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Added arg check to NumericFunction.singleOperandEvaluate().

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@893403 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Josh Micich 2009-12-23 04:40:14 +00:00
parent cc648a0fc0
commit 51c3adb24f
1 changed files with 3 additions and 0 deletions
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3
src/java/org/apache/poi/hssf/record/formula/functions/NumericFunction.java
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@ -34,6 +34,9 @@ public abstract class NumericFunction implements Function {
static final double LOG_10_TO_BASE_e = Math.log(TEN);
protected static final double singleOperandEvaluate(ValueEval arg, int srcRowIndex, int srcColumnIndex) throws EvaluationException {
if (arg == null) {
throw new IllegalArgumentException("arg must not be null");
}
ValueEval ve = OperandResolver.getSingleValue(arg, srcRowIndex, srcColumnIndex);
double result = OperandResolver.coerceValueToDouble(ve);
checkValue(result);