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Add backwards-compat fallbacks for old jac_lin* signatures #515

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Add backwards-compat fallbacks for old jac_lin* signatures #515

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8ffc12a
Add backwards-compat fallbacks for old jac_lin* signatures; add CHANG…
arnavk23 Nov 18, 2025
f86cdc0
Delete CHANGELOG.md
arnavk23 Nov 18, 2025
f3c91e3
Update api.jl
arnavk23 Nov 18, 2025
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47 changes: 40 additions & 7 deletions src/nlp/api.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -238,6 +238,9 @@ Return the structure of the linear constraints Jacobian in sparse coordinate for
"""
function jac_lin_structure! end

@deprecate jac_lin_structure!(nlp::AbstractNLPModel, x::AbstractVector, rows::AbstractVector, cols::AbstractVector) jac_lin_structure!(nlp, rows, cols)
@deprecate jac_lin_structure(nlp::AbstractNLPModel, x::AbstractVector) jac_lin_structure(nlp)

"""
(rows,cols) = jac_nln_structure(nlp)

Expand Down Expand Up @@ -268,10 +271,18 @@ function jac_coord!(nlp::AbstractNLPModel, x::AbstractVector, vals::AbstractVect
increment!(nlp, :neval_jac)
if nlp.meta.nlin > 0
if nlp.meta.nnln == 0
jac_lin_coord!(nlp, vals)
if hasmethod(jac_lin_coord!, Tuple{typeof(nlp), AbstractVector, typeof(vals)})
jac_lin_coord!(nlp, x, vals)
else
jac_lin_coord!(nlp, vals)
end
else
lin_ind = 1:(nlp.meta.lin_nnzj)
jac_lin_coord!(nlp, view(vals, lin_ind))
if hasmethod(jac_lin_coord!, Tuple{typeof(nlp), AbstractVector, AbstractVector})
jac_lin_coord!(nlp, x, view(vals, lin_ind))
else
jac_lin_coord!(nlp, view(vals, lin_ind))
end
end
end
if nlp.meta.nnln > 0
Expand Down Expand Up @@ -328,7 +339,11 @@ Evaluate the linear constraints Jacobian in sparse coordinate format.
"""
function jac_lin_coord(nlp::AbstractNLPModel{T, S}) where {T, S}
vals = S(undef, nlp.meta.lin_nnzj)
return jac_lin_coord!(nlp, vals)
if hasmethod(jac_lin_coord!, Tuple{typeof(nlp), AbstractVector, typeof(vals)}) && !isempty(nlp.meta.x0)
return jac_lin_coord!(nlp, nlp.meta.x0, vals)
else
return jac_lin_coord!(nlp, vals)
end
end

@deprecate jac_lin_coord(nlp::AbstractNLPModel, x::AbstractVector) jac_lin_coord(nlp)
Expand Down Expand Up @@ -399,9 +414,17 @@ function jprod!(nlp::AbstractNLPModel, x::AbstractVector, v::AbstractVector, Jv:
increment!(nlp, :neval_jprod)
if nlp.meta.nlin > 0
if nlp.meta.nnln == 0
jprod_lin!(nlp, v, Jv)
if hasmethod(jprod_lin!, Tuple{typeof(nlp), AbstractVector, AbstractVector, typeof(Jv)})
jprod_lin!(nlp, x, v, Jv)
else
jprod_lin!(nlp, v, Jv)
end
else
jprod_lin!(nlp, v, view(Jv, nlp.meta.lin))
if hasmethod(jprod_lin!, Tuple{typeof(nlp), AbstractVector, AbstractVector, AbstractVector})
jprod_lin!(nlp, x, v, view(Jv, nlp.meta.lin))
else
jprod_lin!(nlp, v, view(Jv, nlp.meta.lin))
end
end
end
if nlp.meta.nnln > 0
Expand Down Expand Up @@ -544,11 +567,21 @@ function jtprod!(nlp::AbstractNLPModel, x::AbstractVector, v::AbstractVector, Jt
@lencheck nlp.meta.ncon v
increment!(nlp, :neval_jtprod)
if nlp.meta.nnln == 0
(nlp.meta.nlin > 0) && jtprod_lin!(nlp, v, Jtv)
if nlp.meta.nlin > 0
if hasmethod(jtprod_lin!, Tuple{typeof(nlp), AbstractVector, AbstractVector, typeof(Jtv)})
jtprod_lin!(nlp, x, v, Jtv)
else
jtprod_lin!(nlp, v, Jtv)
end
end
elseif nlp.meta.nlin == 0
(nlp.meta.nnln > 0) && jtprod_nln!(nlp, x, v, Jtv)
elseif nlp.meta.nlin >= nlp.meta.nnln
jtprod_lin!(nlp, view(v, nlp.meta.lin), Jtv)
if hasmethod(jtprod_lin!, Tuple{typeof(nlp), AbstractVector, AbstractVector, typeof(Jtv)})
jtprod_lin!(nlp, x, view(v, nlp.meta.lin), Jtv)
else
jtprod_lin!(nlp, view(v, nlp.meta.lin), Jtv)
end
if nlp.meta.nnln > 0
Jtv .+= jtprod_nln(nlp, x, view(v, nlp.meta.nln))
end
Expand Down
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