int findBeginIndex(Node n, double key, boolean inclusive) {
boolean exclusive = !inclusive;
if (key <= n.first()) {
if (key == n.first() && exclusive) return 1;
return 0;
}
int pos = n.findKeyIndex(key);
if (pos < 0) pos = -(pos + 1);
else if (!inclusive) pos++;
return pos;
}
int findEndIndex(Node n, double key, boolean inclusive) {
boolean exclusive = !inclusive;
if (key < n.first()) return -1;
if (key >= n.last()) {
if (key == n.last() && exclusive) return n.len() - 2;
return n.len() - 1;
}
int pos = n.findKeyIndex(key);
if (pos < 0) pos = -(pos + 1);
else if (!inclusive) pos--;
if (pos == n.len()) pos--;
return pos;
}
