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Bd/sparse gauss #1606

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Bd/sparse gauss #1606

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51c0cce
field version
BD-00 Aug 30, 2024
7c9584e
Merge branch 'thofma:master' into bd/sparse-gauss
BD-00 Aug 30, 2024
205c926
field version
BD-00 Aug 30, 2024
4113aa9
include
BD-00 Aug 30, 2024
25f6d86
loosen range restriction in sub
BD-00 Aug 31, 2024
ac7eb91
Ring version
BD-00 Aug 31, 2024
03d0667
TODO: nullspace for rings
BD-00 Sep 1, 2024
1447d63
initialize output with MatrixSpace
BD-00 Sep 3, 2024
a9d4c9a
minor changes
BD-00 Sep 4, 2024
c3d59f1
Merge remote-tracking branch 'origin/master' into bd/sparse-gauss
BD-00 Sep 14, 2024
0193931
Merge remote-tracking branch 'origin/bd/sparse-gauss' into bd/sparse-…
BD-00 Sep 14, 2024
2317f34
draft pr
BD-00 Sep 16, 2024
b265b95
draft pr
BD-00 Sep 16, 2024
bfd975c
merge
BD-00 Sep 16, 2024
63f481f
Merge branch 'thofma:master' into bd/sparse-gauss
BD-00 Sep 17, 2024
71796a1
Merge branch 'thofma:master' into bd/sparse-gauss
BD-00 Oct 2, 2024
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1 change: 1 addition & 0 deletions src/Sparse.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -28,5 +28,6 @@ include("Sparse/Module.jl")
include("Sparse/Trafo.jl")
include("Sparse/HNF.jl")
include("Sparse/Solve.jl")
include("Sparse/StructuredGauss.jl")
include("Sparse/UpperTriangular.jl")
include("Sparse/Rref.jl")
4 changes: 2 additions & 2 deletions src/Sparse/Matrix.jl
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Expand Up @@ -846,7 +846,7 @@ end
Return the submatrix of $A$, where the rows correspond to $r$ and the columns
correspond to $c$.
"""
function sub(A::SMat{T}, r::AbstractUnitRange, c::AbstractUnitRange) where T
function sub(A::SMat{T}, r::AbstractRange, c::AbstractRange) where T
B = sparse_matrix(base_ring(A))
B.nnz = 0
B.c = length(c)
Expand All @@ -856,7 +856,7 @@ function sub(A::SMat{T}, r::AbstractUnitRange, c::AbstractUnitRange) where T
for j=1:length(ra.values)
if ra.pos[j] in c
push!(rw.values, ra.values[j])
push!(rw.pos, ra.pos[j]-first(c)+1)
push!(rw.pos, div(ra.pos[j]-first(c),step(c))+1)
end
end
push!(B, rw)
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