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feat: Implement lazy evaluation flag for WOperator to optimize memory and computation #387

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feat: Implement lazy evaluation flag for WOperator to optimize memory and computation #387

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9 changes: 5 additions & 4 deletions src/woperator.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -54,8 +54,9 @@ mutable struct WOperator{
_func_cache::F # cache used in `mul!`
_concrete_form::C # non-lazy form (matrix/number) of the operator
jacvec::JV
lazy::Bool

function WOperator{IIP}(mass_matrix, gamma, J, u, jacvec = nothing) where {IIP}
function WOperator{IIP}(mass_matrix, gamma, J, u, jacvec = nothing, lazy::Bool = false) where {IIP}
if J isa Union{Number, ScalarOperator}
_concrete_form = -mass_matrix / gamma + convert(Number, J)
_func_cache = nothing
Expand All @@ -72,13 +73,13 @@ mutable struct WOperator{
JType = typeof(J)
F = typeof(_func_cache)
C = typeof(_concrete_form)
JV = typeof(jacvec)
JV = typeof(jacvec)
return new{IIP, T, MType, GType, JType, F, C, JV}(
mass_matrix, gamma, J,
_func_cache, _concrete_form, jacvec
mass_matrix, gamma, J, _func_cache, _concrete_form, jacvec, lazy
)
end


function Base.copy(W::WOperator{IIP, T, MType, GType, JType, F, C, JV}) where {IIP, T, MType, GType, JType, F, C, JV}
return new{IIP, T, MType, GType, JType, F, C, JV}(
W.mass_matrix,
Expand Down