public function setUp()
{
//Take Associated and Reaction Neurons -> in order to test direct and reverse directions
$this->_from = Factory::neuron(Factory::ASSOC, 0);
$this->_to = Factory::neuron(Factory::REACT, 0);
//Init relation
$this->_relation = new Relation($this->_from, $this->_to);
Net::setMode(Net::TEACHER_MODE);
}
/**
* @param \Sereban\NeuronNet\Tests\Lib\Relation|null $relation
* @return mixed
*/
public function initWeight(Relation $relation = null)
{
if (empty($relation)) {
$relationClass = new \ReflectionClass("Sereban\\NeuronNet\\Relation");
$relation = $relationClass->newInstance(Factory::neuron(Factory::ASSOC, 0), Factory::neuron(Factory::REACT, 0));
} else {
$relationClass = new \ReflectionClass($relation);
}
//Init ReflectionMethod
$initWeightMethod = $relationClass->getMethod($this->_initWeightMethod);
$initWeightMethod->setAccessible(true);
return $initWeightMethod->invoke($relation);
}
/**
* @param array $signals
* @param int $direction
* @return array
*/
public function prepareNeuronToCalculation($signals = array(), $direction)
{
$assoc = Factory::neuron(Factory::ASSOC, 0);
$react = Factory::neuron(Factory::REACT, 0);
//Adding Signals
foreach ($signals as $signal) {
$assoc->addSignal($signal);
$react->addSignal($signal);
}
$this->_addLayoutToNeuron($assoc);
$this->_addLayoutToNeuron($react);
//Calculation
Net::setDirection($direction);
return array(Factory::ASSOC => $assoc, Factory::REACT => $react);
}
public function testCreation()
{
try {
$types = $this->parseYaml($this->_getCurrentFolder(__DIR__, "neuron", "types.yml"));
foreach ($types as $type => $data) {
if (isset($data["class"]) && isset($data["index"])) {
/** @var \Sereban\NeuronNet\Neuron $neuron */
$neuron = Factory::neuron($type, $data["index"]);
//Assertions
$this->assertInstanceOf($data["class"], $neuron);
$this->assertEquals($data["index"], $neuron->getIndex());
}
}
} catch (\Exception $e) {
$this->fail($e->getMessage());
}
}
/**
* @param \Sereban\NeuronNet\Layout\Collection $layoutCollection
* @param array $initialValues
* @param array $teacherValues
* @throws \Exception
*/
public function initNeuronsInLayoutCollection(NeuronNet\Layout\Collection &$layoutCollection, $initialValues, $teacherValues)
{
$layoutIndex = 0;
/** @var array $neuronsSchema -> $type: $count*/
$neuronsSchema = array(Factory::STIM => count($initialValues), Factory::ASSOC => count($initialValues), Factory::REACT => count($teacherValues));
foreach ($neuronsSchema as $type => $count) {
$layout = $layoutCollection->seek($layoutIndex++);
for ($j = 0; $j < $count; $j++) {
/** @var Neuron $neuron */
$neuron = Factory::neuron($type, $j);
$layout->addNeuron($neuron);
$neuron->setLayout($layout);
}
//Set Data to Neurons
if ($type == Factory::STIM) {
$layout->setValues($initialValues);
} elseif ($type == Factory::REACT) {
$layout->setValues($teacherValues);
}
}
}
