stevedlawrence commented on a change in pull request #179: Return xs:decimal
when dividing xs:long
URL: https://github.com/apache/incubator-daffodil/pull/179#discussion_r254754214
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File path:
daffodil-runtime1/src/main/scala/org/apache/daffodil/dpath/NumericOps.scala
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@@ -174,13 +174,7 @@ case object TimesLong extends NumericOp {
def operate(v1: JNumber, v2: JNumber): JNumber = { asLong(v1) * asLong(v2) }
}
case object DivLong extends NumericOp {
- def operate(v1: JNumber, v2: JNumber): JNumber = {
- val v2l = asLong(v2)
- if (v2l == 0) {
- throw new ArithmeticException("/ by zero")
- }
- asDouble(v1) / v2l
- }
+ def operate(v1: JNumber, v2: JNumber): JBigDecimal = {
DivDecimal.operate(v1, v2) }
Review comment:
Is this code path even possible now? I would guess that with the change
above the convergedArgType in NumericExpression must be one of Decimal, Float,
or Double so the case like ``("div", Long)`` and other related int types
wouldn't even be possible. So DivLong and IDivLong would never be used. I would
htink only DivDecimal, DivDouble, and DivFloat need to exist?
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