/*
 * (c) Copyright Ascensio System SIA 2010-2024
 *
 * This program is a free software product. You can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License (AGPL)
 * version 3 as published by the Free Software Foundation. In accordance with
 * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
 * that Ascensio System SIA expressly excludes the warranty of non-infringement
 * of any third-party rights.
 *
 * This program is distributed WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For
 * details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
 *
 * You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
 * street, Riga, Latvia, EU, LV-1050.
 *
 * The  interactive user interfaces in modified source and object code versions
 * of the Program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU AGPL version 3.
 *
 * Pursuant to Section 7(b) of the License you must retain the original Product
 * logo when distributing the program. Pursuant to Section 7(e) we decline to
 * grant you any rights under trademark law for use of our trademarks.
 *
 * All the Product's GUI elements, including illustrations and icon sets, as
 * well as technical writing content are licensed under the terms of the
 * Creative Commons Attribution-ShareAlike 4.0 International. See the License
 * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
 *
 */

"use strict";

(/**
 * @param {Window} window
 * @param {undefined} undefined
 */
function (window, undefined) {
	var cBaseFunction = AscCommonExcel.cBaseFunction;
	var cFormulaFunctionGroup = AscCommonExcel.cFormulaFunctionGroup;
	var cElementType = AscCommonExcel.cElementType;
	var cErrorType = AscCommonExcel.cErrorType;
	var cNumber = AscCommonExcel.cNumber;
	var cError = AscCommonExcel.cError;
	var argType = Asc.c_oAscFormulaArgumentType;

	function StatisticOnlineAlgorithm(isCalculated) {
		this.isCalculated = !!isCalculated;
		this.reset();
	}

