From 943e26209b3773cf440af50ce3bb041fc3b3c055 Mon Sep 17 00:00:00 2001
From: hanchuan <whc.shmily@gmail.com>
Date: Sat, 4 Mar 2023 22:29:09 +0100
Subject: [PATCH] [examples][cleanup] remove solver deprecation warnings

---
 examples/2pinfiltration/main.cc       | 6 ++++--
 examples/shallowwaterfriction/main.cc | 6 ++++--
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/examples/2pinfiltration/main.cc b/examples/2pinfiltration/main.cc
index d74be4dce8..d8c06a1ebf 100644
--- a/examples/2pinfiltration/main.cc
+++ b/examples/2pinfiltration/main.cc
@@ -38,8 +38,9 @@
 #include <dumux/common/initialize.hh>
 
 //We include the linear solver to be used to solve the linear system and the nonlinear  Newton's method
-#include <dumux/linear/amgbackend.hh>
+#include <dumux/linear/istlsolvers.hh>
 #include <dumux/linear/linearsolvertraits.hh>
+#include <dumux/linear/linearalgebratraits.hh>
 #include <dumux/nonlinear/newtonsolver.hh>
 
 // Further, we include assembler, which assembles the linear systems for finite volume schemes (box-scheme, tpfa-approximation, mpfa-approximation) and a file that defines the different differentiation methods used to compute the derivatives of the residual
@@ -212,7 +213,8 @@ int main(int argc, char** argv) try
     auto assembler = std::make_shared<Assembler>(problem, gridGeometry, gridVariables, timeLoop, xOld);
 
     // We set the linear solver and the non-linear solver
-    using LinearSolver = AMGBiCGSTABBackend<LinearSolverTraits<GridGeometry>>;
+    using LinearSolver = AMGBiCGSTABIstlSolver<LinearSolverTraits<GridGeometry>,
+                                               LinearAlgebraTraitsFromAssembler<Assembler>>;
     auto linearSolver = std::make_shared<LinearSolver>(leafGridView, gridGeometry->dofMapper());
 
     using NewtonSolver = Dumux::NewtonSolver<Assembler, LinearSolver>;
diff --git a/examples/shallowwaterfriction/main.cc b/examples/shallowwaterfriction/main.cc
index c28d65422d..e80c599ce2 100644
--- a/examples/shallowwaterfriction/main.cc
+++ b/examples/shallowwaterfriction/main.cc
@@ -40,8 +40,9 @@
 // The following files contains the available linear solver backends, the non linear Newton Solver
 // and the assembler for the linear systems arising from finite volume discretizations
 // (box-scheme, tpfa-approximation, mpfa-approximation).
+#include <dumux/linear/istlsolvers.hh>
 #include <dumux/linear/linearsolvertraits.hh>
-#include <dumux/linear/amgbackend.hh>
+#include <dumux/linear/linearalgebratraits.hh>
 #include <dumux/nonlinear/newtonsolver.hh>
 #include <dumux/assembly/fvassembler.hh>
 
@@ -136,7 +137,8 @@ int main(int argc, char** argv) try
     auto assembler = std::make_shared<Assembler>(problem, gridGeometry, gridVariables, timeLoop, xOld);
 
     // We initialize the linear solver.
-    using LinearSolver = AMGBiCGSTABBackend<LinearSolverTraits<GridGeometry>>;
+    using LinearSolver = AMGBiCGSTABIstlSolver<LinearSolverTraits<GridGeometry>,
+                                               LinearAlgebraTraitsFromAssembler<Assembler>>;
     auto linearSolver = std::make_shared<LinearSolver>(leafGridView, gridGeometry->dofMapper());
 
     // We initialize the non-linear solver.
-- 
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