Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Hoja De Datos
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AT91SAM9N12-EK
339
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
/* delta set to 0 */
delta[1] = (mu[1] * 2 - lmu[1]) >> 1;
for (i=1; i <= NB_ERROR; i++)
{
mu[i+1] = i << 1;
/*************************************************/
/* */
/* */
/* Compute Sigma (Mu+1) */
/* And L(mu) */
/* check if discrepancy is set to 0 */
if (dmu[i] == 0)
{
/* copy polynom */
for (j=0; j<2*NB_ERROR_MAX+1; j++)
{
smu[i+1][j] = smu[i][j];
}
/* copy previous polynom order to the next */
lmu[i+1] = lmu[i];
}
else
{
ro = 0;
largest = -1;
/* find largest delta with dmu != 0 */
for (j=0; j<i; j++)
{
if (dmu[j])
{
if (delta[j] > largest)
{
largest = delta[j];
ro = j;
}
}
}
/* initialize signal ro */
for (k = 0; k < 2*NB_ERROR_MAX+1; k ++)
{
sro[k] = 0;
}
/* compute difference */
diff = (mu[i] - mu[ro]);
/* compute X ^ (2(mu-ro)) */
for (k = 0; k < (2*NB_ERROR_MAX+1); k ++)
{
sro[k+diff] = smu[ro][k];
}
/* multiply by dmu * dmu[ro]^-1 */
for (k = 0; k < 2*NB_ERROR_MAX+1; k ++)
{
/* dmu[ro] is not equal to zero by definition */
/* check that operand are different from 0 */
if (sro[k] && dmu[i])