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Posted to commits@poi.apache.org by fa...@apache.org on 2022/01/25 23:42:27 UTC

svn commit: r1897480 - in /poi/trunk/poi/src: main/java/org/apache/poi/ss/formula/atp/ main/java/org/apache/poi/ss/formula/eval/ main/java/org/apache/poi/ss/formula/functions/ test/java/org/apache/poi/ss/formula/functions/

Author: fanningpj
Date: Tue Jan 25 23:42:27 2022
New Revision: 1897480

URL: http://svn.apache.org/viewvc?rev=1897480&view=rev
Log:
normsinv function

Added:
    poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/functions/NormSInv.java
      - copied, changed from r1897477, poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/functions/NormSDist.java
    poi/trunk/poi/src/test/java/org/apache/poi/ss/formula/functions/TestNormSInv.java
      - copied, changed from r1897477, poi/trunk/poi/src/test/java/org/apache/poi/ss/formula/functions/TestNormSDist.java
Modified:
    poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/atp/AnalysisToolPak.java
    poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/eval/FunctionEval.java
    poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/functions/NormSDist.java

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/atp/AnalysisToolPak.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/atp/AnalysisToolPak.java?rev=1897480&r1=1897479&r2=1897480&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/atp/AnalysisToolPak.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/atp/AnalysisToolPak.java Tue Jan 25 23:42:27 2022
@@ -152,6 +152,7 @@ public final class AnalysisToolPak imple
         r(m, "NORM.DIST", NormDist.instance);
         r(m, "NORM.S.DIST", NormSDist.instance);
         r(m, "NORM.INV", NormInv.instance);
+        r(m, "NORM.S.INV", NormSInv.instance);
         r(m, "NUMBERVALUE", NumberValueFunction.instance);
         r(m, "OCT2BIN", null);
         r(m, "OCT2DEC", Oct2Dec.instance);

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/eval/FunctionEval.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/eval/FunctionEval.java?rev=1897480&r1=1897479&r2=1897480&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/eval/FunctionEval.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/eval/FunctionEval.java Tue Jan 25 23:42:27 2022
@@ -275,7 +275,7 @@ public final class FunctionEval {
         retval[293] = NormDist.instance;
         retval[294] = NormSDist.instance;
         retval[295] = NormInv.instance;
-        // 296: NORMSINV
+        retval[296] = NormSInv.instance;
         // 297: STANDARDIZE
         retval[298] = NumericFunction.ODD;
         // 299: PERMUT

Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/functions/NormSDist.java
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/functions/NormSDist.java?rev=1897480&r1=1897479&r2=1897480&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/functions/NormSDist.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/functions/NormSDist.java Tue Jan 25 23:42:27 2022
@@ -25,7 +25,7 @@ import org.apache.poi.ss.formula.eval.Op
 import org.apache.poi.ss.formula.eval.ValueEval;
 
 /**
- * Implementation for Excel NORMSDIST() function.<p>
+ * Implementation for Excel NORMSDIST() and NORM.S.DIST functions.<p>
  * <ul>
  *   <li>https://support.microsoft.com/en-us/office/normsdist-function-463369ea-0345-445d-802a-4ff0d6ce7cac</li>
  *   <li>https://support.microsoft.com/en-us/office/norm-s-dist-function-1e787282-3832-4520-a9ae-bd2a8d99ba88</li>

Copied: poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/functions/NormSInv.java (from r1897477, poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/functions/NormSDist.java)
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/functions/NormSInv.java?p2=poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/functions/NormSInv.java&p1=poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/functions/NormSDist.java&r1=1897477&r2=1897480&rev=1897480&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/functions/NormSDist.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/formula/functions/NormSInv.java Tue Jan 25 23:42:27 2022
@@ -25,27 +25,27 @@ import org.apache.poi.ss.formula.eval.Op
 import org.apache.poi.ss.formula.eval.ValueEval;
 
 /**
- * Implementation for Excel NORMSDIST() function.<p>
+ * Implementation for Excel NORMSINV() and NORM.S.INV() functions.<p>
  * <ul>
- *   <li>https://support.microsoft.com/en-us/office/normsdist-function-463369ea-0345-445d-802a-4ff0d6ce7cac</li>
- *   <li>https://support.microsoft.com/en-us/office/norm-s-dist-function-1e787282-3832-4520-a9ae-bd2a8d99ba88</li>
+ *   <li>https://support.microsoft.com/en-us/office/normsinv-function-8d1bce66-8e4d-4f3b-967c-30eed61f019d</li>
+ *   <li>https://support.microsoft.com/en-us/office/norm-s-inv-function-d6d556b4-ab7f-49cd-b526-5a20918452b1</li>
  * </ul>
  */
-public final class NormSDist extends Fixed1ArgFunction implements FreeRefFunction {
+public final class NormSInv extends Fixed1ArgFunction implements FreeRefFunction {
 
