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Add support for Good General Cauchy Matrices #2

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merged 14 commits into from
Jan 7, 2019
Merged

Add support for Good General Cauchy Matrices #2

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74725fb
In place replaced Vandermonde to GC-Cauchy, WIP
vihu Dec 13, 2018
131d23f
Revert existing encode back to Vandermonde
vihu Dec 13, 2018
ac163c1
Add encode_gc function
vihu Dec 13, 2018
c2ad0ba
WIP, add decode_gc, SEGFAULTS
vihu Dec 14, 2018
f304256
Fix various issues with the GC matrix mode
Vagabond Dec 29, 2018
1e6d3fc
Use decode_gc for common test
vihu Dec 29, 2018
a2e8089
Make EQC test decode random shards
Vagabond Jan 2, 2019
5a56439
Fix encode/decode for the cauchy matrix to work with random shards
Vagabond Jan 2, 2019
b46ca0b
Make W parameterized
vihu Jan 3, 2019
13bf973
Outdent cleanup
vihu Jan 3, 2019
38f91d4
Use default encode and decode funcs in eqc
vihu Jan 3, 2019
d6d7083
Add test for higer w than default
vihu Jan 3, 2019
f9229a4
Use jerasure_bitmatrix_decode instead of decode_lazy
vihu Jan 7, 2019
16f38db
Only use smart lazy decoding when we're missing a shard
Vagabond Jan 7, 2019
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Use decode_gc for common test
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@vihu
vihu committed Dec 29, 2018
commit 1e6d3fca3e149d377a8e764000d84f678c956d07
2 changes: 1 addition & 1 deletion Makefile
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Expand Up @@ -9,7 +9,7 @@ clean:
$(REBAR) clean

test:
$(REBAR) eqc -n 100
$(REBAR) ct --verbose; $(REBAR) eqc -n 100

typecheck:
$(REBAR) dialyzer
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10 changes: 5 additions & 5 deletions test/erasure_SUITE.erl
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Expand Up @@ -45,9 +45,9 @@ cauchy_test(Config) ->
Data = proplists:get_value(data, Config),
{ok, Shards} = erasure:encode_gc(K, M, Data),
ct:pal("Shards: ~p", [Shards]),
?assertEqual({ok, Data}, erasure:decode(K, M, Shards)),
?assertEqual({ok, Data}, erasure:decode(K, M, lists:sublist(Shards, K))),
?assertEqual({ok, Data}, erasure:decode(K, M, lists:reverse(lists:sublist(Shards, K)))),
?assertMatch({error, _}, erasure:decode(K, M, lists:sublist(Shards, K - 1))),
?assertMatch({error, _}, erasure:decode(K, M, lists:sublist(Shards, K - 1) ++ [hd(Shards)])),
?assertEqual({ok, Data}, erasure:decode_gc(K, M, Shards)),
?assertEqual({ok, Data}, erasure:decode_gc(K, M, lists:sublist(Shards, K))),
?assertEqual({ok, Data}, erasure:decode_gc(K, M, lists:reverse(lists:sublist(Shards, K)))),
?assertMatch({error, _}, erasure:decode_gc(K, M, lists:sublist(Shards, K - 1))),
?assertMatch({error, _}, erasure:decode_gc(K, M, lists:sublist(Shards, K - 1) ++ [hd(Shards)])),
ok.