From 44f758d5791a363d988df6ffdcbaf7e1209c5e1c Mon Sep 17 00:00:00 2001
From: Jonathan Youett <youett@math.fu-berlin.de>
Date: Wed, 29 Oct 2014 11:35:50 +0100
Subject: [PATCH] Improve documentation

---
 dune/solvers/solvers/quadraticipopt.hh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/dune/solvers/solvers/quadraticipopt.hh b/dune/solvers/solvers/quadraticipopt.hh
index 31a6e0e7..ea00e63d 100644
--- a/dune/solvers/solvers/quadraticipopt.hh
+++ b/dune/solvers/solvers/quadraticipopt.hh
@@ -131,10 +131,11 @@ bool QuadraticIPOptProblem<MatrixType,VectorType>::
 get_nlp_info(Ipopt::Index& n, Ipopt::Index& m, Ipopt::Index& nnz_jac_g,
              Ipopt::Index& nnz_h_lag, IndexStyleEnum& index_style)
 {
-    // The problem described in HS071_NLP.hpp has 4 variables, x[0] through x[3]
+    // Number of variables
     n = x_->dim();
 
-    // No equality constraints: Dirichlet conditions are actually inequality constraints
+    // No real constraints: Dirichlet conditions are actually bound inequality constraints
+    // bound constraints are handled differently by IpOpt
     m = 0;
 
     // hence the constraint jacobian is empty
-- 
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