-    public static final NormSDist instance = new NormSDist();
+    public static final NormSInv instance = new NormSInv();
 
     @Override
     public ValueEval evaluate(int srcRowIndex, int srcColumnIndex, ValueEval arg1) {
         try {
-            Double xval = evaluateValue(arg1, srcRowIndex, srcColumnIndex);
-            if (xval == null) {
+            Double probability = evaluateValue(arg1, srcRowIndex, srcColumnIndex);
+            if (probability == null) {
                 return ErrorEval.VALUE_INVALID;
-            } else if (xval < 0) {
+            } else if (probability <= 0 || probability >= 1) {
                 return ErrorEval.NUM_ERROR;
             }
 
-            return new NumberEval(NormDist.probability(xval.doubleValue(), 0, 1, true));
+            return new NumberEval(NormInv.inverse(probability.doubleValue(), 0, 1));
         } catch (EvaluationException e) {
             return e.getErrorEval();
         }

Copied: poi/trunk/poi/src/test/java/org/apache/poi/ss/formula/functions/TestNormSInv.java (from r1897477, poi/trunk/poi/src/test/java/org/apache/poi/ss/formula/functions/TestNormSDist.java)
URL: http://svn.apache.org/viewvc/poi/trunk/poi/src/test/java/org/apache/poi/ss/formula/functions/TestNormSInv.java?p2=poi/trunk/poi/src/test/java/org/apache/poi/ss/formula/functions/TestNormSInv.java&p1=poi/trunk/poi/src/test/java/org/apache/poi/ss/formula/functions/TestNormSDist.java&r1=1897477&r2=1897480&rev=1897480&view=diff
==============================================================================
--- poi/trunk/poi/src/test/java/org/apache/poi/ss/formula/functions/TestNormSDist.java (original)
+++ poi/trunk/poi/src/test/java/org/apache/poi/ss/formula/functions/TestNormSInv.java Tue Jan 25 23:42:27 2022
@@ -23,7 +23,6 @@ import org.apache.poi.hssf.usermodel.HSS
 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;
@@ -32,20 +31,19 @@ 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}
+ * Tests for {@link NormSInv}
  */
-final class TestNormSDist {
+final class TestNormSInv {
 
     private static final OperationEvaluationContext ec = new OperationEvaluationContext(null, null, 0, 0, 0, null);
 
     @Test
     void testBasic() {
-        confirmValue("1.333333", 0.908788726);
+        confirmValue("0.9088", 1.3334);
     }
 
     @Test
@@ -53,8 +51,16 @@ final class TestNormSDist {
         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 testNumError() {
+        confirmNumError("0");
+        confirmNumError("-0.5");
+        confirmNumError("1");
+        confirmNumError("1.5");
+    }
+
+    //https://support.microsoft.com/en-us/office/normsinv-function-8d1bce66-8e4d-4f3b-967c-30eed61f019d</li>
+    //https://support.microsoft.com/en-us/office/norm-s-inv-function-d6d556b4-ab7f-49cd-b526-5a20918452b1</li>
     @Test
     void testMicrosoftExample1() throws IOException {
         try (HSSFWorkbook wb = new HSSFWorkbook()) {
@@ -62,20 +68,20 @@ final class TestNormSDist {
             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);
+            assertDouble(fe, cell, "NORMSINV(0.9088)", 1.3334, 0.00001);
+            assertDouble(fe, cell, "NORM.S.INV(0.9088)", 1.3334, 0.00001);
         }
     }
 
     private static ValueEval invokeValue(String number1) {
         ValueEval[] args = new ValueEval[] { new StringEval(number1)};
-        return NormSDist.instance.evaluate(args, ec);
+        return NormSInv.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);
+        assertEquals(expected, ((NumberEval) result).getNumberValue(), 0.00001);
     }
 
     private static void confirmInvalidError(String number1) {
@@ -84,4 +90,10 @@ final class TestNormSDist {
         assertEquals(ErrorEval.VALUE_INVALID, result);
     }
 
+    private static void confirmNumError(String number1) {
+        ValueEval result = invokeValue(number1);
+        assertEquals(ErrorEval.class, result.getClass());
+        assertEquals(ErrorEval.NUM_ERROR, result);
+    }
+
 }



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