code: def isneginf(input, *, out=None):
      is_inf = ivy.isinf(input)
      neg_sign_bit = ivy.less(input, 0)
      return ivy.logical_and(is_inf, neg_sign_bit, out=out)
  
imports: import ivy
  import ivy.functional.frontends.torch
  from ivy.func_wrapper import with_unsupported_dtypes
  from ivy.functional.frontends.torch.func_wrapper import to_ivy_arrays_and_back
  from collections import namedtuple
label_desc: Use image node_id 16 for calling a global function with example usage: isneginf(input) and returns: ivy