From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Mon, 2 Jan 2023 00:14:33 +0000 (-0800)
Subject: sparse Multilevel_Modularity_Clustering_init: rephrase 'deg_total' clamping
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=daf1967114682b1b9311648700e34d6465cb3f69;p=graphviz

sparse Multilevel_Modularity_Clustering_init: rephrase 'deg_total' clamping

Squashes a -Wfloat-equal warning.
---

diff --git a/lib/sparse/clustering.c b/lib/sparse/clustering.c
index 94902f136..c3cd6618c 100644
--- a/lib/sparse/clustering.c
+++ b/lib/sparse/clustering.c
@@ -9,6 +9,7 @@
  *************************************************************************/
 
 #define STANDALONE
+#include <math.h>
 #include <sparse/general.h>
 #include <sparse/SparseMatrix.h>
 #include <sparse/clustering.h>
@@ -58,7 +59,7 @@ static Multilevel_Modularity_Clustering Multilevel_Modularity_Clustering_init(Sp
       }
       deg_total += deg[i];
     }
-    if (deg_total == 0) deg_total = 1;
+    deg_total = fmax(deg_total, 1);
     for (i = 0; i < n; i++){
       modularity += (indeg[i] - deg[i]*deg[i]/deg_total)/deg_total;
     }