cout << "\tX1 = " << x1 << " + j" << sqrt(-temp)
						<< ",    X2 = " << x2 << " - j" << sqrt(-temp) << endl;
				 }
			 }
		 }

	return 0;

	}