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/* *
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*
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* License: www.highcharts.com/license
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*
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* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
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*
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* */
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'use strict';
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var __extends = (this && this.__extends) || (function () {
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var extendStatics = function (d, b) {
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extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
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return extendStatics(d, b);
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};
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return function (d, b) {
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if (typeof b !== "function" && b !== null)
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throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
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extendStatics(d, b);
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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})();
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import SeriesRegistry from '../../../Core/Series/SeriesRegistry.js';
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var SMAIndicator = SeriesRegistry.seriesTypes.sma;
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import U from '../../../Core/Utilities.js';
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var isArray = U.isArray, merge = U.merge;
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/* *
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*
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* Functions
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*
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* */
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// Utils:
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/**
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* @private
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*/
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function accumulateAverage(points, xVal, yVal, i) {
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var xValue = xVal[i], yValue = yVal[i];
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points.push([xValue, yValue]);
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}
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/**
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* @private
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*/
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function getTR(currentPoint, prevPoint) {
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var pointY = currentPoint, prevY = prevPoint, HL = pointY[1] - pointY[2], HCp = typeof prevY === 'undefined' ? 0 : Math.abs(pointY[1] - prevY[3]), LCp = typeof prevY === 'undefined' ? 0 : Math.abs(pointY[2] - prevY[3]), TR = Math.max(HL, HCp, LCp);
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return TR;
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}
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/**
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* @private
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*/
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function populateAverage(points, xVal, yVal, i, period, prevATR) {
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var x = xVal[i - 1], TR = getTR(yVal[i - 1], yVal[i - 2]), y;
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y = (((prevATR * (period - 1)) + TR) / period);
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return [x, y];
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}
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/* *
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*
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* Class
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*
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* */
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/**
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* The ATR series type.
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*
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* @private
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* @class
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* @name Highcharts.seriesTypes.atr
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*
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* @augments Highcharts.Series
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*/
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var ATRIndicator = /** @class */ (function (_super) {
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__extends(ATRIndicator, _super);
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function ATRIndicator() {
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/* *
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*
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* Static Properties
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*
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* */
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var _this = _super !== null && _super.apply(this, arguments) || this;
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/* *
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*
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* Properties
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*
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* */
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_this.data = void 0;
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_this.points = void 0;
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_this.options = void 0;
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return _this;
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}
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/* *
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*
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* Functions
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*
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* */
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ATRIndicator.prototype.getValues = function (series, params) {
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var period = params.period, xVal = series.xData, yVal = series.yData, yValLen = yVal ? yVal.length : 0, xValue = xVal[0], yValue = yVal[0], range = 1, prevATR = 0, TR = 0, ATR = [], xData = [], yData = [], point, i, points;
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points = [[xValue, yValue]];
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if ((xVal.length <= period) ||
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!isArray(yVal[0]) ||
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yVal[0].length !== 4) {
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return;
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}
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for (i = 1; i <= yValLen; i++) {
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accumulateAverage(points, xVal, yVal, i);
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if (period < range) {
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point = populateAverage(points, xVal, yVal, i, period, prevATR);
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prevATR = point[1];
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ATR.push(point);
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xData.push(point[0]);
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yData.push(point[1]);
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}
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else if (period === range) {
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prevATR = TR / (i - 1);
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ATR.push([xVal[i - 1], prevATR]);
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xData.push(xVal[i - 1]);
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yData.push(prevATR);
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range++;
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}
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else {
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TR += getTR(yVal[i - 1], yVal[i - 2]);
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range++;
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}
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}
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return {
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values: ATR,
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xData: xData,
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yData: yData
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};
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};
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/**
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* Average true range indicator (ATR). This series requires `linkedTo`
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* option to be set.
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*
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* @sample stock/indicators/atr
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* ATR indicator
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*
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* @extends plotOptions.sma
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* @since 6.0.0
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* @product highstock
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* @requires stock/indicators/indicators
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* @requires stock/indicators/atr
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* @optionparent plotOptions.atr
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*/
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ATRIndicator.defaultOptions = merge(SMAIndicator.defaultOptions, {
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/**
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* @excluding index
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*/
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params: {
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index: void 0 // unused index, do not inherit (#15362)
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}
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});
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return ATRIndicator;
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}(SMAIndicator));
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SeriesRegistry.registerSeriesType('atr', ATRIndicator);
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/* *
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*
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* Default Export
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*
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* */
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export default ATRIndicator;
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/* *
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*
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* API Options
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*
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* */
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/**
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* A `ATR` series. If the [type](#series.atr.type) option is not specified, it
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* is inherited from [chart.type](#chart.type).
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*
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* @extends series,plotOptions.atr
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* @since 6.0.0
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* @product highstock
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* @excluding dataParser, dataURL
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* @requires stock/indicators/indicators
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* @requires stock/indicators/atr
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* @apioption series.atr
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*/
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''; // to include the above in the js output
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