Vector length 20
Vector length 20 40 60
All other values should be near zero
VecScale 0
VecCopy  0
VecAXPY 0
VecAYPX 0
VecSwap  0
VecSwap  0
VecWAXPY 0
VecPointwiseMult 0
VecPointwiseDivide 0
VecMAXPY 0 0 0 
