Money type

[H. S. Teoh]

On Thu, Jan 02, 2020 at 05:18:04PM +0000, Russel Winder via Digitalmars-d wrote:
[...]
> As I understand it the core problem is needing base 10 numbers not
> base 2 ones – converting between them causes problems – and using
> hardware floating point does not have enough accuracy for compliance
> with requirements of FCA for financial calculations.

AFAIK, the crux of the problem with using binary floating point types
for money representation is that the former's base-2 rounding behaviour
does not 100% match the latter's expected base-10 rounding behaviour.
This discrepancy is a big problem because in financial applications 100%
identical behaviour with base-10 rounding is a non-negotiable
requirement.


T

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