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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace SciPhp\NumPhp; |
| 6 | |
| 7 | use SciPhp\LinAlg; |
| 8 | use SciPhp\Random; |
| 9 | |
| 10 | trait ExtensionsTrait |
| 11 | { |
| 12 | /** |
| 13 | * @var \SciPhp\LinAlg LinAlg instance |
| 14 | */ |
| 15 | private static $linalg; |
| 16 | |
| 17 | /** |
| 18 | * @var \SciPhp\Random Random instance |
| 19 | */ |
| 20 | private static $random; |
| 21 | |
| 22 | /** |
| 23 | * Loads Linear Algebra extension |
| 24 | * |
| 25 | * @return \SciPhp\LinAlg Linear algebra wrapper instance |
| 26 | * @link http://sciphp.org/ref.linalg Documentation |
| 27 | * |
| 28 | * @since 0.3.0 |
| 29 | * @api |
| 30 | */ |
| 31 | final public static function linalg(): LinAlg |
| 32 | { |
| 33 | if (\is_null(self::$linalg)) { |
| 34 | self::$linalg = new LinAlg(); |
| 35 | } |
| 36 | |
| 37 | return self::$linalg; |
| 38 | } |
| 39 | |
| 40 | /** |
| 41 | * Loads Random generator extension |
| 42 | * |
| 43 | * @return \SciPhp\Random Random wrapper instance |
| 44 | * @link http://sciphp.org/ref.random Documentation |
| 45 | * |
| 46 | * @since 0.5.0 |
| 47 | * @api |
| 48 | */ |
| 49 | final public static function random(): Random |
| 50 | { |
| 51 | if (\is_null(self::$random)) { |
| 52 | self::$random = new Random(); |
| 53 | } |
| 54 | |
| 55 | return self::$random; |
| 56 | } |
| 57 | } |