Fix sparspak init_cacheval

Author: ErikQQY

ext/LinearSolveSparspakExt.jl

@@ -17,7 +17,7 @@ function LinearSolve.init_cacheval(
 end
 
 function LinearSolve.init_cacheval(
-        ::SparspakFactorization, A, b, u, Pl, Pr, maxiters::Int, abstol,
+        ::SparspakFactorization, A::AbstractSparseMatrixCSC, b, u, Pl, Pr, maxiters::Int, abstol,
         reltol,
         verbose::Bool, assumptions::OperatorAssumptions)
     A = convert(AbstractMatrix, A)

src/iterative_wrappers.jl

@@ -238,8 +238,9 @@ function init_cacheval(alg::KrylovJL, A, b, u, Pl, Pr, maxiters::Int, abstol, re
 end
 
 # Krylov.jl tries to init with `ArrayPartition(undef, ...)`. Avoid hitting that!
-function init_cacheval(alg::LinearSolve.KrylovJL, A, b::RecursiveArrayTools.ArrayPartition, u, Pl, Pr,
-    maxiters::Int, abstol, reltol, verbose::Bool, ::LinearSolve.OperatorAssumptions)
+function init_cacheval(
+        alg::LinearSolve.KrylovJL, A, b::RecursiveArrayTools.ArrayPartition, u, Pl, Pr,
+        maxiters::Int, abstol, reltol, verbose::Bool, ::LinearSolve.OperatorAssumptions)
     return nothing
 end