Move ordering in CudssSolverOptions

lib/MadNLPGPU/src/cudss.jl

@@ -4,6 +4,7 @@ import SparseArrays
 @kwdef mutable struct CudssSolverOptions <: MadNLP.AbstractOptions
     # Use LDLᵀ by default in CUDSS as Cholesky can lead to undefined behavior.
     cudss_algorithm::MadNLP.LinearFactorization = MadNLP.LDL
+    ordering::Symbol = :default
 end
 
 mutable struct CUDSSSolver{T} <: MadNLP.AbstractLinearSolver{T}
@@ -20,7 +21,6 @@ function CUDSSSolver(
     csc::CUSPARSE.CuSparseMatrixCSC{T};
     opt=CudssSolverOptions(),
     logger=MadNLP.MadNLPLogger(),
-    ordering::Symbol=:default
 ) where T
     n, m = size(csc)
     @assert n == m
@@ -45,18 +45,18 @@ function CUDSSSolver(
     data = CUDSS.CudssData()
     solver = CUDSS.CudssSolver(matrix, config, data)
 
-    if ordering != :default
-        if ordering == :metis
+    if opt.ordering != :default
+        if opt.ordering == :metis
             A = SparseMatrixCSC(csc)
             G = Metis.graph(A, check_hermitian=false)
             perm, iperm = Metis.permutation(G)
             cudss_set(solver, "user_perm", perm)
-        elseif ordering == :amd
+        elseif opt.ordering == :amd
             A = SparseMatrixCSC(csc)
             perm = AMD.amd(A)
             cudss_set(solver, "user_perm", perm)
         else
-            error("The ordering $ordering is not supported.")
+            error("The ordering $(opt.ordering) is not supported.")
         end
     end