revert to original FLAC__fixed_compute_residual()
diff --git a/src/libFLAC/fixed.c b/src/libFLAC/fixed.c
index 7506368..4018735 100644
--- a/src/libFLAC/fixed.c
+++ b/src/libFLAC/fixed.c
@@ -154,7 +154,6 @@
{
unsigned i;
-#if 0
switch(order) {
case 0:
for(i = 0; i < data_len; i++) {
@@ -187,32 +186,6 @@
default:
assert(0);
}
-#else
- switch(order) {
- case 0:
- for(i = 0; i < data_len; i++)
- residual[i] = data[i];
- break;
- case 1:
- for(i = 0; i < data_len; i++)
- residual[i] = data[i] - data[i-1];
- break;
- case 2:
- for(i = 0; i < data_len; i++)
- residual[i] = data[i] - 2*data[i-1] + data[i-2];
- break;
- case 3:
- for(i = 0; i < data_len; i++)
- residual[i] = data[i] - 3*data[i-1] + 3*data[i-2] - data[i-3];
- break;
- case 4:
- for(i = 0; i < data_len; i++)
- residual[i] = data[i] - 4*data[i-1] + 6*data[i-2] - 4*data[i-3] + data[i-4];
- break;
- default:
- assert(0);
- }
-#endif
}
void FLAC__fixed_restore_signal(const int32 residual[], unsigned data_len, unsigned order, int32 data[])