inference.blockmodel: Fix issue with ignore_degrees

src/graph/inference/graph_blockmodel.hh

@@ -90,6 +90,7 @@ enum weight_type
     ((alpha,, double, 0))                                                      \
     ((beta,, double, 0))                                                       \
     ((ignore_degrees,, typename vprop_map_t<uint8_t>::type, 0))                \
+    ((bignore_degrees,, typename vprop_map_t<uint8_t>::type, 0))               \
     ((allow_empty,, bool, 0))
 
 GEN_STATE_BASE(BlockStateBase, BLOCK_STATE_params)
@@ -1471,7 +1472,7 @@ public:
         case weight_type::DELTA_T: // waiting times
             for (auto r : vertices_range(_bg))
             {
-                if (_brecsum[r] > 0)
+                if (_bignore_degrees[r] > 0)
                     S += -positive_w_log_P(_mrp[r], _brecsum[r], _alpha, _beta);
             }
             break;

src/graph_tool/inference/blockmodel.py

@@ -363,10 +363,11 @@ class BlockState(object):
         if self.rec_type == libinference.rec_type.delta_t: # waiting times
             self.brecsum = self.bg.degree_property_map("out", self.brec)
             mem = self.ignore_degrees.copy()
-            bmem = self.get_bclabel(clabel=mem)
-            self.brecsum.a[bmem.a == 0] = 0
+            self.bignore_degrees = self.get_bclabel(clabel=mem).copy("bool")
+            self.brecsum.a[self.bignore_degrees.a == 0] = 0
         else:
             self.brecsum = self.bg.new_vp("double")
+            self.bignore_degrees = self.bg.new_vp("bool")
 
         self.rec_params = dict(m0=self.rec.fa.mean(), k0=1,
                                v0=self.rec.fa.std() ** 2, nu0=3)