Fix compiler warning for MathConstants.h (#52123)

Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/52123

Compiler currently complains:
```
caffe2/c10/util/MatchConstants.h(18): warning: calling a constexpr __host__ function("from_bits") from a __host__ __device__ function("pi") is not allowed.
```
This diff extirpates the warning

Test Plan: Sandcastle tests

Reviewed By: xush6528

Differential Revision: D26379485

fbshipit-source-id: ab4821119cba8c43fd1d5788c4632d0613529ec8
This commit is contained in:
Richard Barnes 2021-02-17 22:05:31 -08:00 committed by Facebook GitHub Bot
parent eaad002cf6
commit f1e004b954

View file

@ -81,7 +81,7 @@ struct alignas(2) BFloat16 {
#endif
struct from_bits_t {};
static constexpr from_bits_t from_bits() {
static constexpr C10_HOST_DEVICE from_bits_t from_bits() {
return from_bits_t();
}