[Libclc-dev] [PATCH 3/3] Implementations for exp(float) and exp(double)

[Jeroen Ketema]

>> Irrespective of this mistake. I’m wondering if this is the best way to separate the float from double behaviour or whether there’s a clearer way to do this.
> 
> It's not the easiest of code to follow due to all the macros but
> that's probably because I'm not that familiar with libclc's code base.
> 
> Maybe this is a dumb question but would it be possible to just always
> use the high precision constant (LOG2E) and rely on the compiler to
> implicitly cast down to float (32-bit) for the float types? This would
> simplify the implementation.

Unfortunately not, when you disable the 64-bit extensions, the high precision constant is no longer available.

Jeroen