| 1 | //===-- lib/quadmath/scale.cpp ----------------------------------*- C++ -*-===// |
| 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 "math-entries.h" |
| 10 | #include "numeric-template-specs.h" |
| 11 | #include <limits> |
| 12 | |
| 13 | namespace Fortran::runtime { |
| 14 | extern "C" { |
| 15 | |
| 16 | #if HAS_LDBL128 || HAS_FLOAT128 |
| 17 | F128Type RTDEF(Scale16)(F128Type x, std::int64_t p) { |
| 18 | auto ip{static_cast<int>(p)}; |
| 19 | if (ip != p) { |
| 20 | ip = p < 0 ? std::numeric_limits<int>::min() |
| 21 | : std::numeric_limits<int>::max(); |
| 22 | } |
| 23 | return LDEXPTy<F128Type>::compute(x, ip); |
| 24 | } |
| 25 | #endif |
| 26 | |
| 27 | } // extern "C" |
| 28 | } // namespace Fortran::runtime |
| 29 | |