From 94d26d2b524be271614eec6e1db3b90e974753e3 Mon Sep 17 00:00:00 2001
From: Harald Csaszar <harald.csaszar@pixelcloudgames.com>
Date: Wed, 7 Aug 2024 16:33:17 +0200
Subject: [PATCH] [csharp] Minor: port of commit 877e705, moved common
 subexpression part out. See commit b17595d.

---
 spine-csharp/src/IkConstraint.cs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/spine-csharp/src/IkConstraint.cs b/spine-csharp/src/IkConstraint.cs
index e8a72c8f9..66c3dcb58 100644
--- a/spine-csharp/src/IkConstraint.cs
+++ b/spine-csharp/src/IkConstraint.cs
@@ -328,8 +328,9 @@ namespace Spine {
 					q = -(c1 + q) * 0.5f;
 					float r0 = q / c2, r1 = c / q;
 					float r = Math.Abs(r0) < Math.Abs(r1) ? r0 : r1;
-					if (dd - r * r >= 0) {
-						y = (float)Math.Sqrt(dd - r * r) * bendDir;
+					r0 = dd - r * r;
+					if (r0 >= 0) {
+						y = (float)Math.Sqrt(r0) * bendDir;
 						a1 = ta - (float)Math.Atan2(y, r);
 						a2 = (float)Math.Atan2(y / psy, (r - l1) / psx);
 						goto break_outer; // break outer;