From 4abab5ad6c8465a7528ccdd5f49367da05f78bbd Mon Sep 17 00:00:00 2001
From: Vladimir Azarov <avm@intermediate-node.net>
Date: Tue, 1 Oct 2024 15:47:05 +0200
Subject: Initial version

---
 src/math/logbf.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 src/math/logbf.c

(limited to 'src/math/logbf.c')

diff --git a/src/math/logbf.c b/src/math/logbf.c
new file mode 100644
index 0000000..a0a0b5e
--- /dev/null
+++ b/src/math/logbf.c
@@ -0,0 +1,10 @@
+#include <math.h>
+
+float logbf(float x)
+{
+	if (!isfinite(x))
+		return x * x;
+	if (x == 0)
+		return -1/(x*x);
+	return ilogbf(x);
+}
-- 
cgit v1.2.3