tcl::chan::randseed(3tcl)

NAME
tcl::chan::randseed - Utilities for random channels

SYNOPSIS
package require Tcl 8.5

package require TclOO

package require tcl::chan::randseed ?1?

::tcl::randomseed

::tcl::combine seed1 seed2

DESCRIPTION

The tcl::chan::randseed package provides a a few utility commands to help with the seeding of tcl::chan::random channels.

API

::tcl::randomseed
    This command creates returns a list of seed integers suitable as seed argument for random channels. The numbers are derived from the process id, current time, and Tcl random number generator.

::tcl::combine seed1 seed2
    This command takes to seed lists and combines them into a single list by XORing them elementwise, modulo 256. If the lists are not of equial length the shorter of the two is padded with 0s before merging.

BUGS, IDEAS, FEEDBACK
This document, and the package it describes, will undoubtedly contain bugs and other problems. Please report such in the category virtchannel of the Tcllib SF Trackers [http://sourceforge.net/tracker/?group_id=12883]. Please also report any ideas for enhancements you may have for either package and/or documentation.

KEYWORDS
/dev/random, merge, random, reflected channel, seed, tip 219, virtual channel

CATEGORY
Channels

COPYRIGHT
Copyright (c) 2009 Andreas Kupries <andreas_kupries@users.sourceforge.net>