From 1f277c2383448968a758d0e390cd126dd0f8cba2 Mon Sep 17 00:00:00 2001
From: Oliver Sander <sander@igpm.rwth-aachen.de>
Date: Fri, 24 Oct 2014 13:35:05 +0000
Subject: [PATCH] Use IPOpt again for solving the coarse grid problem
Gauss-Seidel is simply to slow, the Newton convergence suffers too much.
[[Imported from SVN: r9929]]
---
dune/gfe/trustregionsolver.cc | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/dune/gfe/trustregionsolver.cc b/dune/gfe/trustregionsolver.cc
index b5894182..7bd14731 100644
--- a/dune/gfe/trustregionsolver.cc
+++ b/dune/gfe/trustregionsolver.cc
@@ -55,7 +55,7 @@ setup(const GridType& grid,
// Create a multigrid solver
// ////////////////////////////////
-#if 0//def HAVE_IPOPT
+#ifdef HAVE_IPOPT
// First create an IPOpt base solver
QuadraticIPOptSolver<MatrixType, CorrectionType>* baseSolver = new QuadraticIPOptSolver<MatrixType,CorrectionType>;
baseSolver->verbosity_ = NumProc::QUIET;
--
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