Awesome. Really looking forward to this! :)
On 13 January 2015 at 03:12, Iain Buclaw via Digitalmars-d <[email protected]> wrote: > On 2 January 2015 at 14:19, Iain Buclaw <[email protected]> wrote: >> On 1 January 2015 at 18:40, H. S. Teoh via Digitalmars-d >> <[email protected]> wrote: >>> On Fri, Jan 02, 2015 at 02:56:16AM +1000, Manu via Digitalmars-d wrote: >>>> Does anyone know how to fix this? Can we please do so? It's been a >>>> problem for like 5 years it seems. >>>> It's a bit insane that we can't resolve any non-linear functions at >>>> compile time. >>> >>> I've been waiting for this since like, forever. We even have a D code >>> implementation of pow() already (thanks to Iain), which *should* have >>> been CTFE-able, if it weren't for CTFE limitations that prohibit >>> reinterpreting float values in binary, which is required for certain >>> basic operations like isInfinite, isNaN, etc.. >>> >>> So it seems that the blocker right now is CTFE, which, unfortunately, is >>> not a pretty piece of code, and requires quite a bit of care to get it >>> done right. >>> >> >> The fundamental structure is in place in Target. where the paintAsType >> implementation encodes/decodes from a char buffer (and supports up to >> 512 bytes). You can add support for painting a double as a ushort[4] >> by adding a loop, decodeInteger(e, buffer), decodeInteger(e, >> buffer+2), etc... >> >> The second part (and more crucial) is adding the capability into CTFE. >> Shouldn't be much work, but I've yet to get round to it. >> >> See: >> https://github.com/D-Programming-Language/dmd/blob/master/src/target.c#L287 >> >> > > I've started a branch which works on this. I expect it will take me a > week to finish with unittests. > > Iain.
