/ 
Gfsm-0.0408
River stage one • 3 direct dependents • 3 total dependents
/ Gfsm::constants

NAME

Gfsm::constants - constants defined in the Gfsm module.

SYNOPSIS

use Gfsm;

##------------------------------------------------------------
## Library Information
$version_string = Gfsm::library_version();

##------------------------------------------------------------
## Arc Labels
use Gfsm qw(:labels);
$lab = $Gfsm::epsilon  = Gfsm::epsilon();
$lab = $Gfsm::noLabel  = Gfsm::noLabel();

$lab = $Gfsm::epsilon1 = Gfsm::epsilon1(); # for low-level composition
$lab = $Gfsm::epsilon2 = Gfsm::epsilon2(); # for low-level composition

##------------------------------------------------------------
## State IDs
use Gfsm qw(:states);
$id  = $Gfsm::noState = Gfsm::noState();

##--------------------------------------------------------------
## Semiring types
use Gfsm qw(:srtypes);
$typ = $Gfsm::SRTUnknown  = Gfsm::SRTUnknown();
$typ = $Gfsm::SRTBoolean  = Gfsm::SRTBoolean();
$typ = $Gfsm::SRTLog      = Gfsm::SRTLog();
$typ = $Gfsm::SRTReal     = Gfsm::SRTReal();
$typ = $Gfsm::SRTTrivial  = Gfsm::SRTTrivial();
$typ = $Gfsm::SRTTropical = Gfsm::SRTTropical();
$typ = $Gfsm::SRTPLog     = Gfsm::SRTPLog();
$typ = $Gfsm::SRTPUser    = Gfsm::SRTPUser();

##--------------------------------------------------------------
## Automaton arc-sort modes
use Gfsm qw(:sortmodes);
$mod = $Gfsm::ASMNone   = Gfsm::ASMNone();
$mod = $Gfsm::ASMLower  = Gfsm::ASMLower();
$mod = $Gfsm::ASMUpper  = Gfsm::ASMUpper();
$mod = $Gfsm::ASMWeight = Gfsm::ASMWeight();

$mod = $Gfsm::ACNone    = Gfsm::ACNone();
$mod = $Gfsm::ACReverse = Gfsm::ACReverse();
$mod = $Gfsm::ACAll     = Gfsm::ACAll();

$mod = $Gfsm::ACLower   = Gfsm::ACLower();
$mod = $Gfsm::ACUpper   = Gfsm::ACUpper();
$mod = $Gfsm::ACWeight  = Gfsm::ACWeight();
$mod = $Gfsm::ACSource  = Gfsm::ACSource();
$mod = $Gfsm::ACTarget  = Gfsm::ACTarget();
$mod = $Gfsm::ACUser    = Gfsm::ACUser();

$mod = $Gfsm::ACLowerR  = Gfsm::ACLowerR();
$mod = $Gfsm::ACUpperR  = Gfsm::ACUpperR();
$mod = $Gfsm::ACWeightR = Gfsm::ACWeightR();
$mod = $Gfsm::ACSourceR = Gfsm::ACSourceR();
$mod = $Gfsm::ACTargetR = Gfsm::ACTargetR();
$mod = $Gfsm::ACUserR   = Gfsm::ACUserR();

##-- mask construction & parsing
$bits = $Gfsm::ACShift  = Gfsm::ACShift();
$maxn = $Gfsm::ACMaxN   = Gfsm::ACMaxN();

$mask  = Gfsm::acmask_from_chars($chars);   ##-- $chars a string matching /^[lLuUsStTwW_]*$/
$mask  = Gfsm::acmask_from_args(@cmps);     ##-- @cmps a list of elementary comparisons
$chars = Gfsm::acmask_to_chars($mask);

$mask  = Gfsm::acmask_new($cmp,$n);          ##-- new mask for ${n}th comparison $cmp
$cmp   = Gfsm::acmask_nth($mask,$n);         ##-- get ${n}th comparison in $mask
$cmp0  = Gfsm::acmask_nth_comp($mask,$n);    ##-- get ${n}nth field in $mask (modulo sort direction)
$bool  = Gfsm::acmask_nth_reverse($mask,$n); ##-- is the ${n}th comparison in $mask reversed?
$char  = Gfsm::acmask_nth_char($mask,$n);    ##-- single-character representation of ${n}th comp in $mask

##--------------------------------------------------------------
## Label sides
use Gfsm qw(:labelsides);
$sid = $Gfsm::LSBoth  = Gfsm::LSBoth();
$sid = $Gfsm::LSLower = Gfsm::LSLower();
$sid = $Gfsm::LSUpper = Gfsm::LSUpper();

##--------------------------------------------------------------
## NULL objects
$abet = $Gfsm::Alphabet::NULL;
$fsm  = $Gfsm::Automaton::NULL;

##--------------------------------------------------------------
## all of the above
use Gfsm qw(:constants);

DESCRIPTION

A number of constants may be exported by the Gfsm module. They are listed above.

SEE ALSO

Gfsm(3perl), gfsmutils(1).

AUTHOR

Bryan Jurish <moocow@cpan.org>

COPYRIGHT AND LICENSE

Copyright (C) 2005 by Bryan Jurish

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.14.2 or, at your option, any later version of Perl 5 you may have available.