???<!-- GIF89;a -->
123123123123
.....................................................................................................................................???<!-- GIF89;a -->
123123123123
.....................................................................................................................................--- !ruby/object:RI::MethodDescription 
aliases: []

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: Computes the inverse hyperbolic tangent of <em>x</em>.
full_name: Math::atanh
is_singleton: true
name: atanh
params: |
  Math.atanh(x)    => float

visibility: public