code: def _hash_func(k, a, b, size):
      k = np.uint64(k)
      a = np.uint64(a)
      b = np.uint64(b)
      size = np.uint64(size)
      return ((a * k + b) % PRIME) % size
  
file_path: cudf/python/cudf/cudf/utils/hash_vocab_utils.py
imports: import numpy
label_desc: Use image node_id 2 for calling a global function with example usage: _hash_func(k, a, b, size) and returns: unknown