1 //===-- Implementation of creal 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/complex/creal.h" 10 #include "src/__support/CPP/bit.h" 11 #include "src/__support/common.h" 12 #include "src/__support/complex_type.h" 13 14 namespace LIBC_NAMESPACE_DECL { 15 16 LLVM_LIBC_FUNCTION(double, creal, (_Complex double x)) { 17 Complex<double> x_c = cpp::bit_cast<Complex<double>>(x); 18 return x_c.real; 19 } 20 21 } // namespace LIBC_NAMESPACE_DECL 22