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partial implementation CEILING.MATH function (needs more testing and bad param support) 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1901169 13f79535-47bb-0310-9956-ffa450edef68
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PJ Fanning 2022-05-23 13:28:52 +00:00
parent 400f22037d
commit 592bac02e1
1 changed files with 22 additions and 0 deletions
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22
poi/src/main/java/org/apache/poi/ss/formula/functions/CeilingMath.java
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@ -24,6 +24,9 @@ import org.apache.poi.ss.formula.eval.NumberEval;
import org.apache.poi.ss.formula.eval.OperandResolver;
import org.apache.poi.ss.formula.eval.ValueEval;
import java.math.BigDecimal;
import java.math.RoundingMode;
/**
* Implementation for Excel CEILING.MATH() function.
* <ul>
@ -46,20 +49,39 @@ public final class CeilingMath implements FreeRefFunction {
if (xval == null) {
return ErrorEval.NUM_ERROR;
}
double multiplier = 1.0;
if (args.length > 1) {
Double arg1Val = evaluateValue(args[1], ec.getRowIndex(), ec.getColumnIndex());
multiplier = arg1Val != null ? arg1Val.doubleValue() : 1.0;
}
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) {
if (multiplier != 1.0) {
return new NumberEval(roundUsingBigDecimal(xval, multiplier, RoundingMode.FLOOR));
}
return new NumberEval(Math.floor(xval));
}
if (multiplier != 1.0) {
return new NumberEval(roundUsingBigDecimal(xval, multiplier, RoundingMode.CEILING));
}
return new NumberEval(Math.ceil(xval));
} catch (EvaluationException evaluationException) {
return evaluationException.getErrorEval();
}
}
private double roundUsingBigDecimal(double xval, double multiplier, RoundingMode mode) {
BigDecimal multiplierDecimal = BigDecimal.valueOf(multiplier);
BigDecimal bd = BigDecimal.valueOf(xval).divide(multiplierDecimal)
.setScale(0, mode)
.multiply(multiplierDecimal);
return bd.doubleValue();
}
private static Double evaluateValue(ValueEval arg, int srcRowIndex, int srcColumnIndex) throws EvaluationException {
ValueEval veText = OperandResolver.getSingleValue(arg, srcRowIndex, srcColumnIndex);
String strText1 = OperandResolver.coerceValueToString(veText);