code: def atan2pi(y, x, queue=None):
      """
      .. versionadded:: 2013.1
      """
      queue = queue or y.queue
      result = y._new_like_me(_get_common_dtype(y, x, queue))
      result.add_event(_atan2pi(result, y, x, queue=queue))
      return result
  
imports: import pyopencl.array
  import pyopencl.elementwise
  from pyopencl.array import _get_common_dtype
  import numpy
label_desc: Use image node_id 5 for calling a global function with example usage: atan2pi(y, x, queue) and returns: result