From 885f5974cdf65b59415837ae97f5a14ef1350670 Mon Sep 17 00:00:00 2001
From: Kacper <kacper@mail.openlinux.dev>
Date: Tue, 9 Dec 2025 19:20:15 +0100
Subject: feat: add gzip and new headers

---
 lib/libm/__fpclassify.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 lib/libm/__fpclassify.c

(limited to 'lib/libm/__fpclassify.c')

diff --git a/lib/libm/__fpclassify.c b/lib/libm/__fpclassify.c
new file mode 100644
index 00000000..41332adf
--- /dev/null
+++ b/lib/libm/__fpclassify.c
@@ -0,0 +1,16 @@
+#include <math.h>
+#include <stdint.h>
+
+int __fpclassify(double x)
+{
+	union {
+		double f;
+		uint64_t i;
+	} u = { x };
+	int e = u.i >> 52 & 0x7ff;
+	if (!e)
+		return u.i << 1 ? FP_SUBNORMAL : FP_ZERO;
+	if (e == 0x7ff)
+		return u.i << 12 ? FP_NAN : FP_INFINITE;
+	return FP_NORMAL;
+}
-- 
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