rogermadjos / randu

A randomization utility built around Mersenne Twister Pseudo-Random Number Generator

randu

Randomization utility built around the Mersenne Twister Pseudo-Random Number Generator.

How to install

npm install randu

API

var randu = require('randu');

This will import randu into your project

randu();

Generates a random floating point number in the range [0, 1).

randu(max);

Generates a random floating point number in the range [0, max).

randu(min, max);

Generates a random floating point number in the range [min, max).

randu.randInt();

Generates a random integer in the range [0, 4294967296).

randu(max);

Generates a random integer in the range [0, max).

randu(min, max);

Generates a random integer in the range [min, max).

randu.randString(len, charset);

Generates a random string with the length len. The result contains only the characters found in charset. The default value of charset is ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789

randu.selectRandomIndex(weights);

Generates a random integer based on weights. e.g. If weights = [1, 2, 1], 0 has 0.25 probability of being selected, 1 has 0.5 and so on.

randu.shuffle(input)

Generates a random permutation of the array input. input is immutable.

License

MIT