	StatisticOnlineAlgorithm.prototype.reset = function () {
		this.count = 0;
		this.countNums = 0;
		this.min = Number.POSITIVE_INFINITY;
		this.max = Number.NEGATIVE_INFINITY;
		this.sum = 0;
		this.product = 1;
		this.mean = 0;
		this.M2 = 0;
		this.errorType = null;
	};
	StatisticOnlineAlgorithm.prototype.union = function (val, isCalculated) {
		this.isCalculated = !!isCalculated;
		this.min = Math.min(this.min, val.min);
		this.max = Math.max(this.max, val.max);
		this.sum = this.sum + val.sum;
		this.product = this.product * val.product;
		//Parallel Welford's online algorithm
		var delta = val.mean - this.mean;
		if (this.countNums + val.countNums > 0) {
			this.mean = this.mean + delta * val.countNums / (this.countNums + val.countNums);
			this.M2 = this.M2 + val.M2 + delta * delta * this.countNums * val.countNums / (this.countNums + val.countNums);
		}
		this.count = this.count + val.count;
		this.countNums = this.countNums + val.countNums;
		this.errorType = this.errorType || val.errorType;
	};
	StatisticOnlineAlgorithm.prototype.add = function (val) {
		this.count++;
		this.countNums++;
		this.min = Math.min(this.min, val);
		this.max = Math.max(this.max, val);
		this.sum += val;
		this.product *= val;
		//Welford's online algorithm
		var delta = val - this.mean;
		this.mean += delta / this.countNums;
		this.M2 += delta * (val - this.mean);
	};
	StatisticOnlineAlgorithm.prototype.addCount = function () {
		this.count++;
	};
	StatisticOnlineAlgorithm.prototype.addError = function (errorType) {
		this.errorType = errorType;
	};
	StatisticOnlineAlgorithm.prototype.getCount = function () {
		return this.count;
	};
	StatisticOnlineAlgorithm.prototype.getCountNums = function () {
		return this.countNums;
	};
	StatisticOnlineAlgorithm.prototype.getMin = function () {
		return this.min;
	};
	StatisticOnlineAlgorithm.prototype.getMax = function () {
		return this.max;
	};
	StatisticOnlineAlgorithm.prototype.getSum = function () {
		return this.sum;
	};
	StatisticOnlineAlgorithm.prototype.getMean = function () {
		return this.mean;
	};
	StatisticOnlineAlgorithm.prototype.getProduct = function () {
		return this.countNums > 0 ? this.product : 0;
	};
	StatisticOnlineAlgorithm.prototype.getVar = function () {
		return this.countNums > 1 ? (this.M2 / (this.countNums - 1)) : 0;
	};
	StatisticOnlineAlgorithm.prototype.getVarP = function () {
		return this.countNums > 0 ? (this.M2 / this.countNums) : 0;
	};
	StatisticOnlineAlgorithm.prototype.getStdDev = function () {
		return Math.sqrt(this.getVar());
	};
	StatisticOnlineAlgorithm.prototype.getStdDevP = function () {
		return Math.sqrt(this.getVarP());
	};
	StatisticOnlineAlgorithm.prototype.isEmpty = function () {
		return 0 === this.count && 0 === this.countNums;
	};
	StatisticOnlineAlgorithm.prototype.getCellValue = function (dataType, fieldType, rowType, colType) {
		var oCellValue;
		if (this.isEmpty() && !this.isCalculated) {
			return oCellValue;
		}
		oCellValue = new AscCommonExcel.CCellValue();
		oCellValue.type = AscCommon.CellValueType.Number;
		if (null !== this.errorType && dataType !== Asc.c_oAscItemType.Count && dataType !== Asc.c_oAscItemType.CountA) {
			oCellValue.type = AscCommon.CellValueType.Error;
			oCellValue.text = AscCommonExcel.cError.prototype.getStringFromErrorType(this.errorType);
			return oCellValue;
		}
		var type = dataType;
		if (Asc.c_oAscItemType.Default !== fieldType && Asc.c_oAscItemType.Data !== fieldType && Asc.c_oAscItemType.Blank !== fieldType && Asc.c_oAscItemType.Grand !== fieldType) {
			type = fieldType;
		}
		if (Asc.c_oAscItemType.Default !== rowType && Asc.c_oAscItemType.Data !== rowType && Asc.c_oAscItemType.Blank !== rowType && Asc.c_oAscItemType.Grand !== rowType) {
			type = rowType;
			if (Asc.c_oAscItemType.Default !== colType && Asc.c_oAscItemType.Data !== colType && Asc.c_oAscItemType.Blank !== colType && Asc.c_oAscItemType.Grand !== colType) {
				if (rowType !== colType) {
					type = Asc.c_oAscItemType.Blank;
				}
			}
		}
		switch (type) {
			case Asc.c_oAscItemType.Count:
				oCellValue.number = this.getCountNums();
				break;
			case Asc.c_oAscItemType.CountA:
				oCellValue.number = this.getCount();
				break;
			case Asc.c_oAscItemType.Max:
				if (this.isCalculated) {
					oCellValue.number = this.getMax();
				} else {
					oCellValue.number = this.countNums > 0 ? this.getMax() : 0;
				}
				break;
			case Asc.c_oAscItemType.Min:
				if (this.isCalculated) {
					oCellValue.number = this.getMin();
				} else {
					oCellValue.number = this.countNums > 0 ? this.getMin() : 0;
				}
				break;
			case Asc.c_oAscItemType.Product:
				oCellValue.number = this.getProduct();
				break;
			case Asc.c_oAscItemType.Avg:
				if (this.countNums > 0) {
					oCellValue.number = this.getMean();
				} else {
					oCellValue.type = AscCommon.CellValueType.Error;
					oCellValue.text = AscCommonExcel.cError.prototype.getStringFromErrorType(cErrorType.division_by_zero);
				}
				break;
			case Asc.c_oAscItemType.StdDev:
				if (this.countNums > 1) {
					oCellValue.number = this.getStdDev();
				} else {
					oCellValue.type = AscCommon.CellValueType.Error;
					oCellValue.text = AscCommonExcel.cError.prototype.getStringFromErrorType(cErrorType.division_by_zero);
				}
				break;
			case Asc.c_oAscItemType.StdDevP:
				if (this.countNums > 0) {
					oCellValue.number = this.getStdDevP();
				} else {
					oCellValue.type = AscCommon.CellValueType.Error;
					oCellValue.text = AscCommonExcel.cError.prototype.getStringFromErrorType(cErrorType.division_by_zero);
				}
				break;
			case Asc.c_oAscItemType.Var:
				if (this.countNums > 1) {
					oCellValue.number = this.getVar();
				} else {
					oCellValue.type = AscCommon.CellValueType.Error;
					oCellValue.text = AscCommonExcel.cError.prototype.getStringFromErrorType(cErrorType.division_by_zero);
				}
				break;
			case Asc.c_oAscItemType.VarP:
				if (this.countNums > 0) {
					oCellValue.number = this.getVarP();
				} else {
					oCellValue.type = AscCommon.CellValueType.Error;
					oCellValue.text = AscCommonExcel.cError.prototype.getStringFromErrorType(cErrorType.division_by_zero);
				}
				break;
			case Asc.c_oAscItemType.Blank:
				oCellValue = undefined;
				break;
			default:
				oCellValue.number = this.getSum();
		}
		return oCellValue;
	};

	function checkValueByCondition(condition, val) {
		var res = false;
		condition = condition.tocString();
		if (cElementType.error === condition.type) {
			return false;
		}

