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[ITensors] Add option to ignore space error in replaceind #1455

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[ITensors] Add option to ignore space error in replaceind #1455

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248476a
Add option to ignore space error.
corbett5 May 21, 2024
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corbett5 May 21, 2024
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8 changes: 5 additions & 3 deletions src/indexset.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -597,7 +597,7 @@ function replaceinds_space_error(is, inds1, inds2, i1, i2)
""")
end

function replaceinds(is::Indices, inds1, inds2)
function replaceinds(is::Indices, inds1, inds2; ignoreSpaceError::Bool=false)
is1 = inds1
poss = indexin(is1, is)
is_tuple = Tuple(is)
Expand All @@ -606,15 +606,17 @@ function replaceinds(is::Indices, inds1, inds2)
i1 = is_tuple[pos]
i2 = inds2[j]
i2 = setdir(i2, dir(i1))
if space(i1) ≠ space(i2)
if !ignoreSpaceError && space(i1) ≠ space(i2)
replaceinds_space_error(is, inds1, inds2, i1, i2)
end
is_tuple = setindex(is_tuple, i2, pos)
end
return (is_tuple)
end

replaceind(is::Indices, i1::Index, i2::Index) = replaceinds(is, (i1,), (i2,))
function replaceind(is::Indices, i1::Index, i2::Index; ignoreSpaceError::Bool=false)
return replaceinds(is, (i1,), (i2,); ignoreSpaceError)
end

function replaceind(is::Indices, i1::Index, i2::Indices)
length(i2) != 1 &&
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