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  1. Commons Math
  2. MATH-723

BitStreamGenerators (MersenneTwister, Well generators) do not clear normal deviate cache on setSeed

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 2.0, 2.1, 2.2
    • 3.0
    • None

    Description

      The BitStream generators generate normal deviates (for nextGaussian) in pairs, caching the last value generated. When reseeded, the cache should be cleared; otherwise seeding two generators with the same value is not guaranteed to generate the same sequence.

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            psteitz Phil Steitz
            psteitz Phil Steitz
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