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/**
* @license Highcharts JS v7.1.1 (2019-04-09)
*
* 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/cci', ['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, 'indicators/cci.src.js', [_modules['parts/Globals.js']], function (H) {
/* *
*
* License: www.highcharts.com/license
*
* */
var isArray = H.isArray,
seriesType = H.seriesType;
// Utils:
function sumArray(array) {
return array.reduce(function (prev, cur) {
return prev + cur;
}, 0);
}
function meanDeviation(arr, sma) {
var len = arr.length,
sum = 0,
i;
for (i = 0; i < len; i++) {
sum += Math.abs(sma - (arr[i]));
}
return sum;
}
/**
* The CCI series type.
*
* @private
* @class
* @name Highcharts.seriesTypes.cci
*
* @augments Highcharts.Series
*/
seriesType(
'cci',
'sma',
/**
* Commodity Channel Index (CCI). This series requires `linkedTo` option to
* be set.
*
* @sample stock/indicators/cci
* CCI indicator
*
* @extends plotOptions.sma
* @since 6.0.0
* @product highstock
* @optionparent plotOptions.cci
*/
{
params: {
period: 14
}
},
/**
* @lends Highcharts.Series#
*/
{
getValues: function (series, params) {
var period = params.period,
xVal = series.xData,
yVal = series.yData,
yValLen = yVal ? yVal.length : 0,
TP = [],
periodTP = [],
range = 1,
CCI = [],
xData = [],
yData = [],
CCIPoint, p, len, smaTP, TPtemp, meanDev, i;
// CCI requires close value
if (
xVal.length <= period ||
!isArray(yVal[0]) ||
yVal[0].length !== 4
) {
return false;
}
// accumulate first N-points
while (range < period) {
p = yVal[range - 1];
TP.push((p[1] + p[2] + p[3]) / 3);
range++;
}
for (i = period; i <= yValLen; i++) {
p = yVal[i - 1];
TPtemp = (p[1] + p[2] + p[3]) / 3;
len = TP.push(TPtemp);
periodTP = TP.slice(len - period);
smaTP = sumArray(periodTP) / period;
meanDev = meanDeviation(periodTP, smaTP) / period;
CCIPoint = ((TPtemp - smaTP) / (0.015 * meanDev));
CCI.push([xVal[i - 1], CCIPoint]);
xData.push(xVal[i - 1]);
yData.push(CCIPoint);
}
return {
values: CCI,
xData: xData,
yData: yData
};
}
}
);
/**
* A `CCI` series. If the [type](#series.cci.type) option is not
* specified, it is inherited from [chart.type](#chart.type).
*
* @extends series,plotOptions.cci
* @since 6.0.0
* @excluding dataParser, dataURL
* @product highstock
* @apioption series.cci
*/
});
_registerModule(_modules, 'masters/indicators/cci.src.js', [], function () {
});
}));