hot fix log (#14293)

test=develop
6 years ago · ffc866159f
parent 65b61db10a
commit ffc866159f
1 changed files with 1 additions and 1 deletions
--- a/paddle/fluid/operators/math/cross_entropy.cu
+++ b/paddle/fluid/operators/math/cross_entropy.cu
@ -28,7 +28,7 @@ __device__ __forceinline__ double real_log(double x) { return log(x); }

 __device__ __forceinline__ platform::float16 real_log(
    const platform::float16& val) {
-  return static_cast<platform::float16>(hlog(static_cast<half>(val)));
+  return static_cast<platform::float16>(logf(static_cast<float>(val)));
 }

 template <typename T>