On Monday, 27 August 2018 at 09:57:18 UTC, Sobaya wrote:
On Monday, 27 August 2018 at 09:41:34 UTC, 9il wrote:
On Monday, 27 August 2018 at 08:25:14 UTC, Sobaya wrote:
I'm using dcompute(https://github.com/libmir/dcompute).
In the development, I have got to use math functions such as
sqrt in @compute function.
But LDC says "can only call functions from other @compute
modules in @compute code", so can't I call any math functions
with dcompute?
Is there any way to use predefined math functions in dcompute?
Thanks.
You may want to try ldc.intrinsics / mir.math.common
Do you mean llvm_sqrt in ldc.intrinsics?
These functions are also not @compute code, so they cause the
same error.
Thanks for bringing this to my attention, will fix soon. In the
meantime you may declare your own intrinsics in a @compute module
and it should work. as in
@compute module mymath;
pragma(LDC_intrinsic, "llvm.sqrt.f#")
T llvm_sqrt(T)(T val)
if (__traits(isFloating, T));
This will work if you are targeting CUDA, SPIRV may not like it
because the backend is less... mature.
