private void Tab3btnAutoCorr_Click(object sender, EventArgs e)
{
try
{
Tab3dtGrid.Rows.Clear();
Tab3dtGrid.Columns.Clear();
Tab3dtGrid.DataSource = null;
Tab3dtGrid.Columns.Add("shift", "Shift Count (Tau)");
Tab3dtGrid.Columns.Add("autocorr", "Autocorrelation Value C(Tau)");
int distinctpoints;
double[] autcor = LFSRTools.AllAutoCorrelationValues(Tab3txtBinSeq.Text, out distinctpoints);
for (int i = 0; i < autcor.Length; i++)
{
Tab3dtGrid.Rows.Add(i, autcor[i]);
}
Tab3dtGrid.AutoResizeColumns(DataGridViewAutoSizeColumnsMode.AllCells);
Tab3lblTotalRun.Text = "Number of Distinct Values = " + distinctpoints;
}
catch (Exception exp)
{
MessageBox.Show(exp.Message);
}
}
private void Tab2btnFindPeriodLC_Click(object sender, EventArgs e)
{
Tab2txtResult.Clear();
Application.DoEvents();
Tab2txtResult.AppendText("Starting to compute first 50000 stream output.\r\n");
for (int i = 0; i < 50000; i++)
{
L1.Clock();
L2.Clock();
L3.Clock();
L4.Clock();
NonlinCombOutput += NonLinearCombiner(L1.StreamOutput, L2.StreamOutput, L3.StreamOutput, L4.StreamOutput).Value.ToString();
}
Tab2txtResult.AppendText("Stream has been generated.\r\nStarting to compute period.\r\n");
Application.DoEvents();
int period = LFSRTools.FindStreamPeriodExtended(NonlinCombOutput, 3 + 4 + 5 + 7);
Tab2txtResult.AppendText("\r\nPeriod is " + period + ".\r\n");
int LCbound = NonLinearCombinerStar(L1.FeedbackPolynomial.Degree, L2.FeedbackPolynomial.Degree, L3.FeedbackPolynomial.Degree, L4.FeedbackPolynomial.Degree);
Tab2txtResult.AppendText("\r\nLC is bounded by " + LCbound + ".");
}
protected void btnRunBM_Click(object sender, EventArgs e)
{
FiniteField F = null;
int p = int.Parse(txtSize.Text.Trim());
if (MathTools.IsPrime(p))
{
F = new FiniteField(p);
}
else
{
Response.Clear();
Response.Write("Please write a prime number!");
Response.End();
}
// Clean The Mess
string seq = txtSeq.Text, newseq = "";
for (int i = 0; i < seq.Length; i++)
{
int t = 0;
bool dene = int.TryParse(seq[i].ToString(), out t);
if (dene)
{
if (t < F.Characteristic)
{
newseq += seq[i];
}
}
}
if (newseq.Length == 0)
{
Response.Clear();
Response.Write("Please enter the sequence.");
Response.End();
}
txtSeq.Text = newseq;
Polynomial poly = Polynomial.Parse(F, newseq, false);
Polynomial c;
int LC = LFSRTools.BerlekampMassey(poly, out c);
lblResult.Text = "Sequence Length = " + newseq.Length + "<br/>" +
"Linear Complexity = " + LC + "<br/>" +
"Connection Polynomial = " + c.ToString();
}
private void btnRunBM_Click(object sender, EventArgs e)
{
CleanTheMess();
if (txtSeq.Text.Length == 0)
{
MessageBox.Show("Please enter the sequence.", this.Text, MessageBoxButtons.OK, MessageBoxIcon.Information);
txtSeq.Focus();
return;
}
Polynomial p = Polynomial.Parse(F, txtSeq.Text, false);
Polynomial c;
int LC = LFSRTools.BerlekampMassey(p, out c);
txtResult.Text = "Sequence Length = " + txtSeq.Text.Length + "\r\n" +
"Linear Complexity = " + LC + "\r\n" +
"Connection Polynomial = " + c.ToString();
}
private void Tab3btnFindRuns_Click(object sender, EventArgs e)
{
try
{
BindingList <Runs> list;
int numOfRuns = LFSRTools.NumberOfRuns(Tab3txtBinSeq.Text, out list);
Tab3dtGrid.Rows.Clear();
Tab3dtGrid.Columns.Clear();
Tab3dtGrid.DataSource = list;
Tab3dtGrid.AutoResizeColumns(DataGridViewAutoSizeColumnsMode.AllCells);
Tab3lblTotalRun.Text = "Total Number of Runs = " + numOfRuns;
}
catch (Exception exp)
{
MessageBox.Show(exp.Message);
}
//MessageBox.Show(LFSRTools.NumberOfRuns(Tab3txtBinSeq.Text).ToString());
}
