From 958e992032647dddeeff8d994812d910fb50213a Mon Sep 17 00:00:00 2001 From: PJ Fanning Date: Tue, 25 Jan 2022 23:05:43 +0000 Subject: [PATCH] normsdist function git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1897477 13f79535-47bb-0310-9956-ffa450edef68 --- .../poi/ss/formula/atp/AnalysisToolPak.java | 2 + .../poi/ss/formula/eval/FunctionEval.java | 2 +- .../poi/ss/formula/functions/NormDist.java | 8 +- .../poi/ss/formula/functions/NormSDist.java | 68 +++++++++++++++ .../ss/formula/functions/TestNormDist.java | 2 + .../ss/formula/functions/TestNormSDist.java | 87 +++++++++++++++++++ 6 files changed, 165 insertions(+), 4 deletions(-) create mode 100644 poi/src/main/java/org/apache/poi/ss/formula/functions/NormSDist.java create mode 100644 poi/src/test/java/org/apache/poi/ss/formula/functions/TestNormSDist.java diff --git a/poi/src/main/java/org/apache/poi/ss/formula/atp/AnalysisToolPak.java b/poi/src/main/java/org/apache/poi/ss/formula/atp/AnalysisToolPak.java index 0016b3af60..5e3e05cb36 100644 --- a/poi/src/main/java/org/apache/poi/ss/formula/atp/AnalysisToolPak.java +++ b/poi/src/main/java/org/apache/poi/ss/formula/atp/AnalysisToolPak.java @@ -149,6 +149,8 @@ public final class AnalysisToolPak implements UDFFinder { r(m, "MULTINOMIAL", null); r(m, "NETWORKDAYS", NetworkdaysFunction.instance); r(m, "NOMINAL", null); + r(m, "NORM.DIST", NormDist.instance); + r(m, "NORM.S.DIST", NormSDist.instance); r(m, "NUMBERVALUE", NumberValueFunction.instance); r(m, "OCT2BIN", null); r(m, "OCT2DEC", Oct2Dec.instance); diff --git a/poi/src/main/java/org/apache/poi/ss/formula/eval/FunctionEval.java b/poi/src/main/java/org/apache/poi/ss/formula/eval/FunctionEval.java index 23ddf3aac6..493a3fbe05 100644 --- a/poi/src/main/java/org/apache/poi/ss/formula/eval/FunctionEval.java +++ b/poi/src/main/java/org/apache/poi/ss/formula/eval/FunctionEval.java @@ -273,7 +273,7 @@ public final class FunctionEval { // 291: LOGINV // 292: NEGBINOMDIST retval[293] = NormDist.instance; - // 294: NORMSDIST + retval[294] = NormSDist.instance; // 295: NORMINV // 296: NORMSINV // 297: STANDARDIZE diff --git a/poi/src/main/java/org/apache/poi/ss/formula/functions/NormDist.java b/poi/src/main/java/org/apache/poi/ss/formula/functions/NormDist.java index 9a9ea03e02..32fd5bc300 100644 --- a/poi/src/main/java/org/apache/poi/ss/formula/functions/NormDist.java +++ b/poi/src/main/java/org/apache/poi/ss/formula/functions/NormDist.java @@ -26,9 +26,11 @@ import org.apache.poi.ss.formula.eval.OperandResolver; import org.apache.poi.ss.formula.eval.ValueEval; /** - * Implementation for Excel NORMDIST() function.

- - * https://support.microsoft.com/en-us/office/normdist-function-126db625-c53e-4591-9a22-c9ff422d6d58 + * Implementation for Excel NORMDIST() and NORM.DIST() functions.

+ *

*/ public final class NormDist extends Fixed4ArgFunction implements FreeRefFunction { diff --git a/poi/src/main/java/org/apache/poi/ss/formula/functions/NormSDist.java b/poi/src/main/java/org/apache/poi/ss/formula/functions/NormSDist.java new file mode 100644 index 0000000000..3be6721604 --- /dev/null +++ b/poi/src/main/java/org/apache/poi/ss/formula/functions/NormSDist.java @@ -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 NORMSDIST() function.

