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From e5b42317078a1dbbf7ef9f1431ef6dcb711c7026 Mon Sep 17 00:00:00 2001
From: Aiden Grossman <agrossman154@yahoo.com>
Date: Mon, 10 Jul 2023 17:59:18 -0700
Subject: [PATCH] Change register long to long to fix compile error

When using -std=c++17, using register long will throw an error. This
patch switches all instances of register long to long to fix this.
---
 src/libnurbs/internals/varray.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/libnurbs/internals/varray.cc b/src/libnurbs/internals/varray.cc
index 1cb2354..41b3b18 100644
--- a/src/libnurbs/internals/varray.cc
+++ b/src/libnurbs/internals/varray.cc
@@ -73,8 +73,8 @@ Varray::~Varray( void )
 inline void
 Varray::update( Arc_ptr arc, long dir[2], REAL val )
 {
-    register long ds = sgn(arc->tail()[0] - arc->prev->tail()[0]);
-    register long dt = sgn(arc->tail()[1] - arc->prev->tail()[1]);
+    long ds = sgn(arc->tail()[0] - arc->prev->tail()[0]);
+    long dt = sgn(arc->tail()[1] - arc->prev->tail()[1]);

     if( dir[0] != ds || dir[1] != dt ) {
 	dir[0] = ds;
--
2.29.1