add RRI formula

cell/model/FormulaObjects/_xlfnFunctions.js

@@ -58,7 +58,7 @@
 	cFormulaFunctionGroup['Statistical'].push(cBINOM_DIST_RANGE, cF_TEST, cFORECAST_ETS, cFORECAST_ETS_CONFINT,
 		cFORECAST_ETS_SEASONALITY, cFORECAST_ETS_STAT, cHYPGEOM_DIST);
 	cFormulaFunctionGroup['Financial'] = cFormulaFunctionGroup['Financial'] || [];
-	cFormulaFunctionGroup['Financial'].push(cPDURATION, cRRI);
+	cFormulaFunctionGroup['Financial'].push(cPDURATION);
 	cFormulaFunctionGroup['Mathematic'] = cFormulaFunctionGroup['Mathematic'] || [];
 	cFormulaFunctionGroup['Mathematic'].push(cAGGREGATE, cMUNIT);
 	cFormulaFunctionGroup['LookupAndReference'] = cFormulaFunctionGroup['LookupAndReference'] || [];
@@ -70,7 +70,7 @@
 	cFormulaFunctionGroup['NotRealised'].push(cDAYS, cISOWEEKNUM, cBITAND, cBITLSHIFT, cBITOR, cBITRSHIFT, cBITXOR,
 		cDBCS, cUNICHAR, cUNICODE, cBINOM_DIST_RANGE, cF_TEST, cFORECAST_ETS, cFORECAST_ETS_CONFINT,
 		cFORECAST_ETS_SEASONALITY, cFORECAST_ETS_STAT, cHYPGEOM_DIST, cPDURATION,
-		cRRI, cAGGREGATE, cMUNIT, cFORMULATEXT, cISFORMULA, cSHEET, cSHEETS);
+		cAGGREGATE, cMUNIT, cFORMULATEXT, cISFORMULA, cSHEET, cSHEETS);
 
 	/**
 	 * @constructor
@@ -348,18 +348,6 @@
 	cQUERYSTRING.prototype = Object.create(cBaseFunction.prototype);
 	cQUERYSTRING.prototype.constructor = cQUERYSTRING;
 
-	/**
-	 * @constructor
-	 * @extends {AscCommonExcel.cBaseFunction}
-	 */
-	function cRRI() {
-		cBaseFunction.call(this, "RRI");
-		this.isXLFN = true;
-	}
-
-	cRRI.prototype = Object.create(cBaseFunction.prototype);
-	cRRI.prototype.constructor = cRRI;
-
 	/**
 	 * @constructor
 	 * @extends {AscCommonExcel.cBaseFunction}

cell/model/FormulaObjects/financialFunctions.js

@@ -459,7 +459,7 @@
 		cCOUPDAYSNC, cCOUPNCD, cCOUPNUM, cCOUPPCD, cCUMIPMT, cCUMPRINC, cDB, cDDB, cDISC, cDOLLARDE, cDOLLARFR,
 		cDURATION, cEFFECT, cFV, cFVSCHEDULE, cINTRATE, cIPMT, cIRR, cISPMT, cMDURATION, cMIRR, cNOMINAL, cNPER, cNPV,
 		cODDFPRICE, cODDFYIELD, cODDLPRICE, cODDLYIELD, cPMT, cPPMT, cPRICE, cPRICEDISC, cPRICEMAT, cPV, cRATE,
-		cRECEIVED, cSLN, cSYD, cTBILLEQ, cTBILLPRICE, cTBILLYIELD, cVDB, cXIRR, cXNPV, cYIELD, cYIELDDISC, cYIELDMAT);
+		cRECEIVED, cRRI, cSLN, cSYD, cTBILLEQ, cTBILLPRICE, cTBILLYIELD, cVDB, cXIRR, cXNPV, cYIELD, cYIELDDISC, cYIELDMAT);
 
 	/**
 	 * @constructor
@@ -4681,6 +4681,49 @@
 
 	};
 
+	/**
+	 * @constructor
+	 * @extends {AscCommonExcel.cBaseFunction}
+	 */
+	function cRRI() {
+		this.name = "RRI";
+		this.value = null;
+		this.argumentsCurrent = 0;
+	}
+
+	cRRI.prototype = Object.create(cBaseFunction.prototype);
+	cRRI.prototype.constructor = cRRI;
+	cRRI.prototype.argumentsMin = 3;
+	cRRI.prototype.argumentsMax = 3;
+	cRRI.prototype.isXLFN = true;
+	cRRI.prototype.Calculate = function (arg) {
+		var oArguments = this._prepareArguments(arg, arguments[1], true);
+		var argClone = oArguments.args;
+
+		argClone[0] = argClone[0].tocNumber();
+		argClone[1] = argClone[1].tocNumber();
+		argClone[2] = argClone[2].tocNumber();
+
+		var argError;
+		if (argError = this._checkErrorArg(argClone)) {
+			return this.value = argError;
+		}
+
+		var calcrpi = function(argArray){
+			var arg0 = argArray[0];
+			var arg1 = argArray[1];
+			var arg2 = argArray[2];
+
+			if ( arg0 <= 0.0  || arg1 === 0.0 ){
+				return new cError(cErrorType.not_numeric);
+			}
+
+			return new cNumber(Math.pow(arg2 / arg1, 1.0 / arg0) - 1.0);
+		};
+
+		return this.value = this._findArrayInNumberArguments(oArguments, calcrpi);
+	};
+
 	/**
 	 * @constructor
 	 * @extends {AscCommonExcel.cBaseFunction}