On Friday, 30 June 2017 at 16:29:22 UTC, kinke wrote:
> On Friday, 30 June 2017 at 16:21:18 UTC, kinke wrote:
>> CTFE only (incl. parsing of literals). Just make sure you don't happen to call a std.math function only accepting reals; I don't know how many of those are still around.
>
> Oh, apparently most still are. There are even some mean overloads for double/float only casting and forwarding to the `real` implementation.

That is not a problem.
The only problem is that the excess is not discarded at the end. Which is because of the design of the constant-folder.

On Friday, 30 June 2017 at 16:39:16 UTC, Stefan Koch wrote:
> On Friday, 30 June 2017 at 16:29:22 UTC, kinke wrote:
>> On Friday, 30 June 2017 at 16:21:18 UTC, kinke wrote:
>>> CTFE only (incl. parsing of literals). Just make sure you don't happen to call a std.math function only accepting reals; I don't know how many of those are still around.
>>
>> Oh, apparently most still are. There are even some mean overloads for double/float only casting and forwarding to the `real` implementation.
>
> That is not a problem.
> The only problem is that the excess is not discarded at the end. Which is because of the design of the constant-folder.

I was referring to runtime performance, as that was what Luis was concerned about.