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Add logging when verbose=true
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@ -57,8 +57,10 @@ include("OrbitDecomposition.jl")
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dens(M::SparseMatrixCSC) = length(M.nzval)/length(M)
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dens(M::AbstractArray) = length(findn(M)[1])/length(M)
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function sparsify!{Tv,Ti}(M::SparseMatrixCSC{Tv,Ti}, eps=eps(Tv))
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function sparsify!{Tv,Ti}(M::SparseMatrixCSC{Tv,Ti}, eps=eps(Tv); verbose=false)
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n = nnz(M)
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densM = dens(M)
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for i in eachindex(M.nzval)
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if abs(M.nzval[i]) < eps
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M.nzval[i] = zero(Tv)
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@ -67,7 +69,9 @@ function sparsify!{Tv,Ti}(M::SparseMatrixCSC{Tv,Ti}, eps=eps(Tv))
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dropzeros!(M)
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m = nnz(M)
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info("Sparsified density:", rpad(dens(U), 15), "→", rpad(dens(W),15))
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if verbose
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info(logger, "Sparsified density:", rpad(densM, 20), " → ", rpad(dens(M), 20))
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end
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return M
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end
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@ -81,6 +85,8 @@ function sparsify!{T}(M::AbstractArray{T}, eps=eps(T); check=false, verbose=fals
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warn(logger, "Sparsification decreased the rank!")
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end
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if verbose
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info(logger, "Sparsified density:", rpad(densM, 20), " → ", rpad(dens(M),20))
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end
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return M
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