class_docstr: Abstract base class for rounding functions.
class_docstr_tok: ["Abstract","base","class","for","rounding","functions","."]
code: def _eval_is_integer(self):
      return self.args[0].is_real
  
imports: from typing import Tuple
  from sympy.core.basic import Basic
  from sympy.core.expr import Expr
  from sympy.core import Add, S
  from sympy.core.evalf import get_integer_part, PrecisionExhausted
  from sympy.core.function import Function
  from sympy.core.logic import fuzzy_or
  from sympy.core.numbers import Integer, int_valued
  from sympy.core.relational import Gt, Lt, Ge, Le, Relational, is_eq
  from sympy.core.sympify import _sympify
  from sympy.functions.elementary.complexes import im, re
  from sympy.multipledispatch import dispatch
label_desc: Use image node_id 5 for calling the RoundFunction obj's underlying member method code with example usage: obj._eval_is_integer() and returns: self