public XOrShift1024(Span <byte> seed)
{
if (seed.Length < 128)
{
throw new Exception($"Not enough seed! 1024 bits = 128 bytes are required");
}
this.state = As.uint64(seed).ToArray();
}
static string hexstring <T>(T src, bool zpad = true, bool specifier = true)
where T : struct
{
var digits = string.Empty;
var fmt = "X";
if (typeof(T) == typeof(sbyte))
{
digits = As.int8(src).ToString(fmt);
}
else if (typeof(T) == typeof(byte))
{
digits = As.uint8(src).ToString(fmt);
}
else if (typeof(T) == typeof(short))
{
digits = As.int16(src).ToString(fmt);
}
else if (typeof(T) == typeof(ushort))
{
digits = As.uint16(src).ToString(fmt);
}
else if (typeof(T) == typeof(int))
{
digits = As.int32(src).ToString(fmt);
}
else if (typeof(T) == typeof(uint))
{
digits = As.uint32(src).ToString(fmt);
}
else if (typeof(T) == typeof(long))
{
digits = As.int64(src).ToString(fmt);
}
else if (typeof(T) == typeof(ulong))
{
digits = As.uint64(src).ToString(fmt);
}
else if (typeof(T) == typeof(float))
{
digits = convert <float, int>(As.float32(src)).ToString(fmt);
}
else if (typeof(T) == typeof(double))
{
digits = convert <double, long>(As.float64(src)).ToString(fmt);
}
else
{
throw unsupported <T>();
}
var spec = specifier ? "0x" : string.Empty;
return(zpad ? (spec + digits.PadLeft(size <T>() * 2, '0')) : (spec + digits));
}