#include <iostream>
#include <cmath>

using namespace std;

double quadplus(float a, float b, float c);
double quadminus(float a, float b, float c);

int main()
{
  double a, b, c;
  double discriminant;

  cout << "Please Enter variables for a, b, and c." << endl << endl;
  cout << "Enter number for variable a." << endl << endl;
  cin >> a;
  cout << "Enter number for variable b." << endl << endl;
  cin >> b;
  cout << "Enter number for variable c." << endl << endl;
  cin >> c;
  discriminant = (b * b) - (4 * a * c);

  if(discriminant == 0)
      cout << quadplus(a,b,c) << endl;
  else if(discriminant > 0)
      cout << quadplus(a,b,c) << endl;
  else if(discriminant < 0)
      cout << quadminus(a,b,c) << quadplus(a,b,c) << endl;

  return 0;
}

double quadplus(float a, float b, float c)
    {
        return ((-1 * b) + (sqrt(( b * b) - (4 * a * c))) / (2 * a));
    }
double quadminus(float a, float b, float c)
     {
        return ((-1 * b) - (sqrt(( b * b) - (4 * a * c))) / ( 2 * a));
     }

cout << quadplus << endl;

cout << quadplus(a, b, c) << endl;