1//===-- Extended-precision atan2 function ---------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "src/math/atan2l.h"
10#include "src/__support/common.h"
11#include "src/__support/macros/properties/types.h"
12#include "src/math/atan2.h"
13
14namespace LIBC_NAMESPACE_DECL {
15
16// TODO: Implement this for extended precision.
17LLVM_LIBC_FUNCTION(long double, atan2l, (long double y, long double x)) {
18#if defined(LIBC_TYPES_LONG_DOUBLE_IS_FLOAT64)
19 return static_cast<long double>(
20 atan2(static_cast<double>(y), static_cast<double>(x)));
21#else
22#error "Extended precision is not yet supported"
23#endif
24}
25
26} // namespace LIBC_NAMESPACE_DECL
27

source code of libc/src/math/generic/atan2l.cpp