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add INT tests 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1897715 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
PJ Fanning 2022-02-03 10:05:38 +00:00
parent 3a1fb48124
commit 9a97204dc8
2 changed files with 8 additions and 3 deletions
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1
poi/src/main/java/org/apache/poi/ss/formula/functions/NumericFunction.java
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@ -100,6 +100,7 @@ public abstract class NumericFunction implements Function {
public static final Function EXP = oneDouble(d -> Math.pow(Math.E, d));
public static final Function FACT = oneDouble(MathX::factorial);
//https://support.microsoft.com/en-us/office/int-function-a6c4af9e-356d-4369-ab6a-cb1fd9d343ef
public static final Function INT = oneDouble(d -> Math.round(d-0.5));
public static final Function LN = oneDouble(Math::log);
public static final Function LOG10 = oneDouble(d -> Math.log(d) / LOG_10_TO_BASE_e);

10
poi/src/test/java/org/apache/poi/ss/formula/functions/TestNumericFunction.java
View File

@ -30,8 +30,12 @@ final class TestNumericFunction {
HSSFWorkbook wb = new HSSFWorkbook();
HSSFCell cell = wb.createSheet().createRow(0).createCell(0);
HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(wb);
assertDouble(fe, cell, "880000000*0.00849", 7471200.0, 0.00000001);
assertDouble(fe, cell, "880000000*0.00849/3", 2490400.0, 0.00000001);
assertDouble(fe, cell, "INT(880000000*0.00849/3)", 2490400.0, 0.00000001);
assertDouble(fe, cell, "INT(880000000.0001)", 880000000.0, 0);
//the following INT(-880000000.0001) resulting in -880000001.0 has been observed in excel
//see also https://support.microsoft.com/en-us/office/int-function-a6c4af9e-356d-4369-ab6a-cb1fd9d343ef
assertDouble(fe, cell, "INT(-880000000.0001)", -880000001.0, 0);
assertDouble(fe, cell, "880000000*0.00849", 7471200.0, 0);
assertDouble(fe, cell, "880000000*0.00849/3", 2490400.0, 0);
assertDouble(fe, cell, "INT(880000000*0.00849/3)", 2490400.0, 0);
}
}