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split svd kwargs tests into separate calls to replacebond
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brian-dellabetta committed Jan 4, 2024
1 parent 39048ea commit e58b122
Showing 1 changed file with 10 additions and 4 deletions.
14 changes: 10 additions & 4 deletions test/ITensorLegacyMPS/base/test_mps.jl
Original file line number Diff line number Diff line change
Expand Up @@ -603,10 +603,10 @@ include(joinpath(@__DIR__, "utils", "util.jl"))
replacebond!(psi, 1, phi)
@test tags(linkind(psi, 1)) == bondindtags

# check that replacebond! updates llim and rlim properly and works with use_absolute_cutoff
# check that replacebond! updates llim and rlim properly
orthogonalize!(psi, 5)
phi = psi[5] * psi[6]
replacebond!(psi, 5, phi; ortho="left", which_decomp="svd", use_absolute_cutoff=true)
replacebond!(psi, 5, phi; ortho="left")
@test ITensors.leftlim(psi) == 5
@test ITensors.rightlim(psi) == 7

Expand All @@ -615,13 +615,19 @@ include(joinpath(@__DIR__, "utils", "util.jl"))
@test ITensors.leftlim(psi) == 4
@test ITensors.rightlim(psi) == 6

# check that replacebond! works with use_absolute_cutoff
ITensors.setleftlim!(psi, 3)
ITensors.setrightlim!(psi, 7)
phi = psi[5] * psi[6]
replacebond!(psi, 5, phi; ortho="left", which_decomp="svd", use_relative_cutoff=true)
replacebond!(psi, 5, phi; ortho="left")
@test ITensors.leftlim(psi) == 3
@test ITensors.rightlim(psi) == 7

# check that replacebond! runs with svd kwargs
psi = randomMPS(sites)
phi = psi[1] * psi[2]
replacebond!(psi, 1, phi; ortho="left", which_decomp="svd", use_relative_cutoff=true)
phi = psi[5] * psi[6]
replacebond!(psi, 5, phi; ortho="right", which_decomp="svd", use_absolute_cutoff=true)
end
end

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