circular shift in matlab

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MatLab

i am creating simulink rs model for overlapped symbol. for overlapping i have to use circular shift.i have used Embedded MATLAB Function block and write following function in that.


function y = fcn(u,Shft)
%#eml

y = circshift(u,Shft);


But using this i get output like if input is 5678 and shft is 2 then output is 7856.
Input of circular shift in my project is [16320*1] in bit format. now i want to do circular shift at every 64bits row. means circular shift happen at every 64bits continuously upto 16320.not at the end of 16320.

can any one have idea regarding this.

it is urgent.