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[bug-66094] add STDEV.S, STDEV.P, VAR.S and VAR.P functions

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1901291 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
PJ Fanning 2022-05-26 14:11:02 +00:00
parent 6b6bd5b773
commit db7734bb31
7 changed files with 141 additions and 2 deletions
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4
poi/src/main/java/org/apache/poi/ss/formula/atp/AnalysisToolPak.java
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@ -175,6 +175,8 @@ public final class AnalysisToolPak implements UDFFinder {
r(m, "SERIESSUM", null);
r(m, "SINGLE", Single.instance);
r(m, "SQRTPI", Sqrtpi.instance);
r(m, "STDEV.S", Stdevs.instance);
r(m, "STDEV.P", Stdevp.instance);
r(m, "SUMIFS", Sumifs.instance);
r(m, "SWITCH", Switch.instance);
r(m, "TBILLEQ", null);
@ -195,6 +197,8 @@ public final class AnalysisToolPak implements UDFFinder {
r(m, "YIELD", null);
r(m, "YIELDDISC", null);
r(m, "YIELDMAT", null);
r(m, "VAR.S", Vars.instance);
r(m, "VAR.P", Varp.instance);
return m;
}

16
poi/src/main/java/org/apache/poi/ss/formula/atp/Stdevp.java Normal file
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@ -0,0 +1,16 @@
package org.apache.poi.ss.formula.atp;
import org.apache.poi.ss.formula.OperationEvaluationContext;
import org.apache.poi.ss.formula.eval.ValueEval;
import org.apache.poi.ss.formula.functions.AggregateFunction;
import org.apache.poi.ss.formula.functions.FreeRefFunction;
public class Stdevp implements FreeRefFunction {
public static final Stdevp instance = new Stdevp();
@Override
public ValueEval evaluate(ValueEval[] args, OperationEvaluationContext ec) {
return AggregateFunction.STDEVP.evaluate(args, ec.getRowIndex(), ec.getColumnIndex());
}
}

16
poi/src/main/java/org/apache/poi/ss/formula/atp/Stdevs.java Normal file
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@ -0,0 +1,16 @@
package org.apache.poi.ss.formula.atp;
import org.apache.poi.ss.formula.OperationEvaluationContext;
import org.apache.poi.ss.formula.eval.ValueEval;
import org.apache.poi.ss.formula.functions.AggregateFunction;
import org.apache.poi.ss.formula.functions.FreeRefFunction;
public class Stdevs implements FreeRefFunction {
public static final Stdevs instance = new Stdevs();
@Override
public ValueEval evaluate(ValueEval[] args, OperationEvaluationContext ec) {
return AggregateFunction.STDEV.evaluate(args, ec.getRowIndex(), ec.getColumnIndex());
}
}

16
poi/src/main/java/org/apache/poi/ss/formula/atp/Varp.java Normal file
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@ -0,0 +1,16 @@
package org.apache.poi.ss.formula.atp;
import org.apache.poi.ss.formula.OperationEvaluationContext;
import org.apache.poi.ss.formula.eval.ValueEval;
import org.apache.poi.ss.formula.functions.AggregateFunction;
import org.apache.poi.ss.formula.functions.FreeRefFunction;
public class Varp implements FreeRefFunction {
public static final Varp instance = new Varp();
@Override
public ValueEval evaluate(ValueEval[] args, OperationEvaluationContext ec) {
return AggregateFunction.VARP.evaluate(args, ec.getRowIndex(), ec.getColumnIndex());
}
}

16
poi/src/main/java/org/apache/poi/ss/formula/atp/Vars.java Normal file
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@ -0,0 +1,16 @@
package org.apache.poi.ss.formula.atp;
import org.apache.poi.ss.formula.OperationEvaluationContext;
import org.apache.poi.ss.formula.eval.ValueEval;
import org.apache.poi.ss.formula.functions.AggregateFunction;
import org.apache.poi.ss.formula.functions.FreeRefFunction;
public class Vars implements FreeRefFunction {
public static final Vars instance = new Vars();
@Override
public ValueEval evaluate(ValueEval[] args, OperationEvaluationContext ec) {
return AggregateFunction.VAR.evaluate(args, ec.getRowIndex(), ec.getColumnIndex());
}
}

