U:RDoc::AnyMethod[iI"	atan:ETI"Math::atan;TT:publico:RDoc::Markup::Document:@parts[o:RDoc::Markup::Paragraph;	[I":Computes the arc tangent of +x+. Returns -PI/2..PI/2.;To:RDoc::Markup::BlankLineo;
;	[I""Domain: (-INFINITY, INFINITY);T@o;
;	[I"Codomain: (-PI/2, PI/2);T@o:RDoc::Markup::Verbatim;	[I"Math.atan(0) #=> 0.0;T:@format0:
@fileI"math.c;T:0@omit_headings_from_table_of_contents_below0I"Math.atan(x)    -> Float
;T0[I"	(p1);T@FI"	Math;TcRDoc::NormalModule00