From bd5969fc876a10b18613302db7087ef3c40f18e1 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Thu, 7 Mar 2024 17:28:00 -0500
Subject: lib: Add mlibc

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 lib/mlibc/options/ansi/musl-generic-math/nearbyintf.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 lib/mlibc/options/ansi/musl-generic-math/nearbyintf.c

(limited to 'lib/mlibc/options/ansi/musl-generic-math/nearbyintf.c')

diff --git a/lib/mlibc/options/ansi/musl-generic-math/nearbyintf.c b/lib/mlibc/options/ansi/musl-generic-math/nearbyintf.c
new file mode 100644
index 0000000..092e9ff
--- /dev/null
+++ b/lib/mlibc/options/ansi/musl-generic-math/nearbyintf.c
@@ -0,0 +1,18 @@
+#include <fenv.h>
+#include <math.h>
+
+float nearbyintf(float x)
+{
+#ifdef FE_INEXACT
+	#pragma STDC FENV_ACCESS ON
+	int e;
+
+	e = fetestexcept(FE_INEXACT);
+#endif
+	x = rintf(x);
+#ifdef FE_INEXACT
+	if (!e)
+		feclearexcept(FE_INEXACT);
+#endif
+	return x;
+}
-- 
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