public static long RandomLong(this RandomNumberGenerator random, long min, long max)
{
EnsureMinLEQMax(ref min, ref max);
long numbersInRange = unchecked (max - min + 1);
if (numbersInRange < 0)
{
throw new ArgumentException("Size of range between min and max must be less than or equal to Int64.MaxValue");
}
long randomOffset = random.RandomInt64();
if (IsModuloBiased(randomOffset, numbersInRange))
{
return(RandomLong(random, min, max)); // Try again TODO recusion is evil
}
else
{
return(min + PositiveModuloOrZero(randomOffset, numbersInRange));
}
}