static float func ( float x ) {
  return ( 1 / ( 1 + x * x ) ) ;
}

static float func ( float x ) { return ( 1 / ( 1 + x * x ) ) ; }
(method_declaration (modifiers) type: (floating_point_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (floating_point_type) name: (identifier))) body: (block (return_statement (parenthesized_expression (binary_expression left: (decimal_integer_literal) right: (parenthesized_expression (binary_expression left: (decimal_integer_literal) right: (binary_expression left: (identifier) right: (identifier)))))))))