Arithmetic operations now support BigNumbers

This commit is contained in:
n1474335 2018-01-05 18:04:55 +00:00
parent 8d3d39acd3
commit 3f3e7a78eb
3 changed files with 966 additions and 53 deletions

912
package-lock.json generated
View File

@ -1412,6 +1412,7 @@
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View File

@ -524,7 +524,7 @@ const OperationConfig = {
module: "Default",
description: "Adds together a list of numbers. 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>18.5</code>",
inputType: "string",
outputType: "number",
outputType: "BigNumber",
args: [
{
name: "Delimiter",
@ -537,7 +537,7 @@ const OperationConfig = {
module: "Default",
description: "Subtracts a list of numbers. 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>1.5</code>",
inputType: "string",
outputType: "number",
outputType: "BigNumber",
args: [
{
name: "Delimiter",
@ -550,7 +550,7 @@ const OperationConfig = {
module: "Default",
description: "Multiplies a list of numbers. 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>40</code>",
inputType: "string",
outputType: "number",
outputType: "BigNumber",
args: [
{
name: "Delimiter",
@ -563,7 +563,7 @@ const OperationConfig = {
module: "Default",
description: "Divides a list of numbers. 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>2.5</code>",
inputType: "string",
outputType: "number",
outputType: "BigNumber",
args: [
{
name: "Delimiter",
@ -576,7 +576,7 @@ const OperationConfig = {
module: "Default",
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>",
inputType: "string",
outputType: "number",
outputType: "BigNumber",
args: [
{
name: "Delimiter",
@ -589,7 +589,7 @@ const OperationConfig = {
module: "Default",
description: "Computes the median 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 1 .5</code> becomes <code>4.5</code>",
inputType: "string",
outputType: "number",
outputType: "BigNumber",
args: [
{
name: "Delimiter",
@ -602,7 +602,7 @@ const OperationConfig = {
module: "Default",
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>",
inputType: "string",
outputType: "number",
outputType: "BigNumber",
args: [
{
name: "Delimiter",

