class_docstr: Minus one plus cosine of x, i.e. cos(x) - 1. For use when x is close to zero.
  
  Helper class for use with e.g. scipy.special.cosm1
  See: https://docs.scipy.org/doc/scipy/reference/generated/scipy.special.cosm1.html
class_docstr_tok: ["Minus","one","plus","cosine","of","x",",","i.e",".","cos","(","x",")","-","1",".","For","use","when","x","is","close","to","zero",".","Helper","class","for","use","with","e.g",".","scipy.special.cosm1","See",":","https",":","\/\/docs.scipy.org\/doc\/scipy\/reference\/generated\/scipy.special.cosm1.html"]
code: def _eval_evalf(self, *args, **kwargs):
      return self.rewrite(cos).evalf(*args, **kwargs)
  
file_path: sympy/sympy/codegen/scipy_nodes.py
imports: from sympy.core.function import Add, ArgumentIndexError, Function
  from sympy.core.power import Pow
  from sympy.core.singleton import S
  from sympy.functions.elementary.exponential import log
  from sympy.functions.elementary.trigonometric import cos, sin
label_desc: Use image node_id 3 for calling the cosm1 obj's underlying member method code with example usage: obj._eval_evalf() and returns: self