8
poi/src/test/java/org/apache/poi/ss/formula/functions/TestStdevp.java → poi/src/test/java/org/apache/poi/ss/formula/functions/TestStdev.java
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@ -29,18 +29,22 @@ import static org.apache.poi.ss.util.Utils.addRow;
import static org.apache.poi.ss.util.Utils.assertDouble;
/**
* Testcase for function STDEVP()
* Testcase for functions: STDEV(), STDEVP(), STDEV.S(), STDEV.P()
*/
public class TestStdevp {
public class TestStdev {
//https://support.microsoft.com/en-us/office/stdevp-function-1f7c1c88-1bec-4422-8242-e9f7dc8bb195
//https://support.microsoft.com/en-us/office/stdev-p-function-6e917c05-31a0-496f-ade7-4f4e7462f285
//https://support.microsoft.com/en-us/office/stdev-s-function-7d69cf97-0c1f-4acf-be27-f3e83904cc23
@Test
void testMicrosoftExample1() throws IOException {
try (HSSFWorkbook wb = initWorkbook1()) {
HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(wb);
HSSFCell cell = wb.getSheetAt(0).getRow(0).createCell(12);
assertDouble(fe, cell, "STDEVP(A3:A12)", 26.0545581424825, 0.00000000001);
assertDouble(fe, cell, "STDEV.P(A3:A12)", 26.0545581424825, 0.00000000001);
assertDouble(fe, cell, "STDEV(A3:A12)", 27.4639157198435, 0.00000000001);
assertDouble(fe, cell, "STDEV.S(A3:A12)", 27.4639157198435, 0.00000000001);
}
}

67
poi/src/test/java/org/apache/poi/ss/formula/functions/TestVar.java Normal file
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@ -0,0 +1,67 @@
/* ====================================================================
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.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFFormulaEvaluator;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.junit.jupiter.api.Test;
import java.io.IOException;
import static org.apache.poi.ss.util.Utils.addRow;
import static org.apache.poi.ss.util.Utils.assertDouble;
/**
* Testcase for functions: VAR.S(), VAR.P()
*/
public class TestVar {
//https://support.microsoft.com/en-us/office/var-s-function-913633de-136b-449d-813e-65a00b2b990b
//https://support.microsoft.com/en-us/office/var-p-function-73d1285c-108c-4843-ba5d-a51f90656f3a
@Test
void testMicrosoftExample1() throws IOException {
try (HSSFWorkbook wb = initWorkbook1()) {
HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(wb);
HSSFCell cell = wb.getSheetAt(0).getRow(0).createCell(12);
assertDouble(fe, cell, "VARP(A3:A12)", 678.84, 0.00000000001);
assertDouble(fe, cell, "VAR.P(A3:A12)", 678.84, 0.00000000001);
assertDouble(fe, cell, "VAR(A3:A12)", 754.27, 0.005);
assertDouble(fe, cell, "VAR.S(A3:A12)", 754.27, 0.005);
}
}
private HSSFWorkbook initWorkbook1() {
HSSFWorkbook wb = new HSSFWorkbook();
HSSFSheet sheet = wb.createSheet();
addRow(sheet, 0, "Data");
addRow(sheet, 1, "Strength");
addRow(sheet, 2, 1345);
addRow(sheet, 3, 1301);
addRow(sheet, 4, 1368);
addRow(sheet, 5, 1322);
addRow(sheet, 6, 1310);
addRow(sheet, 7, 1370);
addRow(sheet, 8, 1318);
addRow(sheet, 9, 1350);
addRow(sheet, 10, 1303);
addRow(sheet, 11, 1299);
return wb;
}
}