static void DoGen()
{
IPrimeSource gen = null;
switch (Options.WhichGen)
{
case GenType.Division:
gen = new Methods.TrialDivision();
break;
case GenType.Pascal:
gen = new Methods.PascalRow();
break;
case GenType.Fermat:
gen = new Methods.FermatLittle();
break;
}
TextWriter tw = null;
try {
if (Options.OutputFile != null)
{
var fs = File.Open(Options.OutputFile, FileMode.Create, FileAccess.Write, FileShare.Read);
tw = new StreamWriter(fs);
}
else
{
tw = Console.Out;
}
BigInteger p = Options.Start - 1;
Log.Debug("s = " + p);
while (p <= Options.End)
{
p = gen.NextPrime(p);
tw.WriteLine(p);
}
}
finally {
if (Options.OutputFile != null && tw != null)
{
tw.Dispose();
}
}
}
static void DoTest()
{
//var gen = new GenDivision();
//// var gen = new GenFermat() { Power = 3 };
//BigInteger n = 1;
//for(int i=0; i<100; i++) {
// n = gen.NextPrime(n);
// Console.WriteLine(n);
//}
//return;
//#if false
for (int i = 2; i < 100; i++)
{
var gControl = new Methods.TrialDivision();
var gFermat = new Methods.FermatLittle()
{
Power = i
};
BigInteger next = 1;
int liars = 10;
Console.Write($"{i}");
while (liars >= 0)
{
var con = gControl.NextPrime(next);
var fer = gFermat.NextPrime(next);
while (con < fer)
{
con = gControl.NextPrime(con);
}
if (con != fer)
{
Console.Write($"\t{fer}");
liars--;
}
next = fer;
}
Console.WriteLine();
}
//#endif
}