+ *

+ */ +public final class NormSDist extends Fixed1ArgFunction implements FreeRefFunction { + + public static final NormSDist instance = new NormSDist(); + + @Override + public ValueEval evaluate(int srcRowIndex, int srcColumnIndex, ValueEval arg1) { + try { + Double xval = evaluateValue(arg1, srcRowIndex, srcColumnIndex); + if (xval == null) { + return ErrorEval.VALUE_INVALID; + } else if (xval < 0) { + return ErrorEval.NUM_ERROR; + } + + return new NumberEval(NormDist.probability(xval.doubleValue(), 0, 1, true)); + } catch (EvaluationException e) { + return e.getErrorEval(); + } + } + + @Override + public ValueEval evaluate(ValueEval[] args, OperationEvaluationContext ec) { + if (args.length == 1) { + return evaluate(ec.getRowIndex(), ec.getColumnIndex(), args[0]); + } + + return ErrorEval.VALUE_INVALID; + } + + 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); + } +} \ No newline at end of file diff --git a/poi/src/test/java/org/apache/poi/ss/formula/functions/TestNormDist.java b/poi/src/test/java/org/apache/poi/ss/formula/functions/TestNormDist.java index 1202430183..2468558b98 100644 --- a/poi/src/test/java/org/apache/poi/ss/formula/functions/TestNormDist.java +++ b/poi/src/test/java/org/apache/poi/ss/formula/functions/TestNormDist.java @@ -63,6 +63,7 @@ final class TestNormDist { } //https://support.microsoft.com/en-us/office/normdist-function-126db625-c53e-4591-9a22-c9ff422d6d58 + //https://support.microsoft.com/en-us/office/norm-dist-function-edb1cc14-a21c-4e53-839d-8082074c9f8d @Test void testMicrosoftExample1() throws IOException { try (HSSFWorkbook wb = new HSSFWorkbook()) { @@ -74,6 +75,7 @@ final class TestNormDist { HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(wb); HSSFCell cell = wb.getSheetAt(0).getRow(0).createCell(100); assertDouble(fe, cell, "NORMDIST(A2,A3,A4,TRUE)", 0.9087888, 0.000001); + assertDouble(fe, cell, "NORM.DIST(A2,A3,A4,TRUE)", 0.9087888, 0.000001); } } diff --git a/poi/src/test/java/org/apache/poi/ss/formula/functions/TestNormSDist.java b/poi/src/test/java/org/apache/poi/ss/formula/functions/TestNormSDist.java new file mode 100644 index 0000000000..5fd209eba0 --- /dev/null +++ b/poi/src/test/java/org/apache/poi/ss/formula/functions/TestNormSDist.java @@ -0,0 +1,87 @@ +/* ==================================================================== + 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.BoolEval; +import org.apache.poi.ss.formula.eval.ErrorEval; +import org.apache.poi.ss.formula.eval.NumberEval; +import org.apache.poi.ss.formula.eval.StringEval; +import org.apache.poi.ss.formula.eval.ValueEval; +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; +import static org.junit.jupiter.api.Assertions.assertEquals; + +/** + * Tests for {@link NormSDist} + */ +final class TestNormSDist { + + private static final OperationEvaluationContext ec = new OperationEvaluationContext(null, null, 0, 0, 0, null); + + @Test + void testBasic() { + confirmValue("1.333333", 0.908788726); + } + + @Test + void testInvalid() { + confirmInvalidError("A1"); + } + + //https://support.microsoft.com/en-us/office/normsdist-function-463369ea-0345-445d-802a-4ff0d6ce7cac + //https://support.microsoft.com/en-us/office/norm-s-dist-function-1e787282-3832-4520-a9ae-bd2a8d99ba88 + @Test + void testMicrosoftExample1() throws IOException { + try (HSSFWorkbook wb = new HSSFWorkbook()) { + HSSFSheet sheet = wb.createSheet(); + HSSFRow row = sheet.createRow(0); + HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(wb); + HSSFCell cell = row.createCell(0); + assertDouble(fe, cell, "NORMSDIST(1.333333)", 0.908788726, 0.000001); + assertDouble(fe, cell, "NORM.S.DIST(1.333333)", 0.908788726, 0.000001); + } + } + + private static ValueEval invokeValue(String number1) { + ValueEval[] args = new ValueEval[] { new StringEval(number1)}; + return NormSDist.instance.evaluate(args, ec); + } + + private static void confirmValue(String number1, double expected) { + ValueEval result = invokeValue(number1); + assertEquals(NumberEval.class, result.getClass()); + assertEquals(expected, ((NumberEval) result).getNumberValue(), 0.0000001); + } + + private static void confirmInvalidError(String number1) { + ValueEval result = invokeValue(number1); + assertEquals(ErrorEval.class, result.getClass()); + assertEquals(ErrorEval.VALUE_INVALID, result); + } + +} -- 2.39.5