From 3077c664aefb9edf5319f0d43ff479936f7611d1 Mon Sep 17 00:00:00 2001
From: x <powturbo@gmail.com>
Date: Wed, 7 Jun 2023 15:13:10 +0200
Subject: [PATCH] TurboPFor: Integer Compression c/c++ header

---
 include/ic.h | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/include/ic.h b/include/ic.h
index 108c101..fe4727c 100644
--- a/include/ic.h
+++ b/include/ic.h
@@ -539,7 +539,14 @@ void bitzdec(unsigned char *in, unsigned n,                     unsigned esize);
 
 //------- Lossy floating point transform: pad the trailing mantissa bits with zeros according to the error e (ex. e=0.00001)
 // must include float.h to use _Float16 (see icapp.c)
- #if defined(FLT16_MAX) 
+#if defined(__clang__) && defined(__is_identifier)
+  #if !__is_identifier(_Float16)
+    #undef FLT16_BUILTIN
+  #endif
+#elif defined(FLT16_MAX)
+#define FLT16_BUILTIN
+#endif
+ #ifdef FLT16_BUILTIN
 _Float16 _fprazor16(_Float16 d, float e, int lg2e);  
 void fprazor16(_Float16 *in, unsigned n, _Float16  *out, float  e);
   #endif