Overview
| Comment: | Perl module implementing lin CR, for use with apply_cr.pl |
|---|---|
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| Timelines: | family | ancestors | descendants | both | origin/master | trunk |
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| SHA3-256: |
56b1ff20a4faee62c0b9b36cef1c99a0 |
| User & Date: | geraint@users.sourceforge.net on 2004-08-30 23:08:41 |
| Other Links: | branch diff | manifest | tags |
Context
|
2004-08-31
| ||
| 01:28:11 |
Reads the contents of _cr.txt and adds CRs for which a cr.pm exists to the argument list of apply_cr.pl, which modifies the standard stream. check-in: 7ee00e6dc2 user: geraint@users.sourceforge.net tags: origin/master, trunk | |
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2004-08-30
| ||
| 23:08:41 | Perl module implementing lin CR, for use with apply_cr.pl check-in: 56b1ff20a4 user: geraint@users.sourceforge.net tags: origin/master, trunk | |
| 23:07:58 |
Uses pattern matching to apply any CRs (in perl format) specified on its command line to the text on standard input. check-in: 62a01863b3 user: geraint@users.sourceforge.net tags: origin/master, trunk | |
Changes
Added mttroot/mtt/lib/cr/perl/lin.pm version [b081e585d9].
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#-------------------------------------------------------------------------------
# Model Transformation Tools
#-------------------------------------------------------------------------------
package lin;
#-------------------------------------------------------------------------------
# Default linear constitutive relationship
#-------------------------------------------------------------------------------
use strict;
use warnings;
#-------------------------------------------------------------------------------
# standard module header (see perlmod for explanation)
#-------------------------------------------------------------------------------
BEGIN {
use Exporter ();
our ($VERSION, @ISA, @EXPORT, @EXPORT_OK, %EXPORT_TAGS);
$VERSION = 1.00;
@ISA = qw(Exporter);
@EXPORT = qw(&lin); # CR name
%EXPORT_TAGS = ( );
}
#-------------------------------------------------------------------------------
# declaration of specific component implementations
#-------------------------------------------------------------------------------
sub lin_amp (@); # AE AF
sub lin_cir (@); # C I R
sub lin_emtf(@); # EMTF
sub lin_fmr (@); # FMR
sub lin_gy (@); # GY
sub lin_tf (@); # TF
#-------------------------------------------------------------------------------
# main function: selects which subfunction to call
#-------------------------------------------------------------------------------
sub lin (@) {
my $retval;
$_ = $_[0];
s/\((.*)\)/$1/; # strip brackets
my @args = split (/,/); # split arguments
$_ = $args[0]; # get component type
# select rule to use
if (/AE|ae/) { $retval = lin_amp (@args); }
if (/AF|af/) { $retval = lin_amp (@args); }
if (/C|c/) { $retval = lin_cir (@args); }
if (/EMTF|emtf/) { $retval = lin_emtf (@args); }
if (/FMR|fmr/) { $retval = lin_fmr (@args); }
if (/GY|gy/) { $retval = lin_gy (@args); }
if (/I|i/) { $retval = lin_cir (@args); }
if (/R|r/) { $retval = lin_cir (@args); }
if (/TF|tf/) { $retval = lin_tf (@args); }
# if a substitution has been made ($retval)
if ($retval)
{
return $retval; # return substituted expression
}
else # return nothing
{
return;
}
}
#-------------------------------------------------------------------------------
# AE and AF
#-------------------------------------------------------------------------------
sub lin_amp (@) {
my @args = @_;
my $retval = '';
if ($#args == 8-1) {
my ($component,
$gain_causality,
$gain,
$out_causality,
$out_port,
$input,
$in_causality,
$in_port) = @args;
if (($out_port == 2) and
($in_port == 1))
{ # uni-causal
$retval = "((input)*(gain))";
}
elsif (($out_port == 1) and
($in_port == 2))
{ # bi-causal
$retval = "((input)/(gain))";
}
}
if ($retval)
{
return $retval;
}
else
{
return;
}
}
#-------------------------------------------------------------------------------
# C, I and R
#-------------------------------------------------------------------------------
sub lin_cir (@) {
my @args = @_;
my $retval = '';
if ($#args == 8-1)
{
my ($component,
$gain_causality,
$gain,
$out_causality,
$out_port,
$input,
$in_causality,
$in_port) = @args;
if (
($out_port == 1)
and
($in_port == 1)
)
{ # single port
if ($out_causality eq $gain_causality)
{
$retval = "(($input)*($gain))";
}
elsif ($out_causality ne $gain_causality)
{
$retval = "(($input)/($gain))";
}
}
}
if ($retval)
{
return $retval;
}
else
{
return;
}
}
#-------------------------------------------------------------------------------
