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Fix serial SVD examples from README by update convert methods to #60

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Merged
merged 1 commit into from
Apr 20, 2020
Merged

Fix serial SVD examples from README by update convert methods to #60

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6 changes: 3 additions & 3 deletions src/julia/generic.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -122,13 +122,13 @@ function Base.convert(::Type{Matrix{T}}, A::Base.VecOrMat{T}) where {T}
m, n = size(A, 1), size(A, 2)
B = Matrix(T)
resize!(B, m, n)
Base.unsafe_copy!(pointer(B), pointer(A), m*n)
Base.unsafe_copyto!(pointer(B), pointer(A), m*n)
return B
end
function Base.convert(::Type{Base.Matrix{T}}, A::Matrix{T}) where {T}
m, n = size(A)
B = Base.Matrix{T}(m, n)
Base.unsafe_copy!(pointer(B), pointer(A), m*n)
B = Base.Matrix{T}(undef, m, n)
Base.unsafe_copyto!(pointer(B), pointer(A), m*n)
return B
end

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2 changes: 1 addition & 1 deletion test/runtests.jl
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Expand Up @@ -3,7 +3,7 @@ using Test
function runtests_mpirun()
nprocs = min(4, Sys.CPU_THREADS)
testdir = dirname(@__FILE__)
testfiles = ["lav.jl", "lavdense.jl", "matrix.jl", "distmatrix.jl", "props.jl", "generic.jl", "spectral.jl", "tsvd.jl"]
testfiles = ["lav.jl", "lavdense.jl", "matrix.jl", "distmatrix.jl", "props.jl", "generic.jl", "spectral.jl", "tsvd.jl", "svd.jl"]
nfail = 0
@info "Running Elemental.jl tests"
for f in testfiles
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10 changes: 10 additions & 0 deletions test/svd.jl
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@@ -0,0 +1,10 @@
using LinearAlgebra, Elemental, Test

m, n = 100, 80
A = Elemental.Matrix(Float64)
Elemental.gaussian!(A, m, n)
U_Elemental, s_Elemental, V_Elemental = svd(A)
U_LAPACK, s_LAPACK, V_LAPACK = svd(Matrix(A))
@test abs.(Matrix(U_Elemental)'*U_LAPACK) ≈ Matrix(I, n, n)
@test Matrix(s_Elemental) ≈ s_LAPACK
@test abs.(Matrix(V_Elemental)'*V_LAPACK) ≈ Matrix(I, n, n)