Thomas Lumley 9/22/2015

NZ Flag Referendum pseudorandom numbers

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This technical article examines the pseudorandom number generator (PRNG) specified in New Zealand's Flag Referendum Act for breaking ties. It details how the algorithm is almost, but not exactly, the Wichmann-Hill PRNG, points out a deviation that leads to a non-uniform output distribution, and discusses seed generation and a related potential bug in electoral regulations.

NZ Flag Referendum pseudorandom numbers

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