[swift-corelibs-dev] NSDecimal & NSDecimalNumber
florian at bottledsoftware.de
Fri Dec 11 06:32:03 CST 2015
Is someone already working on NSDecimal and/or NSDecimalNumber? If not I would like to help and have a few questions on how to best tackle this.
I think it’s best to start with NSDecimal and then use NSDecimal to create NSDecimalNumber. That’s why I want to concentrate on NSDecimal first. As far as I know there is no CF type we can utilize for NSDecimal and the existing interface is not Swift-like. I see two possible approaches here:
We try to match the existing interface of NSDecimal as close as possible and only provide the same function interface with UnsafePointers all over the place
We create a Swift-like version of the NSDecimal struct. This struct stores its data in private properties and exposes methods (add, multiply, etc.) and computed properties (isNaN, etc.). Additionally, to achieve compatibility with the existing Foundation NSDecimal, we provide the same functions that take NSDecimal pointers and internally use the methods of the Swift struct.
What do you think?
Unfortunately, I haven’t found a lot of documentation for NSDecimal, yet. Is there any documentation, which describes the NSDecimal functions?
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