		//condition  = condition.getValue();

		if ("" === condition.value) {
			res = true;
		} else {
			var conditionObj = AscCommonExcel.matchingValue(condition);
			//если строка, без операторов, добавляем * для поиска совпадений начинающихся с данной строки
			//так делает MS. lo ищет строгие совпадения
			if (null === conditionObj.op && cElementType.string === conditionObj.val.type) {
				conditionObj.val.value += "*";
			}

			res = AscCommonExcel.matching(val, conditionObj);
		}
		return res;
	}

	function convertDatabase(dataBase, bIsCondition) {
		var arr = [];
		var map = {};

		for (var i = 0; i < dataBase.length; i++) {
			for (var j = 0; j < dataBase[0].length; j++) {
				var header = dataBase[0][j].getValue();
				if (bIsCondition) {
					if (0 === i) {
						arr[j] = header;
						if (map.hasOwnProperty(header)) {//если находим такой же заголовок, пропускаем
							continue;
						} else {
							map[header] = [];
						}
					} else {
						map[header].push(dataBase[i][j]);
					}
				} else {
					if (0 === i) {
						if (map.hasOwnProperty(header)) {//если находим такой же заголовок, пропускаем
							continue;
						} else {
							map[header] = [];
							arr[j] = header;
						}
					} else {
						if (!map[header][i - 1]) {
							map[header][i - 1] = dataBase[i][j];
						}
					}
				}
			}
		}

		return {arr: arr, map: map};
	}

	function getNeedValuesFromDataBase(dataBase, field, conditionData, bIsGetObjArray, doNotCheckEmptyField) {

		//заполняем map название столбца-> его содержимое(из базы данных)
		var databaseObj = convertDatabase(dataBase);
		var headersArr = databaseObj.arr, headersDataMap = databaseObj.map;

		//заполняем map название столбца-> его содержимое(из условий)
		databaseObj = convertDatabase(conditionData, true);
		var headersConditionArr = databaseObj.arr, headersConditionMap = databaseObj.map;

		//преобразуем аргумент поле
		if (cElementType.cell === field.type || cElementType.cell3D === field.type) {
			field = field.getValue();
		}

		if (!doNotCheckEmptyField && cElementType.empty === field.type) {
			return new cError(cErrorType.wrong_value_type);
		}

		var isNumberField = field.tocNumber();
		var isEmptyField = cElementType.empty === field.type;
		if (cElementType.error === isNumberField.type) {
			field = field.getValue();
		} else {
			//если поле задано числом, то выбираем заголовок столбца с данным именем
			var number = isNumberField.getValue();
			if (headersArr[number - 1]) {
				field = headersArr[number - 1];
			} else {
				field = null;
			}
		}

		if (!isEmptyField && null === field) {
			return new cError(cErrorType.wrong_value_type);
		}

		var previousWinArray;
		var winElems = [];
		let isContainsHeader = false;
		for (var i = 1; i < conditionData.length; i++) {
			previousWinArray = null;
			for (var j = 0; j < conditionData[0].length; j++) {
				var condition = conditionData[i][j];
				var header = headersConditionArr[j];

				//проходимся по всем строкам данного столбца из базы и смотрим что нам подходит по условию
				var databaseData = headersDataMap[header];

				if (!databaseData) {
					continue;
				}

				isContainsHeader = true;

				var winColumnArray = [];
				for (var n = 0; n < databaseData.length; n++) {
					if (previousWinArray && previousWinArray[n]) {
						if (checkValueByCondition(condition, databaseData[n])) {
							winColumnArray[n] = true;
						}
					} else if (!previousWinArray && checkValueByCondition(condition, databaseData[n])) {
						winColumnArray[n] = true;
					}
				}
				previousWinArray = winColumnArray;
			}
			winElems[i - 1] = previousWinArray;
		}

		if ((!winElems.length || (winElems.length && winElems[0] && !winElems[0].length)) && isContainsHeader) {
			return null;
		}

		var resArr = [];
		var usuallyAddElems = [];
		var needDataColumn;
		if (isEmptyField && headersConditionArr && headersConditionArr[0]) {
			needDataColumn = headersDataMap[headersConditionArr[0]];
		} else {
			needDataColumn = headersDataMap[field];
		}

		if (!needDataColumn) {
			return new cError(cErrorType.wrong_value_type);
		}

		if (!isContainsHeader) {
			//ms wins all
			for (let i = 0; i < needDataColumn.length; i++) {
				if (bIsGetObjArray) {
					resArr.push(needDataColumn[i]);
				} else {
					resArr.push(needDataColumn[i].getValue());
				}
			}
		} else {
			for (let i = 0; i < winElems.length; i++) {
				for (let j in winElems[i]) {
					if (winElems[i].hasOwnProperty(j)) {
						if (true === usuallyAddElems[j] || cElementType.empty === needDataColumn[j].type) {
							continue;
						}

