tcl::chan::randseed(n) Reflected/virtual channel supporttcl::chan::randseed(n)______________________________________________________________________________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 virtchan‐
nel of the Tcllib SF Trackers [http://source‐
forge.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>
virtchannel_base 1 tcl::chan::randseed(n)
