This isn't actually equivalent but this is the mandelbrot generator I include as an example in Linux::Svgalib: 

#!/usr/bin/perl -w
 
use strict;
use Linux::Svgalib;
 
use vars qw($P @Q $col $row @colours );
 
my (
    $max_iterations,
    $max_size )       = (512,4);
 
my $screen = Linux::Svgalib->new();
 
$screen->init();
$screen->setmode(8);
 
my ($XMax,$XMin,$YMax,$YMin) = (1.2,-2.0,1.2,-1.2);
 
my $maxcol = $screen->getxdim();
my $maxrow = $screen->getydim();
my $max_colours = $screen->getcolors();
 
my $deltaP = ($XMax - $XMin) / $maxcol;
my $deltaQ = ($YMax - $YMin) / $maxrow;
 
$Q[0] = $YMax;
 
 
$screen->clear();
 
for( 1 .. $maxrow )
{
    $Q[$_] = $Q[$_ -1] - $deltaQ;
}
 
$P = $XMin;
 
for $col ( 0 .. $maxcol -1 )
{
    for $row ( 0 .. $maxrow - 1)
    {
        my ($X,$Y,$XSquare,$YSquare) = (0,0,0,0);
 
        my $colour = 1;
 
        while (( $colour < $max_iterations ) &&
               (($XSquare + $YSquare ) < $max_size ))
        {
             $XSquare = $X * $X;
             $YSquare = $Y * $Y;
 
             $Y *= $X;
             $Y += $Y + $Q[$row];
             $X = $XSquare - $YSquare + $P;
             $colour++;
        }
           $screen->setcolor($colour % $max_colours);
           $screen->drawpixel($col,$row);
    }
    $P += $deltaP;
}
 
$screen->getch();
 
$screen->setmode(TEXT);

[download]
This is quite fast, especially when the exact same algorithm in C used to take nearly a day to render on an Amiga 500

/J\

In reply to Re: Parrot vs. C cagematch (Just for fun) by gellyfish
in thread Parrot vs. C cagematch (Just for fun) by zentara

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