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Multiple operations and rounding #6

jodastephen opened this Issue · 2 comments

2 participants



It looks like the Money performs all math that might have fractions of cents using a RoundingMode. This will cause issues with multiple operations and money loss. If you multiple by a couple of numbers, do some division, add a few things, do some more division, you'll end up losing multiple cents along the way. This happens frequently in financial applications and many others as well.

There needs to be a way to perform multiple calculations on a Money instance without any rounding and then round at the end. The BigMoney doesn't quite provide this. Perhaps a MoneyMath container (or building pattern) of some sort that can provide multiple operations and in the end provide back a Money instance.


I guess I'm not sure exactly what you're looking for. BigMoney simply wraps a BigDecimal, and should expose all the key methods to do what you want. Perhaps there is a method from BDecimal that it should expose but doesn't? Happy to take a look a pull requests if that is easier..

@jodastephen jodastephen referenced this issue

Split money #4


Please see for a simple implementation (also includes #4)

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