static float findRadiusOfcircumcircle ( float n , float a ) {
  if ( n < 0 || a < 0 ) return - 1 ;
  float radius = ( float ) ( a / Math . sqrt ( 2 - ( 2 * Math . cos ( 360 / n ) ) ) ) ;
  return radius ;
}

static float findRadiusOfcircumcircle ( float n , float a ) { if ( n < 0 || a < 0 ) return - 1 ; float radius = ( float ) ( a / Math . sqrt ( 2 - ( 2 * Math . cos ( 360 / n ) ) ) ) ; return radius ; }
(method_declaration (modifiers) type: (floating_point_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (floating_point_type) name: (identifier)) (formal_parameter type: (floating_point_type) name: (identifier))) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))) consequence: (return_statement (unary_expression operand: (decimal_integer_literal)))) (local_variable_declaration type: (floating_point_type) declarator: (variable_declarator name: (identifier) value: (cast_expression type: (floating_point_type) value: (parenthesized_expression (binary_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (decimal_integer_literal) right: (parenthesized_expression (binary_expression left: (decimal_integer_literal) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (decimal_integer_literal) right: (identifier)))))))))))))) (return_statement (identifier))))