static float ellipsearea ( float r ) {
  if ( r < 0 ) return - 1 ;
  float a = ( float ) ( ( 3.14f * r * r ) / 4 ) ;
  return a ;
}

static float ellipsearea ( float r ) { if ( r < 0 ) return - 1 ; float a = ( float ) ( ( 3.14f * r * r ) / 4 ) ; 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: (cast_expression type: (floating_point_type) value: (parenthesized_expression (binary_expression left: (parenthesized_expression (binary_expression left: (binary_expression left: (decimal_floating_point_literal) right: (identifier)) right: (identifier))) right: (decimal_integer_literal)))))) (return_statement (identifier))))