[libc-commits] [libc] [libc][math] Implement an integer-only version of double precision sin and cos with 1 ULP errors. (PR #184752)

Muhammad Bassiouni via libc-commits libc-commits at lists.llvm.org
Mon Mar 9 19:38:49 PDT 2026


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@@ -0,0 +1,60 @@
+//===-- 128-bit unsigned fractional type -------------------*- 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_FRAC128_H
+#define LLVM_LIBC_SRC___SUPPORT_FRAC128_H
+
+#include "big_int.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+struct Frac128 : public UInt<128> {
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bassiounix wrote:

Shouldn't we inline the methods in here?

https://github.com/llvm/llvm-project/pull/184752


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