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/trunc.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 lib/libm/trunc.c

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

diff --git a/lib/libm/trunc.c b/lib/libm/trunc.c
new file mode 100644
index 00000000..d76f9993
--- /dev/null
+++ b/lib/libm/trunc.c
@@ -0,0 +1,22 @@
+#include "libm.h"
+
+double trunc(double x)
+{
+	union {
+		double f;
+		uint64_t i;
+	} u = { x };
+	int e = (int)(u.i >> 52 & 0x7ff) - 0x3ff + 12;
+	uint64_t m;
+
+	if (e >= 52 + 12)
+		return x;
+	if (e < 12)
+		e = 1;
+	m = -1ULL >> e;
+	if ((u.i & m) == 0)
+		return x;
+	FORCE_EVAL(x + 0x1p120f);
+	u.i &= ~m;
+	return u.f;
+}
-- 
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