enclosed calls to alglib in try/catch

contrib/HighOrderMeshOptimizer/OptHOM.cpp

@@ -265,6 +265,7 @@ void OptHOM::OptimPass(alglib::real_1d_array &x,
   if (OPTMETHOD == 1) {
     alglib::mincgstate state;
     alglib::mincgreport rep;
+    try{
       mincgcreate(x, state);
       mincgsetscale(state,scale);
       mincgsetprecscale(state);
@@ -272,6 +273,10 @@ void OptHOM::OptimPass(alglib::real_1d_array &x,
       mincgsetxrep(state, true);
       alglib::mincgoptimize(state, evalObjGradFunc, printProgressFunc, this);
       mincgresults(state, x, rep);
+    }
+    catch(alglib::ap_error e){
+      Msg::Error("%s", e.msg.c_str());
+    }
     iterationscount = rep.iterationscount;
     nfev = rep.nfev;
     terminationtype = rep.terminationtype;
@@ -279,6 +284,7 @@ void OptHOM::OptimPass(alglib::real_1d_array &x,
   else {
     alglib::minlbfgsstate state;
     alglib::minlbfgsreport rep;
+    try{
       minlbfgscreate(3, x, state);
       minlbfgssetscale(state,scale);
       minlbfgssetprecscale(state);
@@ -286,6 +292,10 @@ void OptHOM::OptimPass(alglib::real_1d_array &x,
       minlbfgssetxrep(state, true);
       alglib::minlbfgsoptimize(state, evalObjGradFunc, printProgressFunc, this);
       minlbfgsresults(state, x, rep);
+    }
+    catch(alglib::ap_error e){
+      Msg::Error("%s", e.msg.c_str());
+    }
     iterationscount = rep.iterationscount;
     nfev = rep.nfev;
     terminationtype = rep.terminationtype;