static double ReuleauxArea ( float a ) {
  if ( a < 0 ) return - 1 ;
  double A = ( double ) 0.70477 * Math . pow ( a , 2 ) ;
  return A ;
}

static double ReuleauxArea ( float a ) { if ( a < 0 ) return - 1 ; double A = ( double ) 0.70477 * Math . pow ( a , 2 ) ; return A ; }
(method_declaration (modifiers) type: (floating_point_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (floating_point_type) name: (identifier))) body: (block (if_statement condition: (parenthesized_expression (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: (binary_expression left: (cast_expression type: (floating_point_type) value: (decimal_floating_point_literal)) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier) (decimal_integer_literal)))))) (return_statement (identifier))))