labyrinth-game-logic

<!doctype html> <html lang="en"> <head> <title>Code coverage report for RandomNumberGenerator.ts</title> <meta charset="utf-8" /> <link rel="stylesheet" href="prettify.css" /> <link rel="stylesheet" href="base.css" /> <link rel="shortcut icon" type="image/x-icon" href="favicon.png" /> <meta name="viewport" content="width=device-width, initial-scale=1" /> <style type='text/css'> .coverage-summary .sorter { background-image: url(sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1><a href="index.html">All files</a> RandomNumberGenerator.ts</h1> <div class='clearfix'> <div class='fl pad1y space-right2'> <span class="strong">100% </span> <span class="quiet">Statements</span> <span class='fraction'>34/34</span> </div> <div class='fl pad1y space-right2'> <span class="strong">100% </span> <span class="quiet">Branches</span> <span class='fraction'>0/0</span> </div> <div class='fl pad1y space-right2'> <span class="strong">100% </span> <span 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class="cline-any cline-yes">1420x</span> <span class="cline-any cline-yes">1420x</span> <span class="cline-any cline-yes">1420x</span> <span class="cline-any cline-yes">1420x</span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">export class RandomNumberGenerator { public readonly seed: string; private a: number; private b: number; private c: number; private d: number; private generator: () => number;   public constructor(seed: string) { this.seed = seed; [this.a, this.b, this.c, this.d] = this.cyrb128(seed); this.generator = this.sfc32(this.a, this.b, this.c, this.d); }   public rand(): number { return this.generator(); }   private cyrb128(str: string) { let h1 = 1779033703, h2 = 3144134277, h3 = 1013904242, h4 = 2773480762; for (let i = 0; i < str.length; i++) { const k = str.charCodeAt(i); h1 = h2 ^ Math.imul(h1 ^ k, 597399067); h2 = h3 ^ Math.imul(h2 ^ k, 2869860233); h3 = h4 ^ Math.imul(h3 ^ k, 951274213); h4 = h1 ^ Math.imul(h4 ^ k, 2716044179); } h1 = Math.imul(h3 ^ (h1 >>> 18), 597399067); h2 = Math.imul(h4 ^ (h2 >>> 22), 2869860233); h3 = Math.imul(h1 ^ (h3 >>> 17), 951274213); h4 = Math.imul(h2 ^ (h4 >>> 19), 2716044179); (h1 ^= h2 ^ h3 ^ h4), (h2 ^= h1), (h3 ^= h1), (h4 ^= h1); return [h1 >>> 0, h2 >>> 0, h3 >>> 0, h4 >>> 0]; }   private sfc32(a: number, b: number, c: number, d: number) { return function () { a |= 0; b |= 0; c |= 0; d |= 0; let t = (((a + b) | 0) + d) | 0; d = (d + 1) | 0; a = b ^ (b >>> 9); b = (c + (c << 3)) | 0; c = (c << 21) | (c >>> 11); c = (c + t) | 0; return (t >>> 0) / 4294967296; }; } }  </pre></td></tr></table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="https://istanbul.js.org/" target="_blank" rel="noopener noreferrer">istanbul</a> at 2024-05-16T14:16:07.597Z </div> <script src="prettify.js"></script> <script> window.onload = function () { prettyPrint(); }; </script> <script src="sorter.js"></script> <script src="block-navigation.js"></script> </body> </html>