From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Sun, 6 Mar 2022 22:50:21 +0000 (-0800)
Subject: topfish compute_densities: rephrase an open coded 'hypot'
X-Git-Tag: 4.0.0~185^2~13
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=d0cc8d3a5cfb2d8b35d1fb146f6cc913e7ba05de;p=graphviz

topfish compute_densities: rephrase an open coded 'hypot'
---

diff --git a/lib/topfish/rescale_layout.c b/lib/topfish/rescale_layout.c
index fe5165a68..30c763e1f 100644
--- a/lib/topfish/rescale_layout.c
+++ b/lib/topfish/rescale_layout.c
@@ -44,9 +44,7 @@ static double *compute_densities(v_data * graph, int n, double *x,
 	sum = 0;
 	for (j = 1; j < graph[i].nedges; j++) {
 	    neighbor = graph[i].edges[j];
-	    sum +=
-		sqrt((x[i] - x[neighbor]) * (x[i] - x[neighbor]) +
-		     (y[i] - y[neighbor]) * (y[i] - y[neighbor]));
+	    sum += hypot(x[i] - x[neighbor], y[i] - y[neighbor]);
 	}
 	densities[i] = sum / graph[i].nedges;
     }