From 08363ebde24c58d0a8ea69f42ee6d72dd67e1c56 Mon Sep 17 00:00:00 2001
From: cxl <cxl@f0d560ea-af0d-0410-9eb7-867de7ffcac7>
Date: Mon, 14 Dec 2020 09:30:33 +0000
Subject: [PATCH] Core: double NAN and INF are now IsNull

git-svn-id: svn://ultimatepp.org/upp/trunk@15592 f0d560ea-af0d-0410-9eb7-867de7ffcac7
---
 uppsrc/Core/Defs.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/uppsrc/Core/Defs.h b/uppsrc/Core/Defs.h
index 4b03df0a0..a31cdd18c 100644
--- a/uppsrc/Core/Defs.h
+++ b/uppsrc/Core/Defs.h
@@ -278,7 +278,7 @@ template <class T> bool IsNull(const T& x)       { return x.IsNullInstance(); }
 
 template<> inline bool  IsNull(const int& i)     { return i == INT_NULL; }
 template<> inline bool  IsNull(const int64& i)   { return i == INT64_NULL; }
-template<> inline bool  IsNull(const double& r)  { return r < DOUBLE_NULL_LIM; }
+template<> inline bool  IsNull(const double& r)  { return !(abs(r) < -DOUBLE_NULL); }
 template<> inline bool  IsNull(const bool& r  )  { return false; }
 
 #include "Heap.h"