View File

@ -1,4 +1,5 @@
import Utils from "../Utils.js";
import BigNumber from "bignumber.js";
/**
@ -24,11 +25,11 @@ const Arithmetic = {
*
* @param {string} input
* @param {Object[]} args
* @returns {number}
* @returns {BigNumber}
*/
runSum: function(input, args) {
const val = Arithmetic._sum(Arithmetic._createNumArray(input, args[0]));
return typeof(val) === "number" ? val : NaN;
return val instanceof BigNumber ? val : new BigNumber(NaN);
},
@ -37,11 +38,11 @@ const Arithmetic = {
*
* @param {string} input
* @param {Object[]} args
* @returns {number}
* @returns {BigNumber}
*/
runSub: function(input, args) {
let val = Arithmetic._sub(Arithmetic._createNumArray(input, args[0]));
return typeof(val) === "number" ? val : NaN;
return val instanceof BigNumber ? val : new BigNumber(NaN);
},
@ -50,11 +51,11 @@ const Arithmetic = {
*
* @param {string} input
* @param {Object[]} args
* @returns {number}
* @returns {BigNumber}
*/
runMulti: function(input, args) {
let val = Arithmetic._multi(Arithmetic._createNumArray(input, args[0]));
return typeof(val) === "number" ? val : NaN;
return val instanceof BigNumber ? val : new BigNumber(NaN);
},
@ -63,11 +64,11 @@ const Arithmetic = {
*
* @param {string} input
* @param {Object[]} args
* @returns {number}
* @returns {BigNumber}
*/
runDiv: function(input, args) {
let val = Arithmetic._div(Arithmetic._createNumArray(input, args[0]));
return typeof(val) === "number" ? val : NaN;
return val instanceof BigNumber ? val : new BigNumber(NaN);
},
@ -76,11 +77,11 @@ const Arithmetic = {
*
* @param {string} input
* @param {Object[]} args
* @returns {number}
* @returns {BigNumber}
*/
runMean: function(input, args) {
let val = Arithmetic._mean(Arithmetic._createNumArray(input, args[0]));
return typeof(val) === "number" ? val : NaN;
return val instanceof BigNumber ? val : new BigNumber(NaN);
},
@ -89,11 +90,11 @@ const Arithmetic = {
*
* @param {string} input
* @param {Object[]} args
* @returns {number}
* @returns {BigNumber}
*/
runMedian: function(input, args) {
let val = Arithmetic._median(Arithmetic._createNumArray(input, args[0]));
return typeof(val) === "number" ? val : NaN;
return val instanceof BigNumber ? val : new BigNumber(NaN);
},
@ -102,11 +103,11 @@ const Arithmetic = {
*
* @param {string} input
* @param {Object[]} args
* @returns {number}
* @returns {BigNumber}
*/
runStdDev: function(input, args) {
let val = Arithmetic._stdDev(Arithmetic._createNumArray(input, args[0]));
return typeof(val) === "number" ? val : NaN;
return val instanceof BigNumber ? val : new BigNumber(NaN);
},
@ -116,7 +117,7 @@ const Arithmetic = {
* @private
* @param {string[]} input
* @param {string} delim
* @returns {number[]}
* @returns {BigNumber[]}
*/
_createNumArray: function(input, delim) {
delim = Utils.charRep[delim || "Space"];
@ -125,13 +126,13 @@ const Arithmetic = {
num;
for (let i = 0; i < splitNumbers.length; i++) {
if (splitNumbers[i].indexOf(".") >= 0) {
num = parseFloat(splitNumbers[i].trim());
} else {
num = parseInt(splitNumbers[i].trim(), 0);
}
if (!isNaN(num)) {
numbers.push(num);
try {
num = BigNumber(splitNumbers[i].trim());
if (!num.isNaN()) {
numbers.push(num);
}
} catch (err) {
// This line is not a valid number
}
}
return numbers;
@ -142,12 +143,12 @@ const Arithmetic = {
* Adds an array of numbers and returns the value.
*
* @private
* @param {number[]} data
* @returns {number}
* @param {BigNumber[]} data
* @returns {BigNumber}
*/
_sum: function(data) {
if (data.length > 0) {
return data.reduce((acc, curr) => acc + curr);
return data.reduce((acc, curr) => acc.plus(curr));
}
},
@ -156,12 +157,12 @@ const Arithmetic = {
* Subtracts an array of numbers and returns the value.
*
* @private
* @param {number[]} data
* @returns {number}
* @param {BigNumber[]} data
* @returns {BigNumber}
*/
_sub: function(data) {
if (data.length > 0) {
return data.reduce((acc, curr) => acc - curr);
return data.reduce((acc, curr) => acc.minus(curr));
}
},
@ -170,12 +171,12 @@ const Arithmetic = {
* Multiplies an array of numbers and returns the value.
*
* @private
* @param {number[]} data
* @returns {number}
* @param {BigNumber[]} data
* @returns {BigNumber}
*/
_multi: function(data) {
if (data.length > 0) {
return data.reduce((acc, curr) => acc * curr);
return data.reduce((acc, curr) => acc.times(curr));
}
},
@ -184,12 +185,12 @@ const Arithmetic = {
* Divides an array of numbers and returns the value.
*
* @private
* @param {number[]} data
* @returns {number}
* @param {BigNumber[]} data
* @returns {BigNumber}
*/
_div: function(data) {
if (data.length > 0) {
return data.reduce((acc, curr) => acc / curr);
return data.reduce((acc, curr) => acc.div(curr));
}
},
@ -198,12 +199,12 @@ const Arithmetic = {
* Computes mean of a number array and returns the value.
*
* @private
* @param {number[]} data
* @returns {number}
* @param {BigNumber[]} data
* @returns {BigNumber}
*/
_mean: function(data) {
if (data.length > 0) {
return Arithmetic._sum(data) / data.length;
return Arithmetic._sum(data).div(data.length);
}
},
@ -212,14 +213,14 @@ const Arithmetic = {
* Computes median of a number array and returns the value.
*
* @private
* @param {number[]} data
* @returns {number}
* @param {BigNumber[]} data
* @returns {BigNumber}
*/
_median: function (data) {
if ((data.length % 2) === 0) {
if ((data.length % 2) === 0 && data.length > 0) {
let first, second;
data.sort(function(a, b){
return a - b;
return a.minus(b);
});
first = data[Math.floor(data.length / 2)];
second = data[Math.floor(data.length / 2) - 1];
@ -234,17 +235,17 @@ const Arithmetic = {
* Computes standard deviation of a number array and returns the value.
*
* @private
* @param {number[]} data
* @returns {number}
* @param {BigNumber[]} data
* @returns {BigNumber}
*/
_stdDev: function (data) {
if (data.length > 0) {
let avg = Arithmetic._mean(data);
let devSum = 0;
let devSum = new BigNumber(0);
for (let i = 0; i < data.length; i++) {
devSum += (data[i] - avg) ** 2;
devSum = devSum.plus(data[i].minus(avg).pow(2));
}
return Math.sqrt(devSum / data.length);
return devSum.div(data.length).sqrt();
}
},
};