basic wrapper, force to csc

Author: klamike

Project.toml

@@ -23,9 +23,11 @@ StableRNGs = "860ef19b-820b-49d6-a774-d7a799459cd3"
 
 [weakdeps]
 MathOptInterface = "b8f27783-ece8-5eb3-8dc8-9495eed66fee"
+QuadraticModels = "f468eda6-eac5-11e8-05a5-ff9e497bcd19"
 
 [extensions]
 CoolPDLPMOIExt = "MathOptInterface"
+CoolPDLPQuadraticModelsExt = "QuadraticModels"
 
 [compat]
 Adapt = "4.4.0"
@@ -37,6 +39,7 @@ KernelAbstractions = "0.9.38"
 LinearAlgebra = "1"
 MathOptInterface = "1"
 Printf = "1.11.0"
+QuadraticModels = "0.9"
 ProgressMeter = "1.11.0"
 QPSReader = "0.2.1"
 Random = "1.11.0"

ext/CoolPDLPQuadraticModelsExt.jl

@@ -0,0 +1,22 @@
+module CoolPDLPQuadraticModelsExt
+
+import SparseArrays: SparseMatrixCSC
+import QuadraticModels: AbstractQuadraticModel
+import CoolPDLP
+
+function CoolPDLP.MILP(qm::AbstractQuadraticModel; ignore_islp = false, kwargs...)
+    ignore_islp || @assert qm.meta.islp
+
+    return CoolPDLP.MILP(;
+        c = qm.data.c,
+        lv = qm.meta.lvar,
+        uv = qm.meta.uvar,
+        A = SparseMatrixCSC(qm.data.A),
+        lc = qm.meta.lcon,
+        uc = qm.meta.ucon,
+        name = qm.meta.name,
+        kwargs...
+    )
+end
+
+end # module