67     T				max;  variable
134     max = point;  in Interval()
141     max = maxV;  in Interval()
148     return (min == src.min && max == src.max);
155     min = limits<T>::max();  in makeEmpty()
156     max = limits<T>::min();  in makeEmpty()
166     if ( point > max )  in extendBy()
167     max = point;  in extendBy()
177     if ( interval.max > max )  in extendBy()
178     max = interval.max;  in extendBy()
185     return point >= min && point <= max;  in intersects()
192     return interval.max >= min && interval.min <= max;  in intersects()
199     return max-min;  in size()
206     return (max+min)/2;  in center()
213     return max < min;  in isEmpty()
219     return max > min;  in hasVolume()