diff options
author | Matthias P. Braendli <matthias.braendli@mpb.li> | 2019-09-23 20:09:39 +0200 |
---|---|---|
committer | Matthias P. Braendli <matthias.braendli@mpb.li> | 2019-09-23 20:09:39 +0200 |
commit | 09e514732788d821189c59ddc58e70355ba1a3cb (patch) | |
tree | d7adc353859aa7f796bda0b4be12421f69779e73 /src/fec/rs-common.h | |
parent | 56ad3cdd13e4c0078329ede5781bae4fcaeed569 (diff) | |
download | ODR-SourceCompanion-09e514732788d821189c59ddc58e70355ba1a3cb.tar.gz ODR-SourceCompanion-09e514732788d821189c59ddc58e70355ba1a3cb.tar.bz2 ODR-SourceCompanion-09e514732788d821189c59ddc58e70355ba1a3cb.zip |
Add code from common repository
Diffstat (limited to 'src/fec/rs-common.h')
-rw-r--r-- | src/fec/rs-common.h | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/src/fec/rs-common.h b/src/fec/rs-common.h deleted file mode 100644 index e64eb39..0000000 --- a/src/fec/rs-common.h +++ /dev/null @@ -1,26 +0,0 @@ -/* Stuff common to all the general-purpose Reed-Solomon codecs - * Copyright 2004 Phil Karn, KA9Q - * May be used under the terms of the GNU Lesser General Public License (LGPL) - */ - -/* Reed-Solomon codec control block */ -struct rs { - int mm; /* Bits per symbol */ - int nn; /* Symbols per block (= (1<<mm)-1) */ - data_t *alpha_to; /* log lookup table */ - data_t *index_of; /* Antilog lookup table */ - data_t *genpoly; /* Generator polynomial */ - int nroots; /* Number of generator roots = number of parity symbols */ - int fcr; /* First consecutive root, index form */ - int prim; /* Primitive element, index form */ - int iprim; /* prim-th root of 1, index form */ - int pad; /* Padding bytes in shortened block */ -}; - -static inline int modnn(struct rs *rs,int x){ - while (x >= rs->nn) { - x -= rs->nn; - x = (x >> rs->mm) + (x & rs->nn); - } - return x; -} |