						if (bIsGetObjArray) {
							resArr.push(needDataColumn[j]);
						} else {
							resArr.push(needDataColumn[j].getValue());
						}

						usuallyAddElems[j] = true;
					}
				}
			}
		}


		return resArr.length ? resArr : new cError(cErrorType.division_by_zero);
	}

	cFormulaFunctionGroup['Database'] = cFormulaFunctionGroup['Database'] || [];
	cFormulaFunctionGroup['Database'].push(cDAVERAGE, cDCOUNT, cDCOUNTA, cDGET, cDMAX, cDMIN, cDPRODUCT, cDSTDEV,
		cDSTDEVP, cDSUM, cDVAR, cDVARP);

	/**
	 * @constructor
	 * @extends {AscCommonExcel.cBaseFunction}
	 */
	function cDAVERAGE() {
	}

	//***array-formula***
	cDAVERAGE.prototype = Object.create(cBaseFunction.prototype);
	cDAVERAGE.prototype.constructor = cDAVERAGE;
	cDAVERAGE.prototype.name = "DAVERAGE";
	cDAVERAGE.prototype.argumentsMin = 3;
	cDAVERAGE.prototype.argumentsMax = 3;
	cDAVERAGE.prototype.numFormat = AscCommonExcel.cNumFormatNone;
	cDAVERAGE.prototype.arrayIndexes = {0: 1, 2: 1};
	cDAVERAGE.prototype.returnValueType = AscCommonExcel.cReturnFormulaType.value_replace_area;
	cDAVERAGE.prototype.argumentsType = [argType.reference, argType.number, argType.text];
	cDAVERAGE.prototype.Calculate = function (arg) {

		var oArguments = this._prepareArguments(arg, arguments[1], true, [cElementType.array, null, cElementType.array]);
		var argClone = oArguments.args;

		var argError;
		if (argError = this._checkErrorArg(argClone)) {
			return argError;
		}

		var resArr = getNeedValuesFromDataBase(argClone[0], argClone[1], argClone[2]);
		if (resArr === null) {
			return new cError(cErrorType.division_by_zero);
		}
		if (cElementType.error === resArr.type) {
			return resArr;
		}

		var summ = 0;
		var count = 0;
		for (var i = 0; i < resArr.length; i++) {
			var val = parseFloat(resArr[i]);
			if (!isNaN(val)) {
				summ += val;
				count++;
			}
		}

		if (0 === count) {
			return new cError(cErrorType.division_by_zero);
		}

		var res = new cNumber(summ / count);
		return cElementType.error === res.type ? new cNumber(0) : res;
	};


	/**
	 * @constructor
	 * @extends {AscCommonExcel.cBaseFunction}
	 */
	function cDCOUNT() {
	}

	//***array-formula***
	cDCOUNT.prototype = Object.create(cBaseFunction.prototype);
	cDCOUNT.prototype.constructor = cDCOUNT;
	cDCOUNT.prototype.name = "DCOUNT";
	cDCOUNT.prototype.argumentsMin = 3;
	cDCOUNT.prototype.argumentsMax = 3;
	cDCOUNT.prototype.numFormat = AscCommonExcel.cNumFormatNone;
	cDCOUNT.prototype.arrayIndexes = {0: 1, 2: 1};
	cDCOUNT.prototype.returnValueType = AscCommonExcel.cReturnFormulaType.value_replace_area;
	cDCOUNT.prototype.argumentsType = [argType.reference, argType.number, argType.text];
	cDCOUNT.prototype.Calculate = function (arg) {

		var oArguments = this._prepareArguments(arg, arguments[1], true, [cElementType.array, null, cElementType.array]);
		var argClone = oArguments.args;

		var argError;
		if (argError = this._checkErrorArg(argClone)) {
			return argError;
		}

		var resArr = getNeedValuesFromDataBase(argClone[0], argClone[1], argClone[2], null, true);
		if (resArr === null) {
			return new cNumber(0);
		}
		if (cElementType.error === resArr.type) {
			return resArr;
		}

		var isEmptyField = cElementType.empty === argClone[1].type;
		var count = 0;
		for (var i = 0; i < resArr.length; i++) {
			//если Поле пустое, то ms игнорирует числовой формат полученных данных
			if (isEmptyField) {
				count++;
			} else {
				var val = parseFloat(resArr[i]);
				if (!isNaN(val)) {
					count++;
				}
			}
		}

		return new cNumber(count);
	};


