fix?

Author: tarun-mitruka

ikarus/solver/nonlinearsolver/newtonraphson.hh

@@ -165,7 +165,7 @@ public:
     nonLinearOperator().updateAll();
     const auto& rx = nonLinearOperator().value();
     const auto& Ax = nonLinearOperator().derivative();
-    auto rNorm     = norm(rx);
+    decltype(norm(rx)) rNorm     = 1;
     decltype(rNorm) dNorm;
     int iter{0};
     if constexpr (isLinearSolver)