private void ApplyEuclidAlg()
{
using (StreamWriter sw = new StreamWriter(@"Q3.txt"))
{
sw.WriteLine("Q3.\n");
foreach (var pair in PairList)
{
sw.WriteLine("GCD({0}, {1}) = {2}", pair[0], pair[1], MathsProcessor.EuclidAlg(pair[0], pair[1]));
}
}
}
private static long GenerateE(long p, long q)
{
//calculate Ф(p,q)
long phi = (p - 1) * (q - 1);
// start at p-2
long candidateE = p - 2;
while (MathsProcessor.EuclidAlg(candidateE, phi) != 1 && MathsProcessor.PrimeCheck(candidateE) != 1)
{
--candidateE;
}
return(candidateE);
}
private void q3CalcGcdBtn_Click(object sender, EventArgs e)
{
try
{
long numA = long.Parse(q3EntryATbox.Text); // error handling
long numB = long.Parse(q3EntryBTbox.Text); // -//-
long gcd = MathsProcessor.EuclidAlg(numA, numB);
q3GcdOutLabel.Text = "The Greatest Common Divisor of " + numA + " and " + numB + " is " + gcd;
}
catch (FormatException fe)
{
MessageBox.Show("Wrong or missing input. Please enter a and b in a correct format.");
}
catch (OverflowException oe)
{
MessageBox.Show("Entered number(s) is too big.");
}
}