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Last change
on this file since e4c61dd was e4c61dd, checked in by istevanoska <ilinastevanoska@…>, 6 months ago |
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Prototype 1.1
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Property mode
set to
100644
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File size:
489 bytes
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| 1 | import defaultSource from "./defaultSource.js";
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| 2 |
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| 3 | export default (function sourceRandomGeometric(source) {
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| 4 | function randomGeometric(p) {
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| 5 | if ((p = +p) < 0 || p > 1) throw new RangeError("invalid p");
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| 6 | if (p === 0) return () => Infinity;
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| 7 | if (p === 1) return () => 1;
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| 8 | p = Math.log1p(-p);
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| 9 | return function() {
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| 10 | return 1 + Math.floor(Math.log1p(-source()) / p);
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| 11 | };
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| 12 | }
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| 13 |
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| 14 | randomGeometric.source = sourceRandomGeometric;
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| 15 |
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| 16 | return randomGeometric;
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| 17 | })(defaultSource);
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