+static void
+categoricals_dump (const struct categoricals *cat)
+{
+ if (CATEGORICALS_DEBUG)
+ {
+ int i;
+
+ printf ("df to interaction map:\n");
+ for (i = 0; i < cat->df_sum; ++i)
+ printf (" %d", cat->df_to_iact[i]);
+ printf ("\n");
+
+ printf ("Category to interaction map:\n");
+ for (i = 0; i < cat->n_cats_total; ++i)
+ printf (" %d", cat->cat_to_iact[i]);
+ printf ("\n");
+
+ printf ("Number of interactions %zu\n", cat->n_iap);
+ for (i = 0 ; i < cat->n_iap; ++i)
+ {
+ int v;
+ struct string str;
+ const struct interact_params *iap = &cat->iap[i];
+ const struct interaction *iact = iap->iact;
+
+ ds_init_empty (&str);
+ interaction_to_string (iact, &str);
+
+ printf ("\nInteraction: \"%s\" (number of categories: %d); ", ds_cstr (&str), iap->n_cats);
+ ds_destroy (&str);
+ printf ("Base index (df/categories): %d/%d\n", iap->base_df, iap->base_cats);
+
+ printf ("\t(");
+ for (v = 0; v < hmap_count (&iap->ivmap); ++v)
+ {
+ int vv;
+ const struct interaction_value *iv = iap->ivs[v];
+
+ if (v > 0) printf (" ");
+ printf ("{");
+ for (vv = 0; vv < iact->n_vars; ++vv)
+ {
+ const struct variable *var = iact->vars[vv];
+ const union value *val = case_data (iv->ccase, var);
+ struct variable_node *vn = iap->varnodes[vv];
+ const int width = var_get_width (var);
+ unsigned int valhash = value_hash (val, width, 0);
+ struct value_node *valn = lookup_value (&vn->valmap, val, valhash, width);
+
+ assert (vn->var == var);
+
+ printf ("%.*g(%d)", DBL_DIG + 1, val->f, valn->index);
+ if (vv < iact->n_vars - 1)
+ printf (", ");
+ }
+ printf ("}");
+ }
+ printf (")\n");
+ }
+ }
+}
+