1 files changed, 19 insertions, 0 deletions
diff --git a/libc/src/math/generic/llogbf16.cpp b/libc/src/math/generic/llogbf16.cpp
new file mode 100644
index 000000000000..b7a21b95604d
--- /dev/null
+++ b/libc/src/math/generic/llogbf16.cpp
@@ -0,0 +1,19 @@
+//===-- Implementation of llogbf16 function -------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "src/math/llogbf16.h"
+#include "src/__support/FPUtil/ManipulationFunctions.h"
+#include "src/__support/common.h"
+
+namespace LIBC_NAMESPACE {
+
+LLVM_LIBC_FUNCTION(long, llogbf16, (float16 x)) {
+  return fputil::intlogb<long>(x);
+}
+
+} // namespace LIBC_NAMESPACE