| //===-- Implementation of nan function ------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "src/math/nan.h" |
| #include "src/__support/common.h" |
| #include "src/__support/str_to_float.h" |
| #include "src/errno/libc_errno.h" |
| |
| namespace LIBC_NAMESPACE { |
| |
| LLVM_LIBC_FUNCTION(double, nan, (const char *arg)) { |
| auto result = internal::strtonan<double>(arg); |
| if (result.has_error()) |
| libc_errno = result.error; |
| return result.value; |
| } |
| |
| } // namespace LIBC_NAMESPACE |
