Maths

int random ( int min, int max )

Returns a random integer between min and max, inclusive.

---

int abs ( int value )

Returns the absolute value of value.
If value is positive, return value.
If value is negative, return -value.

---

int sign ( int value )

Returns the sign of value.
If value is positive, return 1.
If value is negative, return -1.
If value is zero, return 0.

---

int min ( int a, int b )

If b is less than a, return b. Otherwise, return a.

---

int max ( int a, int b )

If b is greater than a, return b. Otherwise, return a.