class_docstr: Argument transform from (-oo, oo) to (-1, 1)
class_docstr_tok: ["Argument","transform","from","(","-oo",",","oo",")","to","(","-1",",","1",")"]
code: def get_t(self, x):
      s = -1 if x < 0 else 1
      return s / (abs(x) + 1)
  
imports: import sys
  import copy
  import heapq
  import collections
  import functools
  import numpy
  from scipy._lib._util import MapWrapper, _FunctionWrapper
label_desc: Use image node_id 2 for calling the DoubleInfiniteFunc obj's underlying member method code with example usage: obj.get_t(x) and returns: unknown