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Fix LAPACK.posv! tests #1192

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Merged
merged 2 commits into from
Feb 3, 2025
Merged

Fix LAPACK.posv! tests #1192

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79d87f6
Fix random seed in `LAPACK.posv!` tests
dkarrasch Feb 3, 2025
5c9cebd
provide rtol instead
dkarrasch Feb 3, 2025
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10 changes: 5 additions & 5 deletions test/lapack.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -676,13 +676,13 @@ end
@testset "posv and some errors for friends" begin
@testset for elty in (Float32, Float64, ComplexF32, ComplexF64)
local n = 10
A = randn(elty,n,n)
A = A'*A
B = rand(elty,n,n)
a = randn(elty, n, n)
A = a'*a
B = rand(elty, n, n)
D = copy(A)
C = copy(B)
D,C = LAPACK.posv!('U',D,C)
@test A\B ≈ C
D, C = LAPACK.posv!('U', D, C)
@test A\B ≈ C rtol=cond(A)*eps(real(elty))
offsizemat = Matrix{elty}(undef, n+1, n+1)
@test_throws DimensionMismatch LAPACK.posv!('U', D, offsizemat)
@test_throws DimensionMismatch LAPACK.potrs!('U', D, offsizemat)
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