| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| /// |
| /// \file |
| /// This file contains the implementation of carg. |
| /// |
| //===----------------------------------------------------------------------===// |
| |
| #include "src/complex/carg.h" |
| #include "src/__support/CPP/bit.h" |
| #include "src/__support/common.h" |
| #include "src/__support/complex_type.h" |
| #include "src/__support/math/atan2.h" |
| |
| namespace LIBC_NAMESPACE_DECL { |
| |
| LLVM_LIBC_FUNCTION(double, carg, (_Complex double x)) { |
| Complex<double> x_c = cpp::bit_cast<Complex<double>>(x); |
| return math::atan2(x_c.imag, x_c.real); |
| } |
| |
| } // namespace LIBC_NAMESPACE_DECL |
