[Cleanup] Kill unnecessary copy

src/one-body-sample.cc

@@ -471,7 +471,7 @@ int main(int argc, char *argv[]) {
         alpha_initial, frictionalNodes, frictionData);
 
     VectorType v = v_initial;
-    SingletonVectorType alpha = alpha_initial;
+    SingletonVectorType alpha(finestSize);
 
     auto const timesteps = parset.get<size_t>("timeSteps.number"),
                state_fpi_max = parset.get<size_t>("v.fpi.maximumIterations"),