Completed
Branch master (eb975e)
by Basarab
06:37 queued 04:53
created

Point::__construct()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 7
Code Lines 4

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 5
CRAP Score 1

Importance

Changes 0
Metric Value
dl 0
loc 7
ccs 5
cts 5
cp 1
rs 9.4285
c 0
b 0
f 0
cc 1
eloc 4
nc 1
nop 1
crap 1
1
<?php
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namespace Hexogen\KDTree;
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use Hexogen\KDTree\Exception\ValidationException;
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class Point implements PointInterface
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{
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    private $dValues;
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    private $length;
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    /**
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     * Item constructor.
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     * @param array $dValues
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     */
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    public function __construct(array $dValues)
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    {
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        $this->length = count($dValues);
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        $this->validateDValues($dValues);
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        $this->dValues = $dValues;
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    }
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    /**
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     * get nth dimension value from vector
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     *
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     * @param int $d
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     * @return float
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     */
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    public function getNthDimension(int $d): float
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    {
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        if ($d < 0 || $d >= $this->length) {
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            throw new \OutOfRangeException('$d = ' . $d . '  should be between 0 and number of ' . $this->length);
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        }
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        return (float)$this->dValues[$d];
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    }
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    /**
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     * validate multi dimension vector
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     *
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     * @param array $dValues
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     * @throws ValidationException
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     */
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    private function validateDValues(array $dValues)
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    {
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        if ($this->length == 0) {
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            throw new ValidationException('$dValues should be not empty');
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        }
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        for ($i = 0; $i < $this->length; $i++) {
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            if (!isset($dValues[$i]) || !is_numeric($dValues[$i])) {
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                throw new ValidationException('$dValues is not a simple array list');
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            }
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        }
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    }
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    /**
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     * @return int number of dimensions in array
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     */
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    public function getDimensionsCount(): int
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    {
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        return $this->length;
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    }
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}
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