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Message-ID: <002d01bfe71f$1d832680$0a00a8c0@bellview>
From: "Federico Spinazzi" <spinazzi AT databankgroup DOT it>
To: <cygwin AT sourceware DOT cygnus DOT com>
Subject: R: Random no. problem
Date: Thu, 6 Jul 2000 08:52:21 +0100
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you can look at:

http://lib-www.lanl.gov/numerical/bookc.html

Regards.
FS

-----Messaggio originale-----
Da: Charles Wilson <cwilson AT ece DOT gatech DOT edu>
A: saurabh deshpande <saurabhd AT andrew DOT cmu DOT edu>
Cc: cygwin AT sourceware DOT cygnus DOT com <cygwin AT sourceware DOT cygnus DOT com>
Data: mercoledì 5 luglio 2000 19.29
Oggetto: Re: Random no. problem


>
>
>saurabh deshpande wrote:
>>
>
>> When compiled on Sun Solaris or SGI Irix 6.4 using gcc compier i get
16838.
>> When compiled on Windows NT 4 using Cygnus gcc compiler i get 1103527590.
>> Is there a way i can get the same random numbers on Windows NT 4 and
>> Sun/SGI ?
>>
>
>Not easily. You cannot depend on separate implementations of random
>number generators to give the same results. The only way to get what you
>seem to want (a repeatable pseudo-random sequence on multiple
>architectures) is to roll your own random number generator routine, and
>seed it with the same seed on each architecture. See (for instance)
>"Numerical Recipes in C" or something similar, for relatively decent
>RNGs.
>
>In any case, this is more of a cross-platform, C programming issue, and
>not really a cygwin-specific issue, so you should probably find another
>list to discuss this topic.
>
>--Chuck
>
>--
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>
>


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