mirror of
https://github.com/gchq/CyberChef.git
synced 2024-11-16 00:48:31 +01:00
53 lines
1.4 KiB
JavaScript
53 lines
1.4 KiB
JavaScript
/**
|
|
* @author bwhitn [brian.m.whitney@outlook.com]
|
|
* @author d98762625 [d98762625@gmail.com]
|
|
* @copyright Crown Copyright 2018
|
|
* @license Apache-2.0
|
|
*/
|
|
|
|
import BigNumber from "bignumber.js";
|
|
import Operation from "../Operation";
|
|
import { stdDev, createNumArray } from "../lib/Arithmetic";
|
|
import { ARITHMETIC_DELIM_OPTIONS } from "../lib/Delim";
|
|
|
|
|
|
/**
|
|
* Standard Deviation operation
|
|
*/
|
|
class StandardDeviation extends Operation {
|
|
|
|
/**
|
|
* StandardDeviation constructor
|
|
*/
|
|
constructor() {
|
|
super();
|
|
|
|
this.name = "Standard Deviation";
|
|
this.module = "Default";
|
|
this.description = "Computes the standard deviation of a number list. If an item in the string is not a number it is excluded from the list.<br><br>e.g. <code>0x0a 8 .5</code> becomes <code>4.089281382128433</code>";
|
|
this.infoURL = "https://wikipedia.org/wiki/Standard_deviation";
|
|
this.inputType = "string";
|
|
this.outputType = "BigNumber";
|
|
this.args = [
|
|
{
|
|
"name": "Delimiter",
|
|
"type": "option",
|
|
"value": ARITHMETIC_DELIM_OPTIONS,
|
|
}
|
|
];
|
|
}
|
|
|
|
/**
|
|
* @param {string} input
|
|
* @param {Object[]} args
|
|
* @returns {BigNumber}
|
|
*/
|
|
run(input, args) {
|
|
const val = stdDev(createNumArray(input, args[0]));
|
|
return BigNumber.isBigNumber(val) ? val : new BigNumber(NaN);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
export default StandardDeviation;
|