From 30634165980deaeead9f4e71e0ff6a5c9d897776 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Mon, 14 Jul 2025 22:39:34 -0400
Subject: usr: libc: Add math.h + musl math impl port

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 lib/libc/src/musl-math/scalblnl.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 lib/libc/src/musl-math/scalblnl.c

(limited to 'lib/libc/src/musl-math/scalblnl.c')

diff --git a/lib/libc/src/musl-math/scalblnl.c b/lib/libc/src/musl-math/scalblnl.c
new file mode 100644
index 0000000..b1a0f7f
--- /dev/null
+++ b/lib/libc/src/musl-math/scalblnl.c
@@ -0,0 +1,20 @@
+#include <limits.h>
+#include <math.h>
+#include <float.h>
+#include "libm.h"
+
+#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
+long double scalblnl(long double x, long n)
+{
+	return scalbln(x, n);
+}
+#else
+long double scalblnl(long double x, long n)
+{
+	if (n > INT_MAX)
+		n = INT_MAX;
+	else if (n < INT_MIN)
+		n = INT_MIN;
+	return scalbnl(x, n);
+}
+#endif
-- 
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