int+- min (int+- x, y)                           int min (int x, y)                                ...
{                                                {                                                 ...
  return (x < y) ? x : y;                          return (x < y) ? x : y;                         ...
}                                                }                                                 ...

int+- max (int+- x, y)                           int max (int x, y)                                ...
{                                                {                                                 ...
  return (x > y) ? x : y;                          return (x > y) ? x : y;                         ...
}                                                }                                                 ...