File:  [gforth] / gforth / random.fs
Revision 1.5: download - view: text, annotated - select for diffs
Mon Aug 25 14:17:47 2003 UTC (15 years, 1 month ago) by anton
Branches: MAIN
CVS tags: v0-6-2, HEAD
documentation updates
fixed some portability bugs in vmgen-ex and vmgen-ex2
updated copyright years

\ generates random numbers                             12jan94py

\ Copyright (C) 1995,2000,2003 Free Software Foundation, Inc.

\ This file is part of Gforth.

\ Gforth is free software; you can redistribute it and/or
\ modify it under the terms of the GNU General Public License
\ as published by the Free Software Foundation; either version 2
\ of the License, or (at your option) any later version.

\ This program is distributed in the hope that it will be useful,
\ but WITHOUT ANY WARRANTY; without even the implied warranty of
\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
\ GNU General Public License for more details.

\ You should have received a copy of the GNU General Public License
\ along with this program; if not, write to the Free Software
\ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.

Variable seed

$10450405 Constant generator

: rnd  ( -- n )  seed @ generator um* drop 1+ dup seed ! ;

: random ( n -- 0..n-1 )  rnd um* nip ;

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