From cbbcfd2335a02654acd333f5ff89302586960720 Mon Sep 17 00:00:00 2001
From: John Bowman <bowman@ualberta.ca>
Date: Fri, 15 Nov 2024 10:41:35 -0800
Subject: [PATCH] Fix #493: qualify fpclassify namespace.

---
 glrender.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/glrender.cc b/glrender.cc
index e35d34c4b..d6da53141 100644
--- glrender.cc
+++ glrender.cc
@@ -1933,7 +1933,7 @@ void glrender(GLRenderArgs const& args, int oldpid)
 {
   Iconify=getSetting<bool>("iconify");
 
-  auto zoomVal = fpclassify(args.zoom) == FP_NORMAL ? args.zoom : 1.0;
+  auto zoomVal=std::fpclassify(args.zoom) == FP_NORMAL ? args.zoom : 1.0;
 
   Prefix=args.prefix;
   Picture=args.pic;