protected override bool CheckValidQuestion(List <int> coefficients, List <double> solution)
{
var a = coefficients[0];
var b = coefficients[1];
var c = coefficients[2];
var discriminant = QuadraticEquationAnalysisFunctions.ComputeDiscriminant(a, b, c);
if ((a == 0) || ((b == 0) && (c == 0)))
{
return(false);
}
else if (parameters.RequireRealRoot && (discriminant < 0))
{
return(false);
}
else if (parameters.RequireComplexRoot && (discriminant >= 0))
{
return(false);
}
else if (parameters.RequireDoubleRoot && (discriminant != 0))
{
return(false);
}
else if (parameters.RequireIntegerRoot && !(Math.Abs(solution[0] % 1) < 0.0001 && Math.Abs(solution[1] % 1) < 0.0001))
{
return(false);
}
else
{
return(true);
}
}
protected override List <double> CalculateSolution(List <int> coefficients, out bool invalidCoefficients)
{
invalidCoefficients = false;
int a = coefficients[0];
int b = coefficients[1];
int c = coefficients[2];
var roots = QuadraticEquationAnalysisFunctions.ComputeRoots(a, b, c);
return(roots);
}
