Tag: Integer
How to store large integer values without losing precision
I recently wanted to use some very large numbers in Swift and quickly came across some limitations.
Int
My first implementation started out naively with Int (Int64) type. This is, after all, the easiest way to use integers.
The limitations are also easy to understand.
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Ken Boreham
Beyond 128-bit integers
December 24, 2017
General Coding, Reference
Comments Off on Beyond 128-bit integers
Ken Boreham
I just finished a post related to the top range of integer values that are supported by Swift.
https://kenb.us/big-integers
The conclusion was that we can use the Decimal type to hold integer values with up to nearly 128 bits. That’s an impressively large number.
It’s hard to imagine a case where you would require both a larger number and precision at the least significant figures. However, it does make an interesting exercise so let’s give it a shot.
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