From 38de1bf924b7f27aa0d3236e78387ba6e426fbe8 Mon Sep 17 00:00:00 2001
From: krangelov <kr.angelov@gmail.com>
Date: Mon, 27 Sep 2021 14:11:52 +0200
Subject: [PATCH] pgf_category_prob should return INFINITY for non-existant
 categories

---
 src/runtime/c/pgf/pgf.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/runtime/c/pgf/pgf.cxx b/src/runtime/c/pgf/pgf.cxx
index a6b228810..0a6af1cd0 100644
--- a/src/runtime/c/pgf/pgf.cxx
+++ b/src/runtime/c/pgf/pgf.cxx
@@ -361,7 +361,7 @@ prob_t pgf_category_prob(PgfDB *db, PgfRevision revision,
         ref<PgfAbsCat> abscat =
             namespace_lookup(pgf->abstract.cats, catname);
         if (abscat == 0) {
-            return 0;
+            return INFINITY;
         }
 
         return abscat->prob;