	/**
	 * @constructor
	 * @extends {AscCommonExcel.cBaseFunction}
	 */
	function cDCOUNTA() {
	}

	//***array-formula***
	cDCOUNTA.prototype = Object.create(cBaseFunction.prototype);
	cDCOUNTA.prototype.constructor = cDCOUNTA;
	cDCOUNTA.prototype.name = "DCOUNTA";
	cDCOUNTA.prototype.argumentsMin = 3;
	cDCOUNTA.prototype.argumentsMax = 3;
	cDCOUNTA.prototype.numFormat = AscCommonExcel.cNumFormatNone;
	cDCOUNTA.prototype.arrayIndexes = {0: 1, 2: 1};
	cDCOUNTA.prototype.returnValueType = AscCommonExcel.cReturnFormulaType.value_replace_area;
	cDCOUNTA.prototype.argumentsType = [argType.reference, argType.number, argType.text];
	cDCOUNTA.prototype.Calculate = function (arg) {

		var oArguments = this._prepareArguments(arg, arguments[1], true, [cElementType.array, null, cElementType.array]);
		var argClone = oArguments.args;

		var argError;
		if (argError = this._checkErrorArg(argClone)) {
			return argError;
		}

		var resArr = getNeedValuesFromDataBase(argClone[0], argClone[1], argClone[2], true, true);
		if (resArr === null) {
			return new cNumber(0);
		}
		if (cElementType.error === resArr.type) {
			return resArr;
		}

		var count = 0;
		for (var i = 0; i < resArr.length; i++) {
			if (cElementType.empty !== resArr[i].type) {
				count++;
			}
		}

		return new cNumber(count);
	};

	/**
	 * @constructor
	 * @extends {AscCommonExcel.cBaseFunction}
	 */
	function cDGET() {
	}

	//***array-formula***
	cDGET.prototype = Object.create(cBaseFunction.prototype);
	cDGET.prototype.constructor = cDGET;
	cDGET.prototype.name = "DGET";
	cDGET.prototype.argumentsMin = 3;
	cDGET.prototype.argumentsMax = 3;
	cDGET.prototype.numFormat = AscCommonExcel.cNumFormatNone;
	cDGET.prototype.arrayIndexes = {0: 1, 2: 1};
	cDGET.prototype.returnValueType = AscCommonExcel.cReturnFormulaType.value_replace_area;
	cDGET.prototype.argumentsType = [argType.reference, argType.number, argType.text];
	cDGET.prototype.Calculate = function (arg) {

		var oArguments = this._prepareArguments(arg, arguments[1], true, [cElementType.array, null, cElementType.array]);
		var argClone = oArguments.args;

		var argError;
		if (argError = this._checkErrorArg(argClone)) {
			return argError;
		}

		var resArr = getNeedValuesFromDataBase(argClone[0], argClone[1], argClone[2]);
		if (resArr === null) {
			return new cError(cErrorType.wrong_value_type);
		}
		if (cElementType.error === resArr.type) {
			return resArr;
		}
		if (1 !== resArr.length) {
			return new cError(cErrorType.not_numeric);
		}

		var res = new cNumber(resArr[0]);
		return cElementType.error === res.type ? new cNumber(0) : res;
	};

	/**
	 * @constructor
	 * @extends {AscCommonExcel.cBaseFunction}
	 */
	function cDMAX() {
	}

	//***array-formula***
	cDMAX.prototype = Object.create(cBaseFunction.prototype);
	cDMAX.prototype.constructor = cDMAX;
	cDMAX.prototype.name = "DMAX";
	cDMAX.prototype.argumentsMin = 3;
	cDMAX.prototype.argumentsMax = 3;
	cDMAX.prototype.numFormat = AscCommonExcel.cNumFormatNone;
	cDMAX.prototype.arrayIndexes = {0: 1, 2: 1};
	cDMAX.prototype.returnValueType = AscCommonExcel.cReturnFormulaType.value_replace_area;
	cDMAX.prototype.argumentsType = [argType.reference, argType.number, argType.text];
	cDMAX.prototype.Calculate = function (arg) {

		var oArguments = this._prepareArguments(arg, arguments[1], true, [cElementType.array, null, cElementType.array]);
		var argClone = oArguments.args;

		var argError;
		if (argError = this._checkErrorArg(argClone)) {
			return argError;
		}

		var resArr = getNeedValuesFromDataBase(argClone[0], argClone[1], argClone[2]);
		if (resArr === null) {
			return new cNumber(0);
		}
		if (cElementType.error === resArr.type) {
			return resArr;
		}

		resArr.sort(function (a, b) {
			return b - a;
		});

		var res = new cNumber(resArr[0]);
		return cElementType.error === res.type ? new cNumber(0) : res;
	};

