Check for available ma57 solver before using it. Set a better memory size for mumps.

git-svn-id: http://www.openflipper.org/svnrepo/CoMISo/trunk@107 1355f012-dd97-4b2f-ae87-10fa9f823a57

CoMISo/NSolver/IPOPTSolver.cc

@@ -28,8 +28,18 @@ IPOPTSolver()
   // Create an instance of the IpoptApplication
   app_ = IpoptApplicationFactory();
 
-  // set default parameters
+  // Switch to HSL if available in Comiso
+  #if COMISO_HSL_AVAILABLE
     app_->Options()->SetStringValue("linear_solver", "ma57");
+  #endif
+
+  // Restrict memory to be able to run larger problems on windows
+  // with the default mumps solver
+  #ifdef WIN32
+    app_->Options()->SetIntegerValue("mumps_mem_percent", 5);
+  #endif
+
+  // set default parameters
   app_->Options()->SetIntegerValue("max_iter", 100);
   //  app->Options()->SetStringValue("derivative_test", "second-order");
   //  app->Options()->SetIntegerValue("print_level", 0);