public void ResultPrint(decimal x1, decimal f1, string relError, int k_max_begin, double time_max_begin, int iter_value, decimal rel, string b1)
{
BisectionMethodClass b = new BisectionMethodClass();
SolutionOfTaskBox.Text = x1.ToString();
ValueOfFunctionBox.Text = f1.ToString();
AmountOfIteratinosBox.Text = iter_value.ToString();
BapsedTimeBox.Text = relError.ToString();
AbsBox.Text = rel.ToString("0e0");
K_maxBox.Text = k_max_begin.ToString();
timeBox.Text = time_max_begin.ToString();
label11.Text = b1.ToString();
}
private void button1_Click(object sender, EventArgs e)
{
funcBox.Text = c.Function_Verify(funcBox.Text);
if (funcBox.Text != "")
{
if (LeftEndPointBox.Text == "" || RightEndPointBox.Text == "" || ToleranceBox.Text == "" || timeBox.Text == "" || K_maxBox.Text == "")
{
MessageBox.Show("Input textboxes are empty! Enter the data");
label11.Text = "Input textboxes are empty! Enter the data";
return;
}
func = funcBox.Text.Trim().Replace(".", ",");
func = func.ToLower();
label11.Text = "";
try
{
k_max = UInt16.Parse(K_maxBox.Text.Trim());
}
catch (Exception h)
{
MessageBox.Show("Character values are not allowed.Check k_max.");
label11.Text = "Character values are not allowed.Check k_max.";
return;
}
if (k_max <= 0)
{
MessageBox.Show("k_max can`t be less or equal than zero");
label11.Text = "k_max can`t be less or equal than zero";
return;
}
try
{
intervalBegin = Decimal.Parse(LeftEndPointBox.Text.Trim(), System.Globalization.NumberStyles.Float);
}
catch (Exception h)
{
MessageBox.Show("Character values are not allowed.Check left bound value.");
label11.Text = "Character values are not allowed.Check left bound value.";
return;
}
try
{
intervalEnd = Decimal.Parse(RightEndPointBox.Text.Trim(), System.Globalization.NumberStyles.Float);
}
catch (Exception h)
{
MessageBox.Show("Character values are not allowed.Check right bound value.");
label11.Text = "Character values are not allowed.Check right bound value.";
return;
}
try
{
precision = Double.Parse(ToleranceBox.Text);
}
catch (Exception h)
{
MessageBox.Show("Character values are not allowed.Check the Tolerance textbox.");
label11.Text = "Character values are not allowed.Check the Tolerance textbox.";
return;
}
try
{
max_time = Double.Parse(timeBox.Text.Trim().Replace(".", ","));
}
catch (Exception h)
{
MessageBox.Show("Character values are not allowed.Check the max_time textbox.");
label11.Text = "Character values are not allowed.Check the max_time textbox.";
return;
}
string str = "-";
if (str == ToleranceBox.Text[0].ToString() || ToleranceBox.Text.ToString() == "0")
{
MessageBox.Show("Tolerance can`t be less than zero or equal it");
label11.Text = "Tolerance can`t be less than zero or equal it ";
return;
}
if (max_time <= 0)
{
MessageBox.Show("Time limit can`t be less or equal than zero");
label11.Text = "Time limit can`t be less or equal than zero";
return;
}
if (funcBox.Text == "$" || funcBox.Text == "#" || funcBox.Text == "@" || funcBox.Text == "&" || funcBox.Text == "$" || funcBox.Text == "`" || funcBox.Text == "?" || funcBox.Text == ";" || funcBox.Text == ":")
{
MessageBox.Show("Function incorrect, it doesn`t match to mathematical representation of the function.You are probably added wrong values or incorrect signs like #,@,$,& and etc.Please check the textbox of functions.");
return;
}
GetFunction(func, Convert.ToDecimal(intervalBegin));
try
{
GetFunction(func, Convert.ToDecimal(intervalEnd));
}
catch (Exception h)
{
MessageBox.Show("Function incorrect.Please check the textbox of functions");
label11.Text = "Function incorrect";
return;
}
progressBar.Value = 0;
if (Math.Sign(Convert.ToDecimal(GetFunction(func, intervalBegin))) * Math.Sign(Convert.ToDecimal(GetFunction(func, intervalEnd))) > 0.0M)
{
MessageBox.Show("Function has same signs at ends of interval.Check endpoints of the interval [a, b]!");
label11.Text = "Function has same signs at ends of interval.Check endpoints of the interval [a, b]!";
return;
}
else
{
BisectionMethodClass b = new BisectionMethodClass();
b.increment_max += UpdateIteration;
b.time_max += UpdateTime;
b.start(intervalBegin, intervalEnd, precision, k_max, init, max_time, func, progressBar);
stopWatch.Reset();
ResultPrint(b.middle, GetFunction(func, b.middle), b.elapsedTime1, b.k_max_begin, b.time_max_begin, b.init1, Math.Abs(b.intervalEnd1 - b.intervalBegin1), b.b3);
init = 0;
}
}
else
{
MessageBox.Show("Function incorrect.Please check the textbox of functions");
label11.Text = "Function incorrect";
}
}
