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void MoveRelative  (  const double *const  relativePosition, 
const double *const  vel,  
const double *const  accel,  
const double *const  decel,  
const double *const  jerkPct ) 
relativePosition  An array of relative increments, positive or negative, in UserUnits. 
vel  array of Maximum velocity, units/second. 
accel  array of Maximum accleration , units/second/second. 
decel  array of Maximum deceleration , units/second/second. 
jerkPct  array of Jerk Percent, which defines the percentage of acceleration time which is smoothed, 0.0 to 100.0 . 