From e867373f1845405d375ae485e922cb2446457813 Mon Sep 17 00:00:00 2001
From: Steven Franke <s.j.franke@icloud.com>
Date: Thu, 25 Feb 2016 14:42:10 +0000
Subject: [PATCH] Add (128,82) ldpc code.

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@6494 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
---
 lib/ldpc/jtmode_codes/ldpc-128-82-sf11.gen  | Bin 0 -> 1933 bytes
 lib/ldpc/jtmode_codes/ldpc-128-82-sf11.pchk | Bin 0 -> 1788 bytes
 lib/ldpc/jtmode_codes/ldpc-search           |   4 ++--
 lib/ldpc/jtmode_codes/ldpc-waterfall        |   8 ++++----
 4 files changed, 6 insertions(+), 6 deletions(-)
 create mode 100644 lib/ldpc/jtmode_codes/ldpc-128-82-sf11.gen
 create mode 100644 lib/ldpc/jtmode_codes/ldpc-128-82-sf11.pchk

diff --git a/lib/ldpc/jtmode_codes/ldpc-128-82-sf11.gen b/lib/ldpc/jtmode_codes/ldpc-128-82-sf11.gen
new file mode 100644
index 0000000000000000000000000000000000000000..60e301d92e7a6d7590237cb813ae26b50252e852
GIT binary patch
literal 1933
zcmXxj2e(v35JllZR4^-;Fb*i9D4>9X2~k8b5ybSwfD(;}m@vNIXwH~WFe~P~Ki9lj
zYp=SuZ+BPKsWao(4+gvD4+ewrm>Q?XF)=OX#WgV{4vQn>s5mxeg>#3-L2*(HV^OS)
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zVn;j?JLAdN6;H*}@k~4$hsW-CK3<3y<E3~xUJ2jLmR2-0Kl3(YKOQhU^X3J;n}yoV
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zkFVTqp1ftR@9O2Tu_BMTm#@@3(GN}K<Rxpoq&{A9hwr>3@{N9YMLu4UgFoEi_a9nO
Bs67Ax

literal 0
HcmV?d00001

diff --git a/lib/ldpc/jtmode_codes/ldpc-128-82-sf11.pchk b/lib/ldpc/jtmode_codes/ldpc-128-82-sf11.pchk
new file mode 100644
index 0000000000000000000000000000000000000000..be44a21ac20641ff70249d19d78402004ef9bf12
GIT binary patch
literal 1788
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z=XdXYMxok3ATJOIgz%T2S*$Ur#(o^Y2qy4{{TZwYNJ26)(1k$^VHm%Oo6nkvG;D|G
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zY4H7?8IN&<@QwW_)&=mcLilFS8N(#L5);e19GNJ9_cg=Zzpx+8YEG+A3eTvAHT=x}
zOx9NP;50(`#NWL)A7wD7Q}Ep%*)uQu;k}#Dhkh9Ifqmal1?$&{UJT$pd#hRfrW}><
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zodfG-?{>f*`;KFHMU1_1?yO%BT`&*Nu!k>+ah?`oF|uHd*TQ~#rggI}zW)XB^H_bi
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literal 0
HcmV?d00001

diff --git a/lib/ldpc/jtmode_codes/ldpc-search b/lib/ldpc/jtmode_codes/ldpc-search
index 5591c3adb..425288fad 100755
--- a/lib/ldpc/jtmode_codes/ldpc-search
+++ b/lib/ldpc/jtmode_codes/ldpc-search
@@ -4,13 +4,13 @@
 n=128
 k=80
 m=$((n-k))
-niterations=5
+niterations=10
 
 set -e  # Stop if an error occurs
 
 rand-src  ldpc.src 2 "$k"x100000
 
-for i in `seq 1000 2000`
+for i in `seq 1 1000`
 do
   seed=$i
   echo seed $seed
diff --git a/lib/ldpc/jtmode_codes/ldpc-waterfall b/lib/ldpc/jtmode_codes/ldpc-waterfall
index 502eb0bc6..6ab70c753 100755
--- a/lib/ldpc/jtmode_codes/ldpc-waterfall
+++ b/lib/ldpc/jtmode_codes/ldpc-waterfall
@@ -10,16 +10,16 @@ set -e  # Stop if an error occurs
 #set -v  # Echo commands as they are read
 
 n=128
-k=82
+k=80
 m=$((n-k))
-seed=182
-ntrials=10000
+seed=873
+ntrials=1000000
 niterations=10
 
 rate=$(echo "scale=5; $k/$n" | bc)
 echo n=$n k=$k rate=$rate m=$m
 
-make-ldpc ldpc.pchk "$m" "$n" $seed evenboth 9x3/1x4 no4cycle
+make-ldpc ldpc.pchk "$m" "$n" $seed evenboth 120x3/8x4 no4cycle
 
 make-gen  ldpc.pchk ldpc.gen sparse
 rand-src  ldpc.src 1 "$k"x"$ntrials"