	/**
	 * @constructor
	 * @extends {AscCommonExcel.cBaseFunction}
	 */
	function cDMIN() {
	}

	//***array-formula***
	cDMIN.prototype = Object.create(cBaseFunction.prototype);
	cDMIN.prototype.constructor = cDMIN;
	cDMIN.prototype.name = "DMIN";
	cDMIN.prototype.argumentsMin = 3;
	cDMIN.prototype.argumentsMax = 3;
	cDMIN.prototype.numFormat = AscCommonExcel.cNumFormatNone;
	cDMIN.prototype.arrayIndexes = {0: 1, 2: 1};
	cDMIN.prototype.returnValueType = AscCommonExcel.cReturnFormulaType.value_replace_area;
	cDMIN.prototype.argumentsType = [argType.reference, argType.number, argType.text];
	cDMIN.prototype.Calculate = function (arg) {

		var oArguments = this._prepareArguments(arg, arguments[1], true, [cElementType.array, null, cElementType.array]);
		var argClone = oArguments.args;

		var argError;
		if (argError = this._checkErrorArg(argClone)) {
			return argError;
		}

		var resArr = getNeedValuesFromDataBase(argClone[0], argClone[1], argClone[2]);
		if (resArr === null) {
			return new cNumber(0);
		}
		if (cElementType.error === resArr.type) {
			return resArr;
		}

		resArr.sort(function (a, b) {
			return a - b;
		});

		var res = new cNumber(resArr[0]);
		return cElementType.error === res.type ? new cNumber(0) : res;
	};


	/**
	 * @constructor
	 * @extends {AscCommonExcel.cBaseFunction}
	 */
	function cDPRODUCT() {
	}

	//***array-formula***
	cDPRODUCT.prototype = Object.create(cBaseFunction.prototype);
	cDPRODUCT.prototype.constructor = cDPRODUCT;
	cDPRODUCT.prototype.name = "DPRODUCT";
	cDPRODUCT.prototype.argumentsMin = 3;
	cDPRODUCT.prototype.argumentsMax = 3;
	cDPRODUCT.prototype.numFormat = AscCommonExcel.cNumFormatNone;
	cDPRODUCT.prototype.arrayIndexes = {0: 1, 2: 1};
	cDPRODUCT.prototype.returnValueType = AscCommonExcel.cReturnFormulaType.value_replace_area;
	cDPRODUCT.prototype.argumentsType = [argType.reference, argType.number, argType.text];
	cDPRODUCT.prototype.Calculate = function (arg) {

		var oArguments = this._prepareArguments(arg, arguments[1], true, [cElementType.array, null, cElementType.array]);
		var argClone = oArguments.args;

		var argError;
		if (argError = this._checkErrorArg(argClone)) {
			return argError;
		}

		var resArr = getNeedValuesFromDataBase(argClone[0], argClone[1], argClone[2]);
		if (resArr === null) {
			return new cNumber(0);
		}
		if (cElementType.error === resArr.type) {
			return resArr;
		}

		var res = 0;
		for (var i = 0; i < resArr.length; i++) {
			var val = parseFloat(resArr[i]);
			if (!isNaN(val)) {
				if (0 === res) {
					res = val;
				} else {
					res *= val;
				}
			}
		}

		res = new cNumber(res);
		return cElementType.error === res.type ? new cNumber(0) : res;
	};

	/**
	 * @constructor
	 * @extends {AscCommonExcel.cBaseFunction}
	 */
	function cDSTDEV() {
	}

	//***array-formula***
	cDSTDEV.prototype = Object.create(cBaseFunction.prototype);
	cDSTDEV.prototype.constructor = cDSTDEV;
	cDSTDEV.prototype.name = "DSTDEV";
	cDSTDEV.prototype.argumentsMin = 3;
	cDSTDEV.prototype.argumentsMax = 3;
	cDSTDEV.prototype.numFormat = AscCommonExcel.cNumFormatNone;
	cDSTDEV.prototype.arrayIndexes = {0: 1, 2: 1};
	cDSTDEV.prototype.returnValueType = AscCommonExcel.cReturnFormulaType.value_replace_area;
	cDSTDEV.prototype.argumentsType = [argType.reference, argType.number, argType.text];
	cDSTDEV.prototype.Calculate = function (arg) {

		var oArguments = this._prepareArguments(arg, arguments[1], true, [cElementType.array, null, cElementType.array]);
		var argClone = oArguments.args;

		var argError;
		if (argError = this._checkErrorArg(argClone)) {
			return argError;
		}

