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What Is poi-5.2.3.jar?
What Is poi-5.2.3.jar?
✍: FYIcenter.com
poi-5.2.3.jar is one of the JAR files for Apache POI 5.2.3, which provides an API for Microsoft document files of Word, Excel, PowerPoint, and Visio.
poi-5.2.3.jar supports Apache POI components that read and write Microsoft's OLE 2 Compound document format, which is used in early versions of Microsoft Office tools like Word 97, Excel 97, PowerPoint 97, etc.
poi-5.2.3.jar is distributed as part of the poi-bin-5.2.3-20220909.zip download file.
JAR File Size and Download Location:
JAR name: poi-5.2.3.jar Target JDK version: 9 File name: poi.jar, poi-5.2.3.jar File size: 2964641 bytes Release date: 09-09-2022 Download: Apache POI Website
Here are Java Source Code files for poi-5.2.3.jar:
⏎ org/apache/poi/ss/formula/functions/Irr.java
/* ==================================================================== Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. ==================================================================== */ package org.apache.poi.ss.formula.functions; import org.apache.logging.log4j.LogManager; import org.apache.logging.log4j.Logger; import org.apache.poi.ss.formula.eval.ErrorEval; import org.apache.poi.ss.formula.eval.EvaluationException; import org.apache.poi.ss.formula.eval.NumberEval; import org.apache.poi.ss.formula.eval.ValueEval; /** * Calculates the internal rate of return. * * Syntax is IRR(values) or IRR(values,guess) * * @see <a href="http://en.wikipedia.org/wiki/Internal_rate_of_return#Numerical_solution">Wikipedia on IRR</a> * @see <a href="http://office.microsoft.com/en-us/excel-help/irr-HP005209146.aspx">Excel IRR</a> */ public final class Irr implements Function { private static final int MAX_ITERATION_COUNT = 1000; private static final double ABSOLUTE_ACCURACY = 1E-7; private static final Logger LOGGER = LogManager.getLogger(Irr.class); public ValueEval evaluate(final ValueEval[] args, final int srcRowIndex, final int srcColumnIndex) { if(args.length == 0 || args.length > 2) { // Wrong number of arguments return ErrorEval.VALUE_INVALID; } try { double[] values = AggregateFunction.ValueCollector.collectValues(args[0]); double guess; if(args.length == 2) { guess = NumericFunction.singleOperandEvaluate(args[1], srcRowIndex, srcColumnIndex); } else { guess = 0.1d; } double result = irr(values, guess); NumericFunction.checkValue(result); return new NumberEval(result); } catch (EvaluationException e){ return e.getErrorEval(); } } /** * Computes the internal rate of return using an estimated irr of 10 percent. * * @param income the income values. * @return the irr. */ public static double irr(double[] income) { return irr(income, 0.1d); } /** * Calculates IRR using the Newton-Raphson Method. * <p> * Starting with the guess, the method cycles through the calculation until the result * is accurate within 0.00001 percent. If IRR can't find a result that works * after 1000 tries, the {@code Double.NaN} is returned. * * <p> * The implementation is inspired by the NewtonSolver from the Apache Commons-Math library, * @see <a href="http://commons.apache.org">http://commons.apache.org</a> * * * @param values the income values. * @param guess the initial guess of irr. * @return the irr value. The method returns {@code Double.NaN} * if the maximum iteration count is exceeded * * @see <a href="http://en.wikipedia.org/wiki/Internal_rate_of_return#Numerical_solution"> * http://en.wikipedia.org/wiki/Internal_rate_of_return#Numerical_solution</a> * @see <a href="http://en.wikipedia.org/wiki/Newton%27s_method"> * http://en.wikipedia.org/wiki/Newton%27s_method</a> */ public static double irr(double[] values, double guess) { double x0 = guess; for (int i = 0; i < MAX_ITERATION_COUNT; i++) { // the value of the function (NPV) and its derivation can be calculated in the same loop final double factor = 1.0 + x0; double denominator = factor; if (denominator == 0) { LOGGER.atWarn().log("Returning NaN because IRR has found an denominator of 0"); return Double.NaN; } double fValue = values[0]; double fDerivative = 0; for (int k = 1; k < values.length; k++) { final double value = values[k]; fValue += value / denominator; denominator *= factor; fDerivative -= k * value / denominator; } // the essence of the Newton-Raphson Method if (fDerivative == 0) { LOGGER.atWarn().log("Returning NaN because IRR has found an fDerivative of 0"); return Double.NaN; } double x1 = x0 - fValue/fDerivative; if (Math.abs(x1 - x0) <= ABSOLUTE_ACCURACY) { return x1; } x0 = x1; } // maximum number of iterations is exceeded LOGGER.atWarn().log("Returning NaN because IRR has reached max number of iterations allowed: {}", MAX_ITERATION_COUNT); return Double.NaN; } }
⏎ org/apache/poi/ss/formula/functions/Irr.java
Or download all of them as a single archive file:
File name: poi-5.2.3-src.zip File size: 2479830 bytes Release date: 2022-09-09 Download
⇒ What Is poi-ooxml-5.2.3.jar?
⇐ What Is poi-bin-5.2.3-20220909.zip?
2017-04-04, 55352👍, 0💬
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