fix const correctness in lambda

GooFit · Jan 22, 2024 · 4cc468c · 4cc468c
1 parent 87a7da1
commit 4cc468c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Projection.cpp b/src/Projection.cpp
@@ -134,7 +134,7 @@ template <> std::tuple<std::vector<TH1D*>, THStack*> Projection::projInternal(co
     for( unsigned j = 0 ; j != weights.size(); ++j ) hists[j]->Fill( pos, evt.weight() * weights[j] / evt.genPdf() ); 
   }
   std::sort( std::begin(hists), std::end(hists), [](auto& h1, auto& h2){ return h1->Integral() < h2->Integral() ; } );
-  double total = std::accumulate( std::begin(hists), std::end(hists), 0.0, [](double& t, auto& h){ return t + h->Integral() ; } ); 
+  double total = std::accumulate( std::begin(hists), std::end(hists), 0.0, [](const double& t, const auto& h){ return t + h->Integral() ; } ); 
 
   if( norm_sum != -1 )
   {