Kimchuls

Results 1 issues of Kimchuls

![07ba95b40197057d4654cf973236b7a](https://user-images.githubusercontent.com/49985540/94366446-e9dfef80-010a-11eb-9d8f-7da6a54ac0d2.png) After I run the code `python setup.py install`, I meet the problem above. But I set the the environment variable $CUDA_SAMPLES_INC to the path that contains the header helper_math.h....