--- hs071_old.cpp	2013-05-23 11:41:14.458257000 -0400
+++ hs071_main.cpp	2013-05-23 11:26:50.322121000 -0400
@@ -31,6 +31,7 @@
   app->Options()->SetNumericValue("tol", 1e-7);
   app->Options()->SetStringValue("mu_strategy", "adaptive");
   app->Options()->SetStringValue("output_file", "ipopt.out");
+  app->Options()->SetStringValue( "linear_solver", "ma97" );
   // The following overwrites the default name (ipopt.opt) of the
   // options file
   // app->Options()->SetStringValue("option_file_name", "hs071.opt");