XMAN Replicator

Path: /usr/lib/node_modules/npm/node_modules/worker-farm/examples/pi/

Name	Size	Rights	Date	Actions
[.]	<DIR>	drwxr-xr-x	2024-03-03 22:36	🔄 🗑️ 🗑️📁 ⬇️ 🔒
[..]	<DIR>	drwxr-xr-x	2024-03-03 22:36	🔄 🗑️ 🗑️📁 ⬇️ 🔒
calc.js	683 B	-rw-r--r--	2021-03-10 14:36	✏️ 🔄 🗑️ ⬇️ 🔒
index.js	1,208 B	-rw-r--r--	2021-03-10 14:36	✏️ 🔄 🗑️ ⬇️ 🔒

View: calc.js

'use strict'

/* A simple π estimation function using a Monte Carlo method
 * For 0 to `points`, take 2 random numbers < 1, square and add them to
 * find the area under that point in a 1x1 square. If that area is <= 1
 * then it's *within* a quarter-circle, otherwise it's outside.
 * Take the number of points <= 1 and multiply it by 4 and you have an
 * estimate!
 * Do this across multiple processes and average the results to
 * increase accuracy.
 */

module.exports = function (points, callback) {
  let inside = 0
    , i = points

  while (i--)
    if (Math.pow(Math.random(), 2) + Math.pow(Math.random(), 2) <= 1)
      inside++

  callback(null, (inside / points) * 4)
}

🛸 XMAN Replicator

View: calc.js

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