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Subtract with carry : ウィキペディア英語版 | Subtract with carry
Subtract with carry is a pseudorandom number generator of the lagged Fibonacci type introduced by George Marsaglia and Arif Zaman in 1991.〔(A New Class of Random Number Generators ), George Marsaglia and Arif Zaman, The Annals of Applied Probability, Vol. 1, No. 3, 1991〕 It is one of three random number generator engines included in the standard C++11 library. Subtract with carry generates a sequence of numbers using the recurrence relation:
where has the value 1 if , otherwise . ''R'' and ''S'' are constants known as the long and short lags.〔(subtract_with_carry Class ), Microsoft Visual Studio 2010〕 ==References==
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