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neuralnet.php
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Done Genome serialization/unserialization [Genome::serialize()] + [Genome::unserialize(String)]

This commit is contained in:
xdrm-brackets 2016-10-26 18:07:52 +02:00
parent 7cacdb3b63
commit 20382821ca
2 changed files with 70 additions and 17 deletions
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64
build/neuralnetwork/core/Genome.php
View File

@ -4,7 +4,7 @@
use filemanager\core\FileManager;
class Genome/* implements \Serializable*/{
class Genome implements \Serializable{
/************************************************
**** Constants ****
@ -20,6 +20,10 @@
public $synapses; // Synapses between neurons
/************************************************
**** Genome Construction ****
************************************************/
/* CONSTRUCTOR
*
* -- RANDOM CREATION --
@ -146,6 +150,10 @@
}
/************************************************
**** Genome Actions ****
************************************************/
/* APPLIES A MUTATION ON THE Genome WITH A SPECIFIC @threshold
*
* @threshold<double> Mutation threshold
@ -186,6 +194,60 @@
for( $i = 0, $l = count($iSynapses) ; $i < $l ; $i++ )
$this->synapses[$iSynapses[$i]] = rand(self::MIN, self::MAX) / self::MAX;
}
/************************************************
**** Serialization ****
************************************************/
/* SERIALIZES A Genome
*
* @return serialized<String> Serialized representation of the Genome
*
*/
public function serialize(){
/* (1) Initialize result */
$csv = '';
/* (2) Adds global attributes */
$csv .= $this->layers .';';
/* (3) Adds neurons data */
$csv .= implode(',', $this->neurons) .';';
/* (4) Adds synapses data */
$csv .= implode(',', $this->synapses);
return $csv;
}
/* BUILDS A Genome BASED ON HIS SERIALIZED REPRESENTATION
*
* @serialized<String> Serialized representation of a Genome
*
*/
public function unserialize($serialized){
/* (1) Segmenting data */
$segments = explode(';', $serialized);
// Manage segmentation error
if( count($segments) < 3 )
throw new \Error('Format error during Genome unserialization.');
/* (2) Get global attributes */
if( !is_numeric($segments[0]) )
throw new \Error('Format error during Genome unserialization.');
$this->layers = intval($segments[0]);
/* (3) Get neurons values */
$this->neurons = explode(',', $segments[1]);
/* (4) Get synapses values */
$this->synapses = explode(',', $segments[2]);
}
}

23
public/main.php
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@ -45,31 +45,22 @@
/* (1) Basic Creation */
$a = new Genome(2, 3); // 2 layers of 3 neurons each -> randomly filled
echo "A neurons\n";
echo implode(' ; ', $a->neurons)."\n";
echo "A synapses\n";
echo implode(' ; ', $a->synapses)."\n\n";
echo "A : ".$a->serialize()."\n";
/* (2) Inheritance */
$b = new Genome($a); // Clone of @aecho "A neurons\n";
echo "A's clone neurons\n";
echo implode(' ; ', $b->neurons)."\n";
echo "A's clone synapses\n";
echo implode(' ; ', $b->synapses)."\n\n";
echo "cloning A to B\n";
echo "B : ".$b->serialize()."\n";
/* (3) Section Title */
$b->mutation(0.3); // @b has now mutated with a threshold of 30%
echo "mutated clone neurons\n";
echo implode(' ; ', $b->neurons)."\n";
echo "mutated clone synapses\n";
echo implode(' ; ', $b->synapses)."\n\n";
echo "mutate B\n";
echo "B : ".$b->serialize()."\n";
/* (4) Cross-over (father+mother) */
$c = new Genome($a, $b); // @c is a randomly-done mix of @a and @b
echo "A+B neurons\n";
echo implode(' ; ', $c->neurons)."\n";
echo "A+B synapses\n";
echo implode(' ; ', $c->synapses)."\n\n";
echo "crossover : A+B -> C\n";
echo "C : ".$c->serialize()."\n";
}