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Allocate df with similar, partially fixes GPU support #123

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Jun 10, 2020
Merged

Allocate df with similar, partially fixes GPU support #123

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811d4b7
Allocate df with similar, fixes GPU support
charleskawczynski Jun 6, 2020
2260e7b
Change H allocator.
pkofod Jun 10, 2020
9aba553
Merge pull request #1 from JuliaNLSolvers/GPU
charleskawczynski Jun 10, 2020
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11 changes: 9 additions & 2 deletions src/objective_types/abstract.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -16,8 +16,15 @@ function make_fdf(x, F::Number, f, g!)
end

# Initialize an n-by-n Jacobian
alloc_DF(x, F) = fill(eltype(F)(NaN), length(F), length(x))
function alloc_DF(x, F)
a = (Base.OneTo(length(F)), Base.OneTo(length(x)))
df = similar(F, a)
fill!(df, NaN)
return df
end
# Initialize a gradient shaped like x
alloc_DF(x, F::T) where T<:Number = x_of_nans(x, promote_type(eltype(x), T))
# Initialize an n-by-n Hessian
alloc_H(x, F::T) where T<:Number = alloc_DF(x, promote_type(eltype(x), T).(x))
function alloc_H(x, F::T) where T<:Number
eltype(x)(NaN).*x*x'
end