Digitrevorder and pemuterevorder have quite different functionalities.
digitrevorder is to permute data into digit reversed order whereas bitrevorder is used to permute data into bit reversed order.
Example :
a=(0:15)';
y=bitrevorder(a)
b=(0:8)';
z=digitrevorder(b,3)
%Output
y =
0
8
4
12
2
10
6
14
1
9
5
13
3
11
7
15
z =
0
3
6
1
4
7
2
5
8
