From 04be8e84db1cf4f8b2a7bc7679eda4336da75d43 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Fri, 27 Aug 2021 10:52:02 +0900
Subject: Use C99-defined macros to classify a floating-point number

---
 include/ruby/win32.h | 10 ----------
 1 file changed, 10 deletions(-)

(limited to 'include/ruby/win32.h')

diff --git a/include/ruby/win32.h b/include/ruby/win32.h
index 4978655e3c..c8ae599f2f 100644
--- a/include/ruby/win32.h
+++ b/include/ruby/win32.h
@@ -343,14 +343,6 @@ rb_infinity_float(void)
 #endif
 
 #if !defined __MINGW32__ || defined __NO_ISOCEXT
-#ifndef isnan
-#define isnan(x) _isnan(x)
-#endif
-static inline int
-finite(double x)
-{
-    return _finite(x);
-}
 #ifndef copysign
 #define copysign(a, b) _copysign(a, b)
 #endif
@@ -359,8 +351,6 @@ scalb(double a, long b)
 {
     return _scalb(a, b);
 }
-#else
-__declspec(dllimport) extern int finite(double);
 #endif
 
 #if !defined S_IFIFO && defined _S_IFIFO
-- 
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