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Re: Using _Decimal64
On 7 September 2017 at 18:02, A.J. Bonnema wrote:
> On 09/06/2017 06:21 PM, Jonathan Wakely wrote:
>>
>> On 6 September 2017 at 16:59, A.J. Bonnema wrote:
>>
>> Indeed, when I created a small program, it compiles. Doesn't run as I
>> expected (printf shows a different value), but it compiles and runs.
>
>
> The _Decimal type is actually pretty awesome! Except for printf for which I
> have to cast back to float or double, it works just like other numeric
> variables.
Glibc allows printf-hooks that can be used to add support for new
types, like the decimal float types. I'm not sure if any hooks are
provided by GCC or not.
> Apart from that it is not a part of the current C standard (C11) why don't
> we see more people talking about this? As far as I can see it is an
> excellent addition for financial and reporting applications. Just wondering.
The performance isn't as good as some people would like.