From 8c4274ed74b997137f48843ad08689bfac868baf Mon Sep 17 00:00:00 2001
From: Christopher Schwan <handgranaten-herbert@posteo.de>
Date: Tue, 18 Oct 2022 14:37:36 +0200
Subject: [PATCH] Add missing to gluon exception

---
 pineappl/src/evolution.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pineappl/src/evolution.rs b/pineappl/src/evolution.rs
index 48250915..857ab2c6 100644
--- a/pineappl/src/evolution.rs
+++ b/pineappl/src/evolution.rs
@@ -83,7 +83,11 @@ pub(crate) fn pids(
                 .slice(s![.., pid1_idx, .., pid0_idx, ..])
                 .iter()
                 .any(|&value| value != 0.0)
-                && pid1_nonzero(info.pids1[pid1_idx])
+                && pid1_nonzero(if gluon_has_pid_zero && info.pids1[pid1_idx] == 21 {
+                    0
+                } else {
+                    info.pids1[pid1_idx]
+                })
         })
         .collect();