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	Tausworthe PRNG in Terra.
	Written by Cosmin Apreutesei. Public Domain.
	Translated from LuaJIT's lib_math.c Copyright (C) 2005-2017 Mike Pall.

	TODO: how to use thread-local vars in Terra for the global RandomState?

	This implements a Tausworthe PRNG with period 2^223. Based on:
		Tables of maximally-equidistributed combined LFSR generators,
		Pierre L'Ecuyer, 1991, table 3, 1st entry.
	Full-period ME-CF generator with L=64, J=4, k=223, N1=49.

]]

See the source code for more info.