Fix compilation errors with clang

src/graph/inference/graph_blockmodel_util.hh

@@ -126,9 +126,9 @@ auto get_degs(size_t v, Vprop& vweight, Eprop& eweight, const simple_degs_t&,
               Graph& g)
 {
     std::array<std::tuple<size_t, size_t, size_t>, 1>
-        degs {{make_tuple(in_degreeS()(v, g, eweight),
-                          out_degreeS()(v, g, eweight),
-                          vweight[v])}};
+        degs {{make_tuple(size_t(in_degreeS()(v, g, eweight)),
+                          size_t(out_degreeS()(v, g, eweight)),
+                          size_t(vweight[v]))}};
     return degs;
 }
 

src/graph/inference/merge_loop.hh

@@ -49,7 +49,7 @@ auto merge_sweep(MergeState state, RNG& rng_)
     std::vector<merge_t>
         best_merge(*std::max_element(state._available.begin(),
                                      state._available.end()) + 1,
-                   make_tuple(0, 0,
+                   make_tuple(size_t(0), size_t(0),
                               numeric_limits<double>::max()));
 
     #pragma omp parallel firstprivate(state) if (state._parallel)