Current File : //www/varak.net/nextcloud.varak.net/apps/photos/vendor/hexogen/kdtree/src/Point.php
<?php
namespace Hexogen\KDTree;
use Hexogen\KDTree\Exception\ValidationException;
use Hexogen\KDTree\Interfaces\PointInterface;
class Point implements PointInterface
{
private $dValues;
private $length;
/**
* Item constructor.
* @param array $dValues
*/
public function __construct(array $dValues)
{
$this->length = count($dValues);
$this->validateDValues($dValues);
$this->dValues = $dValues;
}
/**
* get nth dimension value from vector
*
* @api
* @param int $d
* @return float
*/
public function getNthDimension(int $d): float
{
if ($d < 0 || $d >= $this->length) {
throw new \OutOfRangeException('$d = ' . $d . ' should be between 0 and number of ' . $this->length);
}
return (float)$this->dValues[$d];
}
/**
* validate multi dimension vector
*
* @param array $dValues
* @throws ValidationException
*/
private function validateDValues(array $dValues)
{
if ($this->length == 0) {
throw new ValidationException('$dValues should be not empty');
}
for ($i = 0; $i < $this->length; $i++) {
if (!isset($dValues[$i]) || !is_numeric($dValues[$i])) {
throw new ValidationException('$dValues is not a simple array list');
}
}
}
/**
* @api
* @return int number of dimensions in the point
*/
public function getDimensionsCount(): int
{
return $this->length;
}
}
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