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more tests for quantum Tanner codes using both bipartite and quadripartite LRCCs #29

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more tests for quantum Tanner codes using both bipartite and quadripartite LRCCs #29

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more tests for quantum Tanner codes using both bipartite and quadripa…
Fe-r-oz Nov 11, 2025
5547994
use same local code parameter!
Fe-r-oz Nov 11, 2025
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polish
Fe-r-oz Nov 11, 2025
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polish
Fe-r-oz Nov 11, 2025
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polish
Fe-r-oz Nov 11, 2025
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Merge branch 'QuantumSavory:main' into fa/moretests
Fe-r-oz Nov 14, 2025
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66 changes: 64 additions & 2 deletions test/test_morgenstern.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -262,14 +262,14 @@
# (1, 4) # PSL(2,16) takes long time
]
for (l, i) in test_cases
@testset "l=$l, i=$i (q=$(2^l)^$i=$(2^(l*i)))" begin
@testset "Bipartite LRCCs: l=$l, i=$i (q=$(2^l)^$i=$(2^(l*i)))" begin
q = 2^l
Δ = q+1
SL₂, B = morgenstern_generators(l, i)
A = alternative_morgenstern_generators(B, FirstOnly())
for _ in 1:5
for rate in [0.4, 0.5, 0.6, 0.7]
hx, hz = gen_code(rate, SL₂, A, B)
hx, hz = gen_code(rate, SL₂, A, B) # Q = 360
c = Stabilizer(CSS(hx, hz))
@test stab_looks_good(c, remove_redundant_rows=true)
hx, hz = gen_good_code(rate, SL₂, A, B)
Expand All @@ -278,6 +278,68 @@
end
end
end
@testset "Quadripartite LRCCs: l=$l, i=$i (q=$(2^l)^$i=$(2^(l*i)))" begin
q = 2^l
Δ = q+1
SL₂, B = morgenstern_generators(l, i)
A = alternative_morgenstern_generators(B, FirstOnly())
for _ in 1:5
for rate in [0.5, 0.6, 0.7]
hx, hz = gen_code(rate, SL₂, A, A, bipartite=false) # Q = 960
c = Stabilizer(CSS(hx, hz))
@test stab_looks_good(c, remove_redundant_rows=true)
hx, hz = gen_code(0.4, SL₂, A, A, use_same_local_code=true, bipartite=false)
c = Stabilizer(CSS(hx, hz))
@test stab_looks_good(c, remove_redundant_rows=true)
hx, hz = gen_good_code(rate, SL₂, A, A, use_same_local_code=true, bipartite=false)
c = Stabilizer(CSS(hx, hz))
@test stab_looks_good(c, remove_redundant_rows=true)
end
end
end
@testset "Quadripartite LRCCs: l=$l, i=$i (q=$(2^l)^$i=$(2^(l*i)))" begin
q = 2^l
Δ = q+1
SL₂, B = morgenstern_generators(l, i)
A = alternative_morgenstern_generators(B, FirstOnly())
for _ in 1:5
hx, hz = gen_code(0.4, SL₂, B, B, bipartite=false) # Q = 540
c = Stabilizer(CSS(hx, hz))
@test stab_looks_good(c, remove_redundant_rows=true)
hx, hz = gen_code(0.4, SL₂, B, B, use_same_local_code=true, bipartite=false)
c = Stabilizer(CSS(hx, hz))
@test stab_looks_good(c, remove_redundant_rows=true)
hx, hz = gen_good_code(0.4, SL₂, B, B, use_same_local_code=true, bipartite=false)
c = Stabilizer(CSS(hx, hz))
@test stab_looks_good(c, remove_redundant_rows=true)
end
end
@testset "Quadripartite LRCCs: l=$l, i=$i (q=$(2^l)^$i=$(2^(l*i)))" begin
q = 2^l
Δ = q+1
SL₂, B = morgenstern_generators(l, i)
A = alternative_morgenstern_generators(B, FirstOnly())
for _ in 1:5
for rate in [0.4, 0.5, 0.6, 0.7]
hx, hz = gen_code(rate, SL₂, A, B, bipartite=false) # Q = 720
c = Stabilizer(CSS(hx, hz))
@test stab_looks_good(c, remove_redundant_rows=true)
end
end
end
@testset "Quadripartite LRCCs: l=$l, i=$i (q=$(2^l)^$i=$(2^(l*i)))" begin
q = 2^l
Δ = q+1
SL₂, B = morgenstern_generators(l, i)
A = alternative_morgenstern_generators(B, FirstOnly())
for _ in 1:5
for rate in [0.4, 0.5, 0.6]
hx, hz = gen_code(rate, SL₂, B, A, bipartite=false) # Q = 720
c = Stabilizer(CSS(hx, hz))
@test stab_looks_good(c, remove_redundant_rows=true)
end
end
end
end
end
end
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