port mean operation

This commit is contained in:
d98762625 2018-05-15 10:40:26 +01:00
parent 9de93022d6
commit 2716be397c

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/**
* @author bwhitn [brian.m.whitney@outlook.com]
* @author d98762625 [d98762625@gmail.com]
* @copyright Crown Copyright 2018
* @license Apache-2.0
*/
import Operation from "../Operation";
import Arithmetic from "../lib/Arithmetic";
import BigNumber from "bignumber.js";
/**
* Mean operation
*/
class Mean extends Operation {
/**
* Mean constructor
*/
constructor() {
super();
this.name = "Mean";
this.module = "Default";
this.description = "Computes the mean (average) 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 .5</code> becomes <code>4.75</code>";
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 = Arithmetic._mean(Arithmetic._createNumArray(input, args[0]));
return val instanceof BigNumber ? val : new BigNumber(NaN);
}
}
export default Mean;