[libc-commits] [libc] [llvm] [libc][math] Add tgammabf16 math support for bfloat16. (PR #208689)

[via libc-commits]

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+//===-- Implementation header for tgammabf16 --------------------*- 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_TGAMMABF16_H
+#define LLVM_LIBC_SRC___SUPPORT_MATH_TGAMMABF16_H
+
+#include "hdr/errno_macros.h"
+#include "hdr/fenv_macros.h"
+#include "src/__support/FPUtil/FEnvImpl.h"
+#include "src/__support/FPUtil/FPBits.h"
+#include "src/__support/FPUtil/bfloat16.h"
+#include "src/__support/FPUtil/cast.h"
+#include "src/__support/FPUtil/multiply_add.h"
+#include "src/__support/macros/config.h"
+#include "src/__support/macros/optimization.h"
+#include "src/__support/math/exp.h"
+#include "src/__support/math/log.h"
+#include "src/__support/math/sin.h"
+
+namespace LIBC_NAMESPACE_DECL {
+namespace math {
+
+namespace tgammabf16_internal {
+
+LIBC_INLINE_VAR constexpr double PI = 0x1.921fb54442d18p+1;
+LIBC_INLINE_VAR constexpr double LOG_SQRT_2_PI = 0x1.d67f1c864beb5p-1;
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Sukumarsawant wrote:

Can add the sollya command or any code used to generate such things.

https://github.com/llvm/llvm-project/pull/208689