1//===----------------------------------------------------------------------===//
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// <ctgmath> // deprecated in C++17, removed in C++20, but still provided by libc++ as an extension
10
11// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS
12
13#include <ctgmath>
14
15#include "test_macros.h"
16
17int main(int, char**)
18{
19 std::complex<double> cd;
20 (void)cd;
21 double x = std::sin(0);
22 ((void)x); // Prevent unused warning
23
24 return 0;
25}
26

source code of libcxx/test/std/numerics/c.math/ctgmath.pass.cpp