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partial implementation CEILING.MATH function (still need to support optional 2nd param)

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1901167 13f79535-47bb-0310-9956-ffa450edef68
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PJ Fanning 2022-05-23 13:12:41 +00:00
parent 20db1079c5
commit 400f22037d
3 changed files with 147 additions and 0 deletions
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1
poi/src/main/java/org/apache/poi/ss/formula/atp/AnalysisToolPak.java
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@ -79,6 +79,7 @@ public final class AnalysisToolPak implements UDFFinder {
r(m, "BIN2HEX", null);
r(m, "BIN2OCT", null);
r(m, "COMPLEX", Complex.instance);
r(m, "CEILING.MATH", CeilingMath.instance);
r(m, "CONCAT", TextFunction.CONCAT);
r(m, "CONVERT", null);
r(m, "COUNTIFS", Countifs.instance);

68
poi/src/main/java/org/apache/poi/ss/formula/functions/CeilingMath.java Normal file
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@ -0,0 +1,68 @@
/* ====================================================================
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.ss.formula.OperationEvaluationContext;
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.OperandResolver;
import org.apache.poi.ss.formula.eval.ValueEval;
/**
* Implementation for Excel CEILING.MATH() function.
* <ul>
* <li>https://support.microsoft.com/en-us/office/ceiling-math-function-80f95d2f-b499-4eee-9f16-f795a8e306c8</li>
* </ul>
*/
public final class CeilingMath implements FreeRefFunction {
public static final CeilingMath instance = new CeilingMath();
private CeilingMath() {}
@Override
public ValueEval evaluate(ValueEval[] args, OperationEvaluationContext ec) {
if (args.length == 0) {
return ErrorEval.VALUE_INVALID;
}
try {
Double xval = evaluateValue(args[0], ec.getRowIndex(), ec.getColumnIndex());
if (xval == null) {
return ErrorEval.NUM_ERROR;
}
boolean roundNegativeNumsDown = false;
if (args.length > 2) {
Double arg2Val = evaluateValue(args[2], ec.getRowIndex(), ec.getColumnIndex());
roundNegativeNumsDown = arg2Val != null && arg2Val.doubleValue() < 0.0;
}
if (roundNegativeNumsDown && xval < 0.0) {
return new NumberEval(Math.floor(xval));
}
return new NumberEval(Math.ceil(xval));
} catch (EvaluationException evaluationException) {
return evaluationException.getErrorEval();
}
}
private static Double evaluateValue(ValueEval arg, int srcRowIndex, int srcColumnIndex) throws EvaluationException {
ValueEval veText = OperandResolver.getSingleValue(arg, srcRowIndex, srcColumnIndex);
String strText1 = OperandResolver.coerceValueToString(veText);
return OperandResolver.parseDouble(strText1);
}
}

78
poi/src/test/java/org/apache/poi/ss/formula/functions/TestCeilingMath.java Normal file
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@ -0,0 +1,78 @@
/* ====================================================================
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.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.formula.OperationEvaluationContext;
import org.apache.poi.ss.formula.eval.ErrorEval;
import org.apache.poi.ss.usermodel.FormulaError;
import org.junit.jupiter.api.Test;
import java.io.IOException;
import static org.apache.poi.ss.util.Utils.assertDouble;
import static org.apache.poi.ss.util.Utils.assertError;
/**
* Tests for {@link CeilingMath}
*/
final class TestCeilingMath {
private static final OperationEvaluationContext ec = new OperationEvaluationContext(null, null, 0, 0, 0, null);
//https://support.microsoft.com/en-us/office/ceiling-math-function-80f95d2f-b499-4eee-9f16-f795a8e306c8
@Test
void testMicrosoftExamples() throws IOException {
try (HSSFWorkbook wb = new HSSFWorkbook()) {
HSSFSheet sheet = wb.createSheet();
HSSFRow row = sheet.createRow(0);
HSSFCell cell = row.createCell(0);
HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(wb);
assertDouble(fe, cell, "CEILING.MATH(24.3,5)", 25.0, 0.00000000000001);
assertDouble(fe, cell, "CEILING.MATH(6.7)", 7.0, 0.00000000000001);
assertDouble(fe, cell, "CEILING.MATH(-8.1,2)", -8.0, 0.00000000000001);
assertDouble(fe, cell, "CEILING.MATH(-5.5,2,-1)", -6.0, 0.00000000000001);
}
}
@Test
void testInvalid() throws IOException {
try (HSSFWorkbook wb = new HSSFWorkbook()) {
HSSFSheet sheet = wb.createSheet();
HSSFRow row = sheet.createRow(0);
HSSFCell cell = row.createCell(0);
HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(wb);
assertError(fe, cell, "CEILING.MATH()", FormulaError.VALUE);
}
}
@Test
void testNumError() throws IOException {
try (HSSFWorkbook wb = new HSSFWorkbook()) {
HSSFSheet sheet = wb.createSheet();
HSSFRow row = sheet.createRow(0);
HSSFCell cell = row.createCell(0);
HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(wb);
assertError(fe, cell, "CEILING.MATH(\"abc\")", FormulaError.NUM);
}
}
}