When using the operator overloaded ``` ``` to divide big dec kotlinlang #announcements

When using the operator overloaded ```/``` to divi...

fusdahl

04/20/2018, 10:33 AM

When using the operator overloaded

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to divide big decimals the outcome is kind of unexpected:

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40.toBigDecimal() / 100.toBigDecimal()
0
40.toBigDecimal().divide(100.toBigDecimal())
0.4

This seems to be a result of

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using the half even rounding mode. Does anyone know why this rounding mode was chosen?

ilya.gorbunov

04/20/2018, 3:14 PM

divide

throws

ArithmeticException

if it can't represent the result exactly. That's why we use rounding.

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