static float ellipse ( float l , float b ) {
  if ( l < 0 || b < 0 ) return - 1 ;
  float x = ( float ) ( 3.14 * l * b ) / 4 ;
  return x ;
}

static float ellipse ( float l , float b ) { if ( l < 0 || b < 0 ) return - 1 ; float x = ( float ) ( 3.14 * l * b ) / 4 ; return x ; }
(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: (binary_expression left: (cast_expression type: (floating_point_type) value: (parenthesized_expression (binary_expression left: (binary_expression left: (decimal_floating_point_literal) right: (identifier)) right: (identifier)))) right: (decimal_integer_literal)))) (return_statement (identifier))))