private BigInteger GetHigherPrime(BigInteger value)
{
if (value < Consts.BI2P64)
{
ulong ret = Prime53.GetHigherPrime(Common.ToULong(value));
if (ret != 0)
{
return(ret);
}
//value = Consts.BI2P64 - 1;
value = Consts.BI2P64; // 2^64 is not prime
}
for (; ;)
//while (value < Consts.BI2P4096_1) // 2^4096-1 is not prime
{
value++;
if (PrimeUtils.IsPrime(value))
{
return(value);
}
if (Ground.IsStopped())
{
break;
}
}
return(0);
}
public static void FindPrimes(BigInteger minval, BigInteger maxval, string outFile)
{
FileTools.Delete(outFile);
if (maxval < minval)
{
throw new Exception("maxval < minval");
}
if (minval < Consts.BI2P64)
{
if (maxval < Consts.BI2P64)
{
Prime53.FindPrimes(Common.ToULong(minval), Common.ToULong(maxval), outFile, () => Ground.IsStopped() == false);
}
else
{
Prime53.FindPrimes(Common.ToULong(minval), ulong.MaxValue, outFile, () => Ground.IsStopped() == false);
FindPrimes_BIBI(Consts.BI2P64, maxval, outFile, rate => 0.5 + rate * 0.5);
}
}
else
{
FindPrimes_BIBI(minval, maxval, outFile, rate => rate);
}
}
public static BigInteger GetPrimeCount(BigInteger minval, BigInteger maxval)
{
BigInteger count;
if (maxval < minval)
{
throw new Exception("maxval < minval");
}
if (minval < Consts.BI2P64)
{
if (maxval < Consts.BI2P64)
{
count = Prime53.GetPrimeCount(Common.ToULong(minval), Common.ToULong(maxval), () => Ground.IsStopped() == false);
}
else
{
count = Prime53.GetPrimeCount(Common.ToULong(minval), ulong.MaxValue, () => Ground.IsStopped() == false);
count += GetPrimeCount_BIBI(Consts.BI2P64, maxval, rate => 0.5 + rate * 0.5);
}
}
else
{
count = GetPrimeCount_BIBI(minval, maxval, rate => rate);
}
return(count);
}
public static bool IsPrime(BigInteger value)
{
if (value < Consts.BI2P64)
{
return(Prime53.IsPrime(Common.ToULong(value)));
}
return(IsPrime_M(value));
}
private BigInteger GetLowerPrime(BigInteger value)
{
while (Consts.BI2P64 <= value)
{
value--;
if (PrimeUtils.IsPrime(value))
{
return(value);
}
if (Ground.IsStopped())
{
return(0);
}
}
return(Prime53.GetLowerPrime(Common.ToULong(value)));
}
private void Main2(ArgsReader ar)
{
using (new MSection(Ground.MtxProcStartEnd))
{
Prime53.INIT();
Ground.LoadConf();
{
string errorReportFile = Path.Combine(ProcMain.SelfDir, Consts.ERROR_REPORT_LOCAL_FILE);
FileTools.Delete(errorReportFile);
try
{
using (MSection.Unsection(Ground.MtxProcStartEnd))
{
#if DEBUG // test code
//new Test0001().Test01();
new Test0001().Test02();
//new Test0001().Test03();
//new Test0001().Test04();
//new Test0001().Test05();
//new Test0001().Test06();
//new Test0001().Test07();
#else
this.Main3(ar);
#endif
}
}
catch (Exception e)
{
File.WriteAllText(errorReportFile, GetLiteMessage(e), Encoding.UTF8);
throw;
}
}
Common.RemoveReportFile();
}
Ground.Destroy();
}