From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Sun, 6 Mar 2022 22:58:33 +0000 (-0800)
Subject: pathplan dist_n: rephrase an open coded 'hypot'
X-Git-Tag: 4.0.0~185^2~8
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=a792affa6d99c4e7ec3586b353e9ad62806c0197;p=graphviz

pathplan dist_n: rephrase an open coded 'hypot'
---

diff --git a/lib/pathplan/route.c b/lib/pathplan/route.c
index f41a0d610..7857e2c9b 100644
--- a/lib/pathplan/route.c
+++ b/lib/pathplan/route.c
@@ -196,9 +196,7 @@ static double dist_n(Ppoint_t * p, int n)
 
     rv = 0.0;
     for (i = 1; i < n; i++) {
-	rv +=
-	    sqrt((p[i].x - p[i - 1].x) * (p[i].x - p[i - 1].x) +
-		 (p[i].y - p[i - 1].y) * (p[i].y - p[i - 1].y));
+	rv += hypot(p[i].x - p[i - 1].x, p[i].y - p[i - 1].y);
     }
     return rv;
 }