private static void Main()
{
Action <string> display = Console.WriteLine;
Action <string> displayOnOneLine = Console.Write;
display("Demo to use the useful functions DLL");
int[] list = { 1, 2, 3, 1 };
bool result = StringFunc.HasDuplicate(list);
display("The array: {1, 2, 3, 1 } has duplicate: " + result);
display(string.Empty);
displayOnOneLine("Factorial 3 with lowerBound 2 is ");
displayOnOneLine(MathFunc.Factorial(3, 2).ToString());
display(string.Empty);
displayOnOneLine("IsNumeric of '4' ");
displayOnOneLine(StringFunc.IsNumeric("4").ToString());
char[] tmpNull = null;
// ReSharper disable once ExpressionIsAlwaysNull
string rdnString = StringFunc.GenerateRandomString(tmpNull);
display(string.Empty);
display("Generation of a random string: " + rdnString);
display(string.Empty);
display("Manifest of the DLL: " + StringFunc.Manifest());
display(string.Empty);
display("Generation of a 10 random filename strings: ");
for (int i = 0; i < 10; i++)
{
rdnString = StringFunc.GenerateRandomString(new[] { ' ' }, true, enumRnd.UpperLowerDigitSpecial, 8, true);
display("Random filename: " + rdnString);
}
string test = Path.GetRandomFileName();
display(string.Empty);
display("Generation of a 10 Path.GetRandomFileName: ");
for (int i = 0; i < 10; i++)
{
display("Random filename: " + Path.GetRandomFileName());
}
display("Listing all drives:");
List <DriveInfo> allDir = FileFunc.GetAllDrives(new[] { DriveType.CDRom, DriveType.Network,
DriveType.Removable });
foreach (var dirName in allDir)
{
display(dirName.ToString());
}
display("displaying all directories:");
var allfilesAndFolders = FileFunc.GetAllDirectories(@"C:\");
var count = 0;
foreach (var item in allfilesAndFolders)
{
display(item);
count++;
}
display(count + " directories were found");
display("");
display("Punctuation characters:");
display("Period: " + Punctuation.Period);
display("Backslash: " + Punctuation.Backslash);
display("Colon: " + Punctuation.Colon);
Livre dune = new Livre
{
Auteur = "Frank Herbert",
Prix = 20.00M,
Titre = "Les enfants de Dune"
};
// search for twin primes
display("Searching for twin primes:");
foreach (int twin in FunctionsPrimes.GetTwinPrimeBefore(500))
{
Console.Write($"{twin} ");
}
Stopwatch chrono2 = new Stopwatch();
chrono2.Start();
var allTwinPrimes = FunctionsPrimes.GetTwinPrimeBefore(int.MaxValue - 2);
chrono2.Stop();
TimeSpan ts2 = chrono2.Elapsed;
string elapsedTime2 = string.Format("{0:00}:{1:00}:{2:00}.{3:00}",
ts2.Hours, ts2.Minutes, ts2.Seconds,
ts2.Milliseconds / 10);
try
{
using (StreamWriter sw2 = new StreamWriter("twinPrimes.txt"))
{
sw2.WriteLine(string.Format("{0:00}:{1:00}:{2:00}.{3:00}", ts2.Hours, ts2.Minutes, ts2.Seconds, ts2.Milliseconds / 10));
sw2.WriteLine("RunTime with chrono: " + elapsedTime2);
foreach (int twin in allTwinPrimes)
{
sw2.WriteLine(twin);
}
}
}
catch (Exception)
{
display("There were an error while trying to write to a file all twin primes before int.max");
}
// calculating the time necessary to go through all numbers until int.max about billions
var startTime = DateTime.Now;
Stopwatch chrono = new Stopwatch();
chrono.Start();
for (int i = 0; i < int.MaxValue; i++)
{
}
var endTime = DateTime.Now;
chrono.Stop();
TimeSpan ts = chrono.Elapsed;
string elapsedTime = string.Format("{0:00}:{1:00}:{2:00}.{3:00}",
ts.Hours, ts.Minutes, ts.Seconds,
ts.Milliseconds / 10);
Console.WriteLine("RunTime " + elapsedTime);
using (StreamWriter sw = new StreamWriter("timeToIntMax.txt"))
{
sw.WriteLine($"start time is {startTime}");
sw.WriteLine($"End time is {endTime}");
sw.WriteLine(string.Format("{0:00}:{1:00}:{2:00}.{3:00}", ts.Hours, ts.Minutes, ts.Seconds, ts.Milliseconds / 10));
sw.WriteLine("RunTime with chrono: " + elapsedTime);
}
//for (int i = 0; i < FunctionsPrimes.GetTwinPrimeBefore(500).Count; i +=2)
//{
// Console.Write($"{twin} ");
//}
