[libc-commits] [libc] [llvm] [libc][math] Refactor f16sqrtf128 to Header Only. (PR #175829)

[via libc-commits]

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@@ -0,0 +1,33 @@
+//===-- Implementation header for f16sqrtf128 -------------------*- C++ -*-===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_SRC___SUPPORT_MATH_F16SQRTF128_H
+#define LLVM_LIBC_SRC___SUPPORT_MATH_F16SQRTF128_H
+
+#include "include/llvm-libc-types/float128.h"
+
+#ifdef LIBC_TYPES_HAS_FLOAT128
+
+#include "src/__support/FPUtil/sqrt.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+namespace math {
+
+LLVM_LIBC_FUNCTION(float16, f16sqrtf128, (float128 x)) {
+  return fputil::sqrt<float16>(x);
+}
+
+} // namespace math
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif
+
+#endif
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AnonMiraj wrote:

This should include guards for both float16 and float128, so make sure to add the float16 one as well.
Also, ensure that each `#endif` has a trailing comment indicating the corresponding flag.

You can see to the other files in `_support` for reference.

https://github.com/llvm/llvm-project/pull/175829