# Functions
Abs returns the absolute of v.
Add3D returns the element-wise addition of vector a and b.
Add4D returns the element-wise addition of vector a and b.
Cross3D returns the cross product of vector a and b.
MaxOf returns the maximum value of all the arguments.
MinOf returns the minimum value of all the arguments.
Round rounds v to the nearest integer.
Sqrt returns the square root of v.
Sub3D returns the element-wise subtraction of vector b from a.
Sub4D returns the element-wise subtraction of vector b from a.