From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Fri, 18 Jun 2021 01:19:29 +0000 (-0700)
Subject: replace some open coded hypotenuse calculations in applyAttr with calls to hypot
X-Git-Tag: 2.48.0~43^2~6
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=96ceb61588e3e267032fd349a9ee86f60583c6cc;p=graphviz

replace some open coded hypotenuse calculations in applyAttr with calls to hypot

Similar to the previous commits.
---

diff --git a/lib/fdpgen/xlayout.c b/lib/fdpgen/xlayout.c
index fe784a766..adb301f7c 100644
--- a/lib/fdpgen/xlayout.c
+++ b/lib/fdpgen/xlayout.c
@@ -338,12 +338,12 @@ static void applyAttr(Agnode_t * p, Agnode_t * q)
 	return;
     xdelta = ND_pos(q)[0] - ND_pos(p)[0];
     ydelta = ND_pos(q)[1] - ND_pos(p)[1];
-    dist = sqrt(xdelta * xdelta + ydelta * ydelta);
+    dist = hypot(xdelta, ydelta);
     force = (dout * dout) / (X_K * dist);
 #elif defined(ALT)
     xdelta = ND_pos(q)[0] - ND_pos(p)[0];
     ydelta = ND_pos(q)[1] - ND_pos(p)[1];
-    dist = sqrt(xdelta * xdelta + ydelta * ydelta);
+    dist = hypot(xdelta, ydelta);
     din = RAD(p) + RAD(q);
     if (dist < X_K + din)
 	return;
@@ -361,7 +361,7 @@ static void applyAttr(Agnode_t * p, Agnode_t * q)
     }
     xdelta = ND_pos(q)[0] - ND_pos(p)[0];
     ydelta = ND_pos(q)[1] - ND_pos(p)[1];
-    dist = sqrt(xdelta * xdelta + ydelta * ydelta);
+    dist = hypot(xdelta, ydelta);
     din = RAD(p) + RAD(q);
     dout = dist - din;
     force = dout * dout / ((X_K + din) * dist);