From bbc7a7338c9ce1927cfb010e1dc3740091de7af7 Mon Sep 17 00:00:00 2001
From: apio <blobs.trading@gmail.com>
Date: Wed, 9 Nov 2022 11:36:52 +0100
Subject: [PATCH] libc: Add fpclassify

---
 libs/libc/include/math.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/libs/libc/include/math.h b/libs/libc/include/math.h
index b14fff0a..ced52044 100644
--- a/libs/libc/include/math.h
+++ b/libs/libc/include/math.h
@@ -4,6 +4,13 @@
 typedef float float_t;
 typedef double double_t;
 
+#define FP_NAN 0
+#define FP_INFINITE 1
+#define FP_ZERO 2
+#define FP_SUBNORMAL 3
+#define FP_NORMAL 4
+#define fpclassify(x) __builtin_fpclassify(FP_NAN, FP_INFINITE, FP_ZERO, FP_SUBNORMAL, FP_ZERO, x)
+
 #ifdef __cplusplus
 extern "C"
 {