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Add num_types_in_tuple definitionUpdate vecjac_products.jl #162

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Merged
merged 5 commits into from
Nov 11, 2021
+12 −1
Merged

Add num_types_in_tuple definitionUpdate vecjac_products.jl #162

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eab49a9
Update vecjac_products.jl
QiyaoWei Nov 5, 2021
988a05e
Update vecjac_products.jl
QiyaoWei Nov 7, 2021
ab13f9d
Update vecjac_products.jl
QiyaoWei Nov 7, 2021
e9a1c7d
Update src/differentiation/vecjac_products.jl
ChrisRackauckas Nov 11, 2021
bffee4f
Update src/differentiation/vecjac_products.jl
ChrisRackauckas Nov 11, 2021
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13 changes: 12 additions & 1 deletion src/differentiation/vecjac_products.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,17 @@ function _numargs(f)
return (numparam-1) #-1 in v0.5 since it adds f as the first parameter
end


#Get the number of parameters of a Tuple type, i.e. the number of fields.

function num_types_in_tuple(sig)
length(sig.parameters)
end

function num_types_in_tuple(sig::UnionAll)
length(Base.unwrap_unionall(sig).parameters)
end

function num_vecjac!(
du,
f,
Expand Down Expand Up @@ -50,4 +61,4 @@ function num_vecjac(f, x, v, f0 = nothing)
du[i] = (((f0 .- _f0) ./ ϵ)'*vv)[1]
end
return vec(du)
end
end