		var resArr = getNeedValuesFromDataBase(argClone[0], argClone[1], argClone[2]);
		if (resArr === null) {
			return new cError(cErrorType.division_by_zero);
		}
		if (cElementType.error === resArr.type) {
			return resArr;
		}

		var sum = 0;
		var count = 0;
		var member = [];
		for (var i = 0; i < resArr.length; i++) {
			var val = parseFloat(resArr[i]);
			if (!isNaN(val)) {
				member[count] = val;
				sum += val;
				count++;
			}
		}

		if (0 === count) {
			return new cError(cErrorType.division_by_zero);
		}

		var average = sum / count, res = 0, av;
		for (i = 0; i < member.length; i++) {
			av = member[i] - average;
			res += av * av;
		}
		return new cNumber(Math.sqrt(res / (count - 1)));
	};

	/**
	 * @constructor
	 * @extends {AscCommonExcel.cBaseFunction}
	 */
	function cDSTDEVP() {
	}

	//***array-formula***
	cDSTDEVP.prototype = Object.create(cBaseFunction.prototype);
	cDSTDEVP.prototype.constructor = cDSTDEVP;
	cDSTDEVP.prototype.name = "DSTDEVP";
	cDSTDEVP.prototype.argumentsMin = 3;
	cDSTDEVP.prototype.argumentsMax = 3;
	cDSTDEVP.prototype.numFormat = AscCommonExcel.cNumFormatNone;
	cDSTDEVP.prototype.arrayIndexes = {0: 1, 2: 1};
	cDSTDEVP.prototype.returnValueType = AscCommonExcel.cReturnFormulaType.value_replace_area;
	cDSTDEVP.prototype.argumentsType = [argType.reference, argType.number, argType.text];
	cDSTDEVP.prototype.Calculate = function (arg) {

		var oArguments = this._prepareArguments(arg, arguments[1], true, [cElementType.array, null, cElementType.array]);
		var argClone = oArguments.args;

		var argError;
		if (argError = this._checkErrorArg(argClone)) {
			return argError;
		}

		var resArr = getNeedValuesFromDataBase(argClone[0], argClone[1], argClone[2], true);
		if (resArr === null) {
			return new cError(cErrorType.division_by_zero);
		}
		if (cElementType.error === resArr.type) {
			return resArr;
		}

		function _var(x) {
			var i, tA = [], sumSQRDeltaX = 0, _x = 0, xLength = 0;
			for (i = 0; i < x.length; i++) {
				if (cElementType.number === x[i].type) {
					_x += x[i].getValue();
					tA.push(x[i].getValue());
					xLength++;
				} else if (cElementType.error === x[i].type) {
					return x[i];
				}
			}

			_x /= xLength;

			for (i = 0; i < tA.length; i++) {
				sumSQRDeltaX += (tA[i] - _x) * (tA[i] - _x)
			}

			return new cNumber(isNaN(_x) ? new cError(cErrorType.division_by_zero) : Math.sqrt(sumSQRDeltaX / xLength));
		}

		return _var(resArr);
	};


	/**
	 * @constructor
	 * @extends {AscCommonExcel.cBaseFunction}
	 */
	function cDSUM() {
	}

	//***array-formula***
	cDSUM.prototype = Object.create(cBaseFunction.prototype);
	cDSUM.prototype.constructor = cDSUM;
	cDSUM.prototype.name = "DSUM";
	cDSUM.prototype.argumentsMin = 3;
	cDSUM.prototype.argumentsMax = 3;
	cDSUM.prototype.numFormat = AscCommonExcel.cNumFormatNone;
	cDSUM.prototype.arrayIndexes = {0: 1, 2: 1};
	cDSUM.prototype.returnValueType = AscCommonExcel.cReturnFormulaType.value_replace_area;
	cDSUM.prototype.argumentsType = [argType.reference, argType.number, argType.text];
	cDSUM.prototype.Calculate = function (arg) {

		var oArguments = this._prepareArguments(arg, arguments[1], true, [cElementType.array, null, cElementType.array], null, cErrorType.wrong_value_type);
		var argClone = oArguments.args;

		var argError;
		if (argError = this._checkErrorArg(argClone)) {
			return argError;
		}

		var resArr = getNeedValuesFromDataBase(argClone[0], argClone[1], argClone[2]);
		if (resArr === null) {
			return new cNumber(0);
		}
		if (cElementType.error === resArr.type) {
			return resArr;
		}

		var summ = 0;
		for (var i = 0; i < resArr.length; i++) {
			var val = parseFloat(resArr[i]);
			if (!isNaN(val)) {
				summ += val;
			}
		}

		var res = new cNumber(summ);
		return cElementType.error === res.type ? new cNumber(0) : res;
	};

