/* gamma = product (1-z*a^Ij) for erasure locs Ij */
void CReedSolomon::init_gamma (int gamma []) {
int tmp [MAX_LENGTH];
for (int i = 0; i < MAX_LENGTH; i ++) {
gamma [i] = 0;
tmp [i] = 0;
}
gamma[0] = 1;
for (int e = 0; e < m_NErasures; e ++) {
copy_poly (tmp, gamma);
scale_poly (byExpToInt [m_ErasureLocs [e]], tmp);
mul_z_poly (tmp);
add_polys (gamma, tmp);
}
}
/* gamma = product (1-z*a^Ij) for erasure locs Ij */
void
init_gamma (int gamma[])
{
int e, tmp[MAXDEG];
zero_poly(gamma);
zero_poly(tmp);
gamma[0] = 1;
for (e = 0; e < NErasures; e++) {
copy_poly(tmp, gamma);
scale_poly(gexp[ErasureLocs[e]], tmp);
mul_z_poly(tmp);
add_polys(gamma, tmp);
}
}