# EMTF
#-------------------------------------------------------------------------------
sub lin_emtf (@) {
my @args = @_;
my $retval = '';
if ($#args == 10-1)
{ # modulation only
my ($component,
$gain_causality,
$out_causality,
$out_port,
$input,
$in_causality,
$in_port,
$mod_input,
$mod_causality,
$mod_port) = @args;
if ((($mod_causality eq 'effort') and
($mod_port == 3))
and
((($out_causality eq $gain_causality) and
($out_port == 2))
or
(($out_causality ne $gain_causality) and
($out_port == 1))))
{
$retval = "(($input)*($mod_input))";
}
elsif ((($mod_causality eq 'effort') and
($mod_port == 3))
and
((($out_causality ne $gain_causality) and
($out_port == 2))
or
(($out_causality eq $gain_causality) and
($out_port == 1))))
{
$retval = "(($input)/($mod_input))";
}
}
elsif ($#args == 11-1)
{ # modulation and gain
my ($component,
$gain_causality,
$gain,
$out_causality,
$out_port,
$input,
$in_causality,
$in_port,
$mod_input,
$mod_causality,
$mod_port) = @args;
if ((($mod_causality eq 'effort') and
($mod_port == 3))
and
((($out_causality eq $gain_causality) and
($out_port == 2))
or
(($out_causality ne $gain_causality) and
($out_port == 1))))
{
$retval = "(($input)*(($gain)*($mod_input)))";
}
elsif ((($mod_causality eq 'effort') and
($mod_port == 3))
and
((($out_causality ne $gain_causality) and
($out_port == 2))
or
(($out_causality eq $gain_causality) and
($out_port == 1))))
{
$retval = "(($input)/(($gain)*($mod_input)))";
}
}
if ($retval)
{
return $retval;
}
else
{
return;
}
}
#-------------------------------------------------------------------------------
# FMR
#-------------------------------------------------------------------------------
sub lin_fmr (@) {
my @args = @_;
my $retval = '';
if ($#args == 7-1)
{ # uni-causal
# flow modulation multiplies effort on port 1 (or divides flow)
my ($component,
$gain_causality,
$gain,
$out_causality,
$input,
$in_causality,
$mod_input) = @args;
if (($gain_causality eq $in_causality) and
($out_causality eq 'flow'))
{
$retval = "(($input)*($gain)*($mod_input))";
}
elsif (($gain_causality eq $in_causality) and
($out_causality eq 'effort'))
{
$retval = "(($input)*($gain)/($mod_input))";
}
elsif (($gain_causality ne $in_causality) and
($out_causality eq 'flow'))
{
$retval = "(($input)*($mod_input)/($gain))";
}
elsif (($gain_causality ne $in_causality) and
($out_causality eq 'effort'))
{
$retval = "(($input)/(($gain)*($mod_input)))";
}
}
elsif ($#args == 11-1)
{ # bi-causal
# deduces the flow on port 2
my ($component,
$gain_causality,
$gain,
$out_causality,
$out_port,
$e_input,
$e_causality,
$e_port,
$f_input,
$f_causality,
$f_port) = @args;
if (($gain_causality eq 'effort') and
($out_causality eq 'flow') and
($out_port == 2) and
($e_causality eq 'effort') and
($e_port == 1) and
($f_causality eq 'flow') and
($f_port == 1))
{
$retval = "((($f_input)/($e_input))/($gain))";
}
}
if ($retval)
{
return $retval;
}
else
{
return;
}
}
#-------------------------------------------------------------------------------
# GY
#-------------------------------------------------------------------------------
sub lin_gy (@) {
my @args = @_;
my $retval = '';
if ($#args == 8-1)
{
my ($component,
$gain_causality,
$gain,
$out_causality,
$out_port,
$input,
$in_causality,
$in_port) = @args;
if (($out_causality ne $in_causality) and
($out_port != $in_port)
and
(($out_causality ne $gain_causality) and
($out_port == 2))
or
(($out_causality ne $gain_causality) and
($out_port == 1)))
{
$retval = "(($input)/($gain))";
}
elsif (($out_causality ne $in_causality) and
($out_port != $in_port)
and
(($out_causality eq $gain_causality) and
($out_port == 2))
or
(($out_causality eq $gain_causality) and
($out_port == 1)))
{
$retval = "(($input)*($gain))";
}
}
if ($retval)
{
return $retval;
}
else
{
return;
}
}
#-------------------------------------------------------------------------------
# TF
#-------------------------------------------------------------------------------
sub lin_tf (@) {
my @args = @_;
my $retval = '';
if ($#args == 8-1)
{
my ($component,
$gain_causality,
$gain,
$out_causality,
$out_port,
$input,
$in_causality,
$in_port) = @args;
if (($out_causality eq $in_causality) and
($out_port ne $in_port)
and
(($out_causality eq $gain_causality) and
($out_port == 2))
or
(($out_causality ne $gain_causality) and
($out_port == 1)))
{
$retval = "(($input)*($gain))";
}
elsif (($out_causality eq $in_causality) and
($out_port ne $in_port)
and
(($out_causality ne $gain_causality) and
($out_port == 2))
or
(($out_causality eq $gain_causality) and
($out_port == 1)))
{
$retval = "(($input)/($gain))";
}
}
if ($retval)
{
return $retval;
}
else
{
return;
}
}
#-------------------------------------------------------------------------------
1; # return true
|