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Resize the buffer correctly after the presolve #159

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Merged
merged 1 commit into from
May 22, 2025
Merged

Resize the buffer correctly after the presolve #159

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2 changes: 1 addition & 1 deletion src/presolve/presolve.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -208,7 +208,6 @@ function presolve(
lvar, uvar = psqm.meta.lvar, psqm.meta.uvar
lcon, ucon = psqm.meta.lcon, psqm.meta.ucon
nvar, ncon = psqm.meta.nvar, psqm.meta.ncon
resize!(psdata.v, nvar)

# copy if same vector
lcon === ucon && (lcon = copy(lcon))
Expand Down Expand Up @@ -380,6 +379,7 @@ function presolve(
kwargs...,
)
ps = PresolvedQuadraticModel(psmeta, Counters(), psdata, psd)
resize!(ps.data.v, nvarps)
return GenericExecutionStats(
ps,
status = :unknown,
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2 changes: 1 addition & 1 deletion src/qpmodel.jl
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Expand Up @@ -252,7 +252,7 @@ function NLPModels.objgrad!(qp::AbstractQuadraticModel, x::AbstractVector, g::Ab
NLPModels.increment!(qp, :neval_grad)
mul!(g, Symmetric(qp.data.H, :L), x)
f = qp.data.c0 + dot(qp.data.c, x) + dot(g, x) / 2
@. g .+= qp.data.c
g .+= qp.data.c
return f, g
end

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