Subject: Re: [xsl] Random number generation : requirements From: "Dimitre Novatchev dnovatchev@xxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> Date: Tue, 6 May 2014 17:13:57 -0000 |
This has been implemented in pure XSLT 1 and is part of FXSL since 2002: http://fxsl.sourceforge.net/articles/Random/Casting%20the%20Dice%20with%20FXS L-htm.htm There is generation of the "next" random number from the "current" (essentially a functional composition, where the n-th random number is f^N(seed), generation of a random sequence, generation of a sequence of numbers with probability distributions over non-overlapping intervals, etc. There is even Monte-Carlo Integration method - based test :) Cheers, Dimitre On Tue, May 6, 2014 at 9:54 AM, Michael Kay mike@xxxxxxxxxxxx <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote: > The W3C WGs are looking at the idea of introducing a random-number function of some kind in XPath 3.1. The challenge of course is making this both usable and a pure function with no side-effects. We have various design ideas which we need to test against requirements. > > If you have any applications that use or need such a function, please could I have a brief description of the way it uses random numbers, e.g. just wanting a single random number, a random permutation of 52 integers, an arbitrary sequence of random numebrs for test data generation, etc. > > If you're currently using the EXSLT random-sequence() function, please share your experience with it. > > Michael Kay > Saxonica
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