26 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8 9// <ctgmath> // deprecated in C++17, removed in C++20, but still provided by libc++ as an extension10 11// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS12 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 warning23 24 return 0;25}26