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-rw-r--r--lib/reed_solomon/decode_rs.c36
1 files changed, 18 insertions, 18 deletions
diff --git a/lib/reed_solomon/decode_rs.c b/lib/reed_solomon/decode_rs.c
index d401dec..a58df56 100644
--- a/lib/reed_solomon/decode_rs.c
+++ b/lib/reed_solomon/decode_rs.c
@@ -1,22 +1,22 @@
-/*
+/*
* lib/reed_solomon/decode_rs.c
*
* Overview:
* Generic Reed Solomon encoder / decoder library
- *
+ *
* Copyright 2002, Phil Karn, KA9Q
* May be used under the terms of the GNU General Public License (GPL)
*
* Adaption to the kernel by Thomas Gleixner (tglx@linutronix.de)
*
- * $Id: decode_rs.c,v 1.6 2004/10/22 15:41:47 gleixner Exp $
+ * $Id: decode_rs.c,v 1.7 2005/11/07 11:14:59 gleixner Exp $
*
*/
-/* Generic data width independent code which is included by the
+/* Generic data width independent code which is included by the
* wrappers.
*/
-{
+{
int deg_lambda, el, deg_omega;
int i, j, r, k, pad;
int nn = rs->nn;
@@ -41,9 +41,9 @@
pad = nn - nroots - len;
if (pad < 0 || pad >= nn)
return -ERANGE;
-
+
/* Does the caller provide the syndrome ? */
- if (s != NULL)
+ if (s != NULL)
goto decode;
/* form the syndromes; i.e., evaluate data(x) at roots of
@@ -54,11 +54,11 @@
for (j = 1; j < len; j++) {
for (i = 0; i < nroots; i++) {
if (syn[i] == 0) {
- syn[i] = (((uint16_t) data[j]) ^
+ syn[i] = (((uint16_t) data[j]) ^
invmsk) & msk;
} else {
syn[i] = ((((uint16_t) data[j]) ^
- invmsk) & msk) ^
+ invmsk) & msk) ^
alpha_to[rs_modnn(rs, index_of[syn[i]] +
(fcr + i) * prim)];
}
@@ -70,7 +70,7 @@
if (syn[i] == 0) {
syn[i] = ((uint16_t) par[j]) & msk;
} else {
- syn[i] = (((uint16_t) par[j]) & msk) ^
+ syn[i] = (((uint16_t) par[j]) & msk) ^
alpha_to[rs_modnn(rs, index_of[syn[i]] +
(fcr+i)*prim)];
}
@@ -99,14 +99,14 @@
if (no_eras > 0) {
/* Init lambda to be the erasure locator polynomial */
- lambda[1] = alpha_to[rs_modnn(rs,
+ lambda[1] = alpha_to[rs_modnn(rs,
prim * (nn - 1 - eras_pos[0]))];
for (i = 1; i < no_eras; i++) {
u = rs_modnn(rs, prim * (nn - 1 - eras_pos[i]));
for (j = i + 1; j > 0; j--) {
tmp = index_of[lambda[j - 1]];
if (tmp != nn) {
- lambda[j] ^=
+ lambda[j] ^=
alpha_to[rs_modnn(rs, u + tmp)];
}
}
@@ -127,8 +127,8 @@
discr_r = 0;
for (i = 0; i < r; i++) {
if ((lambda[i] != 0) && (s[r - i - 1] != nn)) {
- discr_r ^=
- alpha_to[rs_modnn(rs,
+ discr_r ^=
+ alpha_to[rs_modnn(rs,
index_of[lambda[i]] +
s[r - i - 1])];
}
@@ -143,7 +143,7 @@
t[0] = lambda[0];
for (i = 0; i < nroots; i++) {
if (b[i] != nn) {
- t[i + 1] = lambda[i + 1] ^
+ t[i + 1] = lambda[i + 1] ^
alpha_to[rs_modnn(rs, discr_r +
b[i])];
} else
@@ -229,7 +229,7 @@
num1 = 0;
for (i = deg_omega; i >= 0; i--) {
if (omega[i] != nn)
- num1 ^= alpha_to[rs_modnn(rs, omega[i] +
+ num1 ^= alpha_to[rs_modnn(rs, omega[i] +
i * root[j])];
}
num2 = alpha_to[rs_modnn(rs, root[j] * (fcr - 1) + nn)];
@@ -239,13 +239,13 @@
* lambda_pr of lambda[i] */
for (i = min(deg_lambda, nroots - 1) & ~1; i >= 0; i -= 2) {
if (lambda[i + 1] != nn) {
- den ^= alpha_to[rs_modnn(rs, lambda[i + 1] +
+ den ^= alpha_to[rs_modnn(rs, lambda[i + 1] +
i * root[j])];
}
}
/* Apply error to data */
if (num1 != 0 && loc[j] >= pad) {
- uint16_t cor = alpha_to[rs_modnn(rs,index_of[num1] +
+ uint16_t cor = alpha_to[rs_modnn(rs,index_of[num1] +
index_of[num2] +
nn - index_of[den])];
/* Store the error correction pattern, if a