Greetings
I was very interested in this project for possible application to the op25
project, since P25 uses several FEC codes
including RS and other block codes. I've brought up the gr-ldpc library and
have a few questions. Due to the hateful YAhoo mail composer, I'm hesitant to
post lengthy emails to the general list with no opportunity for preview prior
to hitting SEND, so I'll try breaking up the list of questions into several
posts, one per question...
First question: I was getting lots of errors, seg faults, aborts, and other
misbehavior from the code, which were traced to an apparent bug in alist.cc,
all of which cleared up when I applied the following patch:
--- ../../repo/gr-ldpc/lib/alist.cc 2013-10-18 10:25:47.508781061 -0400
+++ ./alist.cc 2013-11-05 11:21:03.879972116 -0500
@@ -123,7 +123,7 @@
}
// Parse indices with non zero entries in ith row
- for (int row = 0; row < N; row++) {
+ for (int row = 0; row < M; row++) {
std::getline(file, line);
ss << line;
for (int entry = 0; entry < num_mlist[row]; entry++) {
Can you confirm, is this really a bug?
Thanks and Best
Max
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