	/**
	 * @constructor
	 * @extends {AscCommonExcel.cBaseFunction}
	 */
	function cDVAR() {
	}

	//***array-formula***
	cDVAR.prototype = Object.create(cBaseFunction.prototype);
	cDVAR.prototype.constructor = cDVAR;
	cDVAR.prototype.name = "DVAR";
	cDVAR.prototype.argumentsMin = 3;
	cDVAR.prototype.argumentsMax = 3;
	cDVAR.prototype.numFormat = AscCommonExcel.cNumFormatNone;
	cDVAR.prototype.arrayIndexes = {0: 1, 2: 1};
	cDVAR.prototype.returnValueType = AscCommonExcel.cReturnFormulaType.value_replace_area;
	cDVAR.prototype.argumentsType = [argType.reference, argType.number, argType.text];
	cDVAR.prototype.Calculate = function (arg) {

		var oArguments = this._prepareArguments(arg, arguments[1], true, [cElementType.array, null, cElementType.array]);
		var argClone = oArguments.args;

		var argError;
		if (argError = this._checkErrorArg(argClone)) {
			return argError;
		}

		var resArr = getNeedValuesFromDataBase(argClone[0], argClone[1], argClone[2], true);
		if (resArr === null) {
			return new cError(cErrorType.division_by_zero);
		}
		if (cElementType.error === resArr.type) {
			return resArr;
		}

		function _var(x) {
			if (x.length < 1) {
				return new cError(cErrorType.division_by_zero);
			}

			var i, tA = [], sumSQRDeltaX = 0, _x = 0, xLength = 0;
			for (i = 0; i < x.length; i++) {

				if (cElementType.number === x[i].type) {
					_x += x[i].getValue();
					tA.push(x[i].getValue());
					xLength++;
				} else if (cElementType.error === x[i].type) {
					return x[i];
				}

			}

			_x /= xLength;

			for (i = 0; i < x.length; i++) {
				sumSQRDeltaX += (tA[i] - _x) * (tA[i] - _x)
			}

			return new cNumber(sumSQRDeltaX / (xLength - 1));
		}

		var res = _var(resArr);
		return /*cElementType.error === res.type ? new cNumber(0) :*/ res;
	};

	/**
	 * @constructor
	 * @extends {AscCommonExcel.cBaseFunction}
	 */
	function cDVARP() {
	}

	//***array-formula***
	cDVARP.prototype = Object.create(cBaseFunction.prototype);
	cDVARP.prototype.constructor = cDVARP;
	cDVARP.prototype.name = "DVARP";
	cDVARP.prototype.argumentsMin = 3;
	cDVARP.prototype.argumentsMax = 3;
	cDVARP.prototype.numFormat = AscCommonExcel.cNumFormatNone;
	cDVARP.prototype.arrayIndexes = {0: 1, 2: 1};
	cDVARP.prototype.returnValueType = AscCommonExcel.cReturnFormulaType.value_replace_area;
	cDVARP.prototype.argumentsType = [argType.reference, argType.number, argType.text];
	cDVARP.prototype.Calculate = function (arg) {

		var oArguments = this._prepareArguments(arg, arguments[1], true, [cElementType.array, null, cElementType.array]);
		var argClone = oArguments.args;

		var argError;
		if (argError = this._checkErrorArg(argClone)) {
			return argError;
		}

		var resArr = getNeedValuesFromDataBase(argClone[0], argClone[1], argClone[2], true);
		if (resArr === null) {
			return new cError(cErrorType.division_by_zero);
		}
		if (cElementType.error === resArr.type) {
			return resArr;
		}

		function _var(x) {
			if (x.length < 1) {
				return new cError(cErrorType.division_by_zero);
			}

			var tA = [], sumSQRDeltaX = 0, _x = 0, xLength = 0, i;
			for (i = 0; i < x.length; i++) {

				if (cElementType.number === x[i].type) {
					_x += x[i].getValue();
					tA.push(x[i].getValue());
					xLength++;
				} else if (cElementType.error === x[i].type) {
					return x[i];
				}

			}

			_x /= xLength;

			for (i = 0; i < x.length; i++) {
				sumSQRDeltaX += (tA[i] - _x) * (tA[i] - _x);
			}

			return new cNumber(sumSQRDeltaX / xLength);

		}

		var res = _var(resArr);
		return /*cElementType.error === res.type ? new cNumber(0) :*/ res;
	};

	window['AscCommonExcel'] = window['AscCommonExcel'] || {};

	window["AscCommonExcel"].StatisticOnlineAlgorithm = StatisticOnlineAlgorithm;
})(window);