/* twin primes
* 2-3
* 11-13
* 17-19
* 41-43
* 71-73
* 101-103
* 107-109
* 197-199
* 227-229
* 281-283
* 311-313
* 431-433
* 461-463
* */
display("");
//display("primes:");
//for (int i = 3; i < 500; i = i + 2)
//{
// if (FunctionsMath.IsPrime(i))
// {
// Console.Write($"{i} ");
// }
//}
display("");
display("Press any key to exit:");
Console.ReadKey();
}
private void ButtonBenchStart_Click(object sender, EventArgs e)
{
int iteration = 1;
if (!int.TryParse(this.textBoxBenchIteration.Text, out iteration))
{
this.DisplayMessageOk("The number of iteration must be a number", "not a number", MessageBoxButtons.OK);
this.textBoxBenchIteration.Text = string.Empty;
this.textBoxBenchIteration.Focus();
return;
}
Stopwatch chrono = new Stopwatch();
chrono.Start();
this.progressBarBenchmark.Visible = true;
this.progressBarBenchmark.Minimum = 0;
this.progressBarBenchmark.Maximum = iteration;
this.progressBarBenchmark.Value = this.progressBarBenchmark.Minimum;
this.listViewBenchmark.GridLines = true;
this.listViewBenchmark.AllowColumnReorder = true;
this.listViewBenchmark.View = View.Details;
int itemCounter = 0;
switch (this.comboBoxBenchChooseMethod.SelectedItem.ToString())
{
case "ReverseString":
string source = "A long long time ago in a galaxy far far away";
for (int i = 0; i < iteration; i++)
{
string tmp = StringFunc.ReverseString(source);
this.progressBarBenchmark.Value = i;
}
chrono.Stop();
ListViewItem item = new ListViewItem(this.comboBoxBenchChooseMethod.SelectedItem.ToString(), itemCounter++);
item.SubItems.Add(iteration.ToString());
item.SubItems.Add(StringFunc.NumberToEnglishWords(iteration));
item.SubItems.Add(DateFunc.TimeSpanToLongTimeNotNull(chrono.Elapsed));
this.listViewBenchmark.Items.Add(item);
break;
case "ReverseString2":
string source2 = "A long long time ago in a galaxy far far away";
for (int i = 0; i < iteration; i++)
{
string tmp2 = StringFunc.ReverseString(source2);
this.progressBarBenchmark.Value = i;
}
chrono.Stop();
ListViewItem item2 = new ListViewItem(this.comboBoxBenchChooseMethod.SelectedItem.ToString(), itemCounter++);
item2.SubItems.Add(iteration.ToString());
item2.SubItems.Add(StringFunc.NumberToEnglishWords(iteration));
item2.SubItems.Add(DateFunc.TimeSpanToLongTimeNotNull(chrono.Elapsed));
this.listViewBenchmark.Items.Add(item2);
break;
case "OppositeCase":
// source = "A long long time ago in a galaxy far far away";
char[] noForbiddenCharacter = new char[0];
source = StringFunc.GenerateRandomString(noForbiddenCharacter, false,
dllFunc.RandomCharacters.UpperLowerDigitSpecial, 255);
for (int i = 0; i < iteration; i++)
{
string tmp = StringFunc.OppositeCase(source);
this.progressBarBenchmark.Value = i;
}
chrono.Stop();
item = new ListViewItem(this.comboBoxBenchChooseMethod.SelectedItem.ToString(), itemCounter++);
item.SubItems.Add(iteration.ToString());
item.SubItems.Add(StringFunc.NumberToEnglishWords(iteration));
item.SubItems.Add(DateFunc.TimeSpanToLongTimeNotNull(chrono.Elapsed));
this.listViewBenchmark.Items.Add(item);
break;
case "SwapCases":
// source2 = "A long long time ago in a galaxy far far away";
noForbiddenCharacter = new char[0];
source2 = StringFunc.GenerateRandomString(noForbiddenCharacter, false,
dllFunc.RandomCharacters.UpperLowerDigitSpecial, 255);
for (int i = 0; i < iteration; i++)
{
string tmp2 = StringFunc.SwapCases(source2);
this.progressBarBenchmark.Value = i;
}
chrono.Stop();
item2 = new ListViewItem(this.comboBoxBenchChooseMethod.SelectedItem.ToString(), itemCounter++);
item2.SubItems.Add(iteration.ToString());
item2.SubItems.Add(StringFunc.NumberToEnglishWords(iteration));
item2.SubItems.Add(DateFunc.TimeSpanToLongTimeNotNull(chrono.Elapsed));
this.listViewBenchmark.Items.Add(item2);
break;
}
this.progressBarBenchmark.Value = this.progressBarBenchmark.Minimum;
this.progressBarBenchmark.Visible = false;
}