From bfdd58d55e7c22ded26d39438dd807ffe1afc923 Mon Sep 17 00:00:00 2001
From: Joaquim <jmfluis@gmail.com>
Date: Wed, 20 Nov 2024 14:02:53 +0000
Subject: [PATCH] Apprently new VS headers (or other Win .h) drop "#define
 NAN". (#8627)
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* Apprently new VS headers (or other Win .h) drop "#define NAN".

This PR defines it when it«s not found (Windows only)

* Since NAN is handled in gmt_notposix.h, move the new definition to that file.
---
 src/gmt_notposix.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/gmt_notposix.h b/src/gmt_notposix.h
index 586c88d1365..570bdb9f612 100644
--- a/src/gmt_notposix.h
+++ b/src/gmt_notposix.h
@@ -331,8 +331,8 @@
 
 #ifndef NAN
 #	ifdef _MSC_VER
-#		include <ymath.h>
-#		define NAN _Nan._Double
+		static const double _NAN = (-(float)(((float)(1e+300 * 1e+300)) * 0.0F));
+#		define NAN _NAN
 #	else /* _MSC_VER */
 		static const double _NAN = (HUGE_VAL-HUGE_VAL);
 #		define NAN _NAN