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- '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)
- }
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