how to check cudnn code example

Example 1: check cuda nn version

cat /usr/local/cuda/include/cudnn.h | grep CUDNN_MAJOR -A 2orcat /usr/include/cudnn.h | grep CUDNN_MAJOR -A 2

Example 2: how to check do my system has cudnn

-- Found cuDNN (include: /usr/local/cuda-7.0/include, library: /usr/local/cuda-7.0/lib64/libcudnn.so)

-- NVIDIA CUDA:
--   Target GPU(s)     :   Auto
--   GPU arch(s)       :   sm_30
--   cuDNN             :   Yes