Reed-Solomon errors-and-erasures decoder: gfpow(value,p,n) - File Exchange

Code covered by the BSD License

from Reed-Solomon errors-and-erasures decoder by Jaco Versfeld
An errors-and-erasures decoder for Reed-Solomon codes based on the Massey-Berlekamp algorithm

gfpow(value,p,n)
function a = gfpow(value,p,n) %a = gfpow(alpha,p,n) %alpha^value, (alpha^value)^p and n = 2^m- in Galois field a = mod(value*p,n);