debugging break after 200 iterations

dune/tectonic/spatial-solving/fixedpointiterator.cc

@@ -155,6 +155,13 @@ FixedPointIterator<Factory, NBodyAssembler, Updaters, ErrorNorms>::run(
       fixedPointIteration++;
       break;
     }
+
+    if (res.iterations>200) {
+        std::cout << "FixedPointIterator: TNNMG did not converge, iterations: " << res.iterations << std::endl;
+        //DUNE_THROW(Dune::Exception, "FixedPointIterator: TNNMG did not converge");
+        break;
+    }
+
     alpha = newAlpha;
   }