Merge "Minor change in forward updates" into experimental

This commit is contained in:
Deb Mukherjee
2013-06-11 12:48:41 -07:00
committed by Gerrit Code Review
2 changed files with 8 additions and 5 deletions

View File

@@ -156,13 +156,14 @@ static int merge_index(int v, int n, int modulus) {
}
static int inv_remap_prob(int v, int m) {
const int n = 256;
const int n = 255;
v = merge_index(v, n - 1, MODULUS_PARAM);
m--;
if ((m << 1) <= n) {
return inv_recenter_nonneg(v + 1, m);
return 1 + inv_recenter_nonneg(v + 1, m);
} else {
return n - 1 - inv_recenter_nonneg(v + 1, n - 1 - m);
return n - inv_recenter_nonneg(v + 1, n - 1 - m);
}
}

View File

@@ -265,7 +265,7 @@ int count_term_subexp(int word, int k, int num_syms) {
static void compute_update_table() {
int i;
for (i = 0; i < 255; i++)
for (i = 0; i < 254; i++)
update_bits[i] = count_term_subexp(i, SUBEXP_PARAM, 255);
}
@@ -277,9 +277,11 @@ static int split_index(int i, int n, int modulus) {
}
static int remap_prob(int v, int m) {
const int n = 256;
const int n = 255;
const int modulus = MODULUS_PARAM;
int i;
v--;
m--;
if ((m << 1) <= n)
i = recenter_nonneg(v, m) - 1;
else