It shouldn't be hard to add your own modulo implementation: mod = code - (floor(code / 97) * 97)
given all operations are on NSDecimalNumber (or Decimal in Swift 3.0)... > On Jun 25, 2016, at 9:06 PM, Andrea Leganza via swift-evolution > <[email protected]> wrote: > > Hello all, > > i was working with huge int numbers (28 digits) due to the developing of an > algorithm to check the validity of IBAN bank codes (source: > https://en.wikipedia.org/wiki/International_Bank_Account_Number > <https://en.wikipedia.org/wiki/International_Bank_Account_Number>) > > The algorithm requests to check the modulus of the 28 digits number with > value 97, the only type which was useful due to the size which can contain > was NSDecimalNumber > (https://developer.apple.com/library/mac/documentation/Cocoa/Reference/Foundation/Classes/NSDecimalNumber_Class/ > > <https://developer.apple.com/library/mac/documentation/Cocoa/Reference/Foundation/Classes/NSDecimalNumber_Class/>) > which doesn’t support modulus > > I had to use and external library like this one: > https://github.com/mkrd/Swift-Big-Integer > <https://github.com/mkrd/Swift-Big-Integer> which supports int and double, > maybe adding the modulus operation to NSDecimalNumber will be useful for some > users or creating a framework to manage huge int or double. > > if something already exists sorry for the trouble. > > best regards. > eng. Andrea Leganza > ————————————————— > Docente di Fondamenti di programmazione c/o Istituto Quasar - Roma > Docente di Progettazione di Applicazioni per Dispositivi Mobili c/o Istituto > Quasar - Roma > Docente di Unity3D c/o Vigamus Academy - Roma > Docente di Programmazione Web c/o ENAIP - Roma > Redattore magazine Io Programmo - ed. Master > Adobe Flex & Air certified > Sun Java 1.6 Certified > EUCIP Core Certified > > _______________________________________________ > swift-evolution mailing list > [email protected] > https://lists.swift.org/mailman/listinfo/swift-evolution
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