| 1 | //===-- runtime/Float128Math/scale.cpp ------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "math-entries.h" |
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| 10 | #include "numeric-template-specs.h" |
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| 11 | #include <limits> |
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| 12 | |
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| 13 | namespace Fortran::runtime { |
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| 14 | extern "C" { |
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| 15 | |
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| 16 | #if LDBL_MANT_DIG == 113 || HAS_FLOAT128 |
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| 17 | F128Type RTDEF(Scale16)(F128Type x, std::int64_t p) { |
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| 18 | auto ip{static_cast<int>(p)}; |
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| 19 | if (ip != p) { |
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| 20 | ip = p < 0 ? std::numeric_limits<int>::min() |
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| 21 | : std::numeric_limits<int>::max(); |
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| 22 | } |
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| 23 | return LDEXPTy<F128Type>::compute(x, ip); |
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| 24 | } |
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| 25 | #endif |
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| 26 | |
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| 27 | } // extern "C" |
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| 28 | } // namespace Fortran::runtime |
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| 29 | |
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