avoid to divide by zero: in case of missing values, return undefined response
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@ -43,6 +43,10 @@ public class PidMatch extends AbstractCondition {
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int incommon = Sets.intersection(pidAset, pidBset).size();
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int incommon = Sets.intersection(pidAset, pidBset).size();
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int simDiff = Sets.symmetricDifference(pidAset, pidBset).size();
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int simDiff = Sets.symmetricDifference(pidAset, pidBset).size();
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if (incommon + simDiff == 0) {
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return new ConditionEval(cond, a, b, 0);
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}
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int result = incommon / (incommon + simDiff) > 0.5 ? 1 : -1;
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int result = incommon / (incommon + simDiff) > 0.5 ? 1 : -1;
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return new ConditionEval(cond, a, b, result);
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return new ConditionEval(cond, a, b, result);
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