static double extrapolate ( double [ ] [ ] d , double x ) {
  double y = d [ 0 ] [ 1 ] + ( x - d [ 0 ] [ 0 ] ) / ( d [ 1 ] [ 0 ] - d [ 0 ] [ 0 ] ) * ( d [ 1 ] [ 1 ] - d [ 0 ] [ 1 ] ) ;
  return y ;
}

static double extrapolate ( double [ ] [ ] d , double x ) { double y = d [ 0 ] [ 1 ] + ( x - d [ 0 ] [ 0 ] ) / ( d [ 1 ] [ 0 ] - d [ 0 ] [ 0 ] ) * ( d [ 1 ] [ 1 ] - d [ 0 ] [ 1 ] ) ; return y ; }
(method_declaration (modifiers) type: (floating_point_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (floating_point_type) dimensions: (dimensions)) name: (identifier)) (formal_parameter type: (floating_point_type) name: (identifier))) body: (block (local_variable_declaration type: (floating_point_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (array_access array: (array_access array: (identifier) index: (decimal_integer_literal)) index: (decimal_integer_literal)) right: (binary_expression left: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (array_access array: (array_access array: (identifier) index: (decimal_integer_literal)) index: (decimal_integer_literal)))) right: (parenthesized_expression (binary_expression left: (array_access array: (array_access array: (identifier) index: (decimal_integer_literal)) index: (decimal_integer_literal)) right: (array_access array: (array_access array: (identifier) index: (decimal_integer_literal)) index: (decimal_integer_literal))))) right: (parenthesized_expression (binary_expression left: (array_access array: (array_access array: (identifier) index: (decimal_integer_literal)) index: (decimal_integer_literal)) right: (array_access array: (array_access array: (identifier) index: (decimal_integer_literal)) index: (decimal_integer_literal)))))))) (return_statement (identifier))))