text: /**
   * @license Highstock JS v8.2.2 (2020-10-22)
   *
   * Indicator series type for Highstock
   *
   * (c) 2010-2019 Sebastian Bochan
   *
   * License: www.highcharts.com/license
   */
  'use strict';
  (function (factory) {
      if (typeof module === 'object' && module.exports) {
          factory['default'] = factory;
          module.exports = factory;
      } else if (typeof define === 'function' && define.amd) {
          define('highcharts/indicators/ema', ['highcharts', 'highcharts/modules/stock'], function (Highcharts) {
              factory(Highcharts);
              factory.Highcharts = Highcharts;
              return factory;
          });
      } else {
          factory(typeof Highcharts !== 'undefined' ? Highcharts : undefined);
      }
  }(function (Highcharts) {
      var _modules = Highcharts ? Highcharts._modules : {};
      function _registerModule(obj, path, args, fn) {
          if (!obj.hasOwnProperty(path)) {
              obj[path] = fn.apply(null, args);
          }
      }
      _registerModule(_modules, 'Stock/Indicators/EMAIndicator.js', [_modules['Core/Series/Series.js'], _modules['Core/Utilities.js']], function (BaseSeries, U) {
          /* *
           *
           *  License: www.highcharts.com/license
           *
           *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
           *
           * */
          var correctFloat = U.correctFloat,
              isArray = U.isArray;
          /**
           * The EMA series type.
           *
           * @private
           * @class
           * @name Highcharts.seriesTypes.ema
           *
           * @augments Highcharts.Series
           */
          BaseSeries.seriesType('ema', 'sma', 
          /**
           * Exponential moving average indicator (EMA). This series requires the
           * `linkedTo` option to be set.
           *
           * @sample stock/indicators/ema
           *         Exponential moving average indicator
           *
           * @extends      plotOptions.sma
           * @since        6.0.0
           * @product      highstock
           * @requires     stock/indicators/indicators
           * @requires     stock/indicators/ema
           * @optionparent plotOptions.ema
           */
          {
              params: {
                  /**
                   * The point index which indicator calculations will base. For
                   * example using OHLC data, index=2 means the indicator will be
                   * calculated using Low values.
                   *
                   * By default index value used to be set to 0. Since Highstock 7
                   * by default index is set to 3 which means that the ema
                   * indicator will be calculated using Close values.
                   */
                  index: 3,
                  period: 9 // @merge 14 in v6.2
              }
          }, 
          /**
           * @lends Highcharts.Series#
           */
          {
              accumulatePeriodPoints: function (period, index, yVal) {
                  var sum = 0,
                      i = 0,
                      y = 0;
                  while (i < period) {
                      y = index < 0 ? yVal[i] : yVal[i][index];
                      sum = sum + y;
                      i++;
                  }
                  return sum;
              },
              calculateEma: function (xVal, yVal, i, EMApercent, calEMA, index, SMA) {
                  var x = xVal[i - 1],
                      yValue = index < 0 ?
                          yVal[i - 1] :
                          yVal[i - 1][index],
                      y;
                  y = typeof calEMA === 'undefined' ?
                      SMA : correctFloat((yValue * EMApercent) +
                      (calEMA * (1 - EMApercent)));
                  return [x, y];
              },
              getValues: function (series, params) {
                  var period = params.period,
                      xVal = series.xData,
                      yVal = series.yData,
                      yValLen = yVal ? yVal.length : 0,
                      EMApercent = 2 / (period + 1),
                      sum = 0,
                      EMA = [],
                      xData = [],
                      yData = [],
                      index = -1,
                      SMA = 0,
                      calEMA,
                      EMAPoint,
                      i;
                  // Check period, if bigger than points length, skip
                  if (yValLen < period) {
                      return;
                  }
                  // Switch index for OHLC / Candlestick / Arearange
                  if (isArray(yVal[0])) {
                      index = params.index ? params.index : 0;
                  }
                  // Accumulate first N-points
                  sum = this.accumulatePeriodPoints(period, index, yVal);
                  // first point
                  SMA = sum / period;
                  // Calculate value one-by-one for each period in visible data
                  for (i = period; i < yValLen + 1; i++) {
                      EMAPoint = this.calculateEma(xVal, yVal, i, EMApercent, calEMA, index, SMA);
                      EMA.push(EMAPoint);
                      xData.push(EMAPoint[0]);
                      yData.push(EMAPoint[1]);
                      calEMA = EMAPoint[1];
                  }
                  return {
                      values: EMA,
                      xData: xData,
                      yData: yData
                  };
              }
          });
          /**
           * A `EMA` series. If the [type](#series.ema.type) option is not
           * specified, it is inherited from [chart.type](#chart.type).
           *
           * @extends   series,plotOptions.ema
           * @since     6.0.0
           * @product   highstock
           * @excluding dataParser, dataURL
           * @requires  stock/indicators/indicators
           * @requires  stock/indicators/ema
           * @apioption series.ema
           */
          ''; // adds doclet above to the transpiled file
  
      });
      _registerModule(_modules, 'masters/indicators/ema.src.js', [], function () {
  
  
      });
  }));