File:  [gforth] / gforth / random.fs
Revision 1.7: download - view: text, annotated - select for diffs
Mon Dec 31 19:02:24 2007 UTC (16 years, 2 months ago) by anton
Branches: MAIN
CVS tags: v0-7-0, HEAD
updated copyright year after changing license notice

\ generates random numbers                             12jan94py

\ Copyright (C) 1995,2000,2003,2007 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 3
\ 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, see http://www.gnu.org/licenses/.

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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