emankov added a comment.
In D60220#1725633 <https://reviews.llvm.org/D60220#1725633>, @dim wrote:
> $ cat check-isnan.cpp
> #include <math.h>
>
> int check_isnan(double d)
> {
> return ::__isnan(d);
> }
> $ clang -c check-isnan.cpp
> Why can't the regular `isnan` be used instead? Or is this a CUDA-specific
> requirement? (Apologies, but I know next to nothing about CUDA :) )
1. `#include "cuda_runtime.h"`
2. as long as `__isnan` is a devide function, it should be called from
`__devide__` or `__global__` function
3. `clang -c check-isnan.cpp -x cuda`
Repository:
rC Clang
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D60220/new/
https://reviews.llvm.org/D60220
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