From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=unavailable autolearn_force=no version=3.4.4 Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!.POSTED!not-for-mail From: Joe Pfeiffer Newsgroups: comp.lang.c,comp.lang.ada,comp.programming,comp.databases.xbase.fox,comp.lang.clipper Subject: Re: Simulating the rolling of dices to produce truly random numbers? Date: Wed, 10 Jan 2018 10:38:10 -0700 Organization: A noiseless patient Spider Message-ID: <1bo9m1lim5.fsf@pfeifferfamily.net> References: <1bshbdljfk.fsf@pfeifferfamily.net> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: reader02.eternal-september.org; posting-host="e48ed228894a3d17117219bdcb899310"; logging-data="26104"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18gH+8e3YugumtTGIe8rQsIftPQHo2PLUo=" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux) Cancel-Lock: sha1:cmbH3jIUgFpBUhaiUSlSkwVH4Xc= sha1:v3XR/XYg+PWkFngJrx/tJW3/Bvk= Xref: reader02.eternal-september.org comp.lang.c:204207 comp.lang.ada:49850 comp.programming:20475 comp.databases.xbase.fox:192 comp.lang.clipper:3110 Date: 2018-01-10T10:38:10-07:00 List-Id: "Mr. Man-wai Chang" writes: > On 11/1/2018 01:20, Joe Pfeiffer wrote: >> There are a zillion ways to generate truly random numbers, all based on >> somehow reading a suitably random input -- no need to simulate dice. >> >> To use a simulation of dice to get random numbers, you'd need to have a >> source of random numbers available to you, to perturb the the behavior >> of the dice. So you'd be using a (relatively) much more efficient >> source of randomness to drive a really inefficient source. > > Are you saying that dices are NOT random enough? > > (I remember Mr. Einstein's statement: "God does not play dice" :) Dice are plenty random enough -- you're talking about simulating them. A *simulation* of dice won't be random enough unless you put randomness into it.