From a45aaa4ac10d5d92c1420d564a5c3d0e9a9e73d7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Agust=C3=ADn=20Borgna?= <agustinborgna@gmail.com>
Date: Tue, 26 Jul 2022 21:07:34 +0200
Subject: [PATCH] Apply suggestions from code review

---
 src/algo/isomorphism.rs | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/algo/isomorphism.rs b/src/algo/isomorphism.rs
index b96b72de7..8dc7417f8 100644
--- a/src/algo/isomorphism.rs
+++ b/src/algo/isomorphism.rs
@@ -763,11 +763,6 @@ mod matching {
             // number of nodes in graph 1. n! values fit into a 64-bit usize up
             // to n = 20, so we don't estimate an upper limit for n > 20.
             let n = self.st.0.graph.node_count();
-            const MAX_N: usize = 20;
-
-            if n > MAX_N {
-                return (0, None);
-            }
 
             // We hardcode n! values into an array that accounts for architectures
             // with smaller usizes to get our upper bound.
@@ -798,6 +793,10 @@ mod matching {
             .map(|n| usize::try_from(*n).ok())
             .collect();
 
+            if n > upper_bounds.len() {
+                return (0, None);
+            }
+            
             (0, upper_bounds[n])
         }
     }