static float polydiagonal ( float n , float a ) {
  if ( a < 0 && n < 0 ) {
    return - 1 ;
  }
  return ( float ) ( 2 * a * Math . sin ( ( ( ( n - 2 ) * 180 ) / ( 2 * n ) ) * 3.14159 / 180 ) ) ;
}

static float polydiagonal ( float n , float a ) { if ( a < 0 && n < 0 ) { return - 1 ; } return ( float ) ( 2 * a * Math . sin ( ( ( ( n - 2 ) * 180 ) / ( 2 * n ) ) * 3.14159 / 180 ) ) ; }
(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: (block (return_statement (unary_expression operand: (decimal_integer_literal))))) (return_statement (cast_expression type: (floating_point_type) value: (parenthesized_expression (binary_expression left: (binary_expression left: (decimal_integer_literal) right: (identifier)) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (binary_expression left: (parenthesized_expression (binary_expression left: (parenthesized_expression (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (decimal_integer_literal))) right: (parenthesized_expression (binary_expression left: (decimal_integer_literal) right: (identifier))))) right: (decimal_floating_point_literal)) right: (decimal_integer_literal))))))))))