code: def noncentral_f(dfnum, dfden, nonc, size=None, dtype=float):
      """Noncentral F distribution.
  
      Returns an array of samples drawn from the noncentral F
      distribution.
  
      Reference: https://en.wikipedia.org/wiki/Noncentral_F-distribution
  
      Args:
          dfnum (float): Parameter of the noncentral F distribution.
          dfden (float): Parameter of the noncentral F distribution.
          nonc (float): Parameter of the noncentral F distribution.
          size (int or tuple of ints): The shape of the array. If ``None``, a
              zero-dimensional array is generated.
          dtype: Data type specifier. Only :class:`numpy.float32` and
              :class:`numpy.float64` types are allowed.
  
      Returns:
          cupy.ndarray: Samples drawn from the noncentral F distribution.
  
      .. seealso::
          :func:`numpy.random.noncentral_f`
      """
      rs = _generator.get_random_state()
      return rs.noncentral_f(dfnum, dfden, nonc, size=size, dtype=dtype)
  
imports: from cupy.random import _generator
  from cupy import _util
label_desc: Use image node_id 20 for calling a global function with example usage: noncentral_f(dfnum, dfden, nonc, size, dtype) and returns: rs