| 1 | //===-- Implementation of roundf16 function -------------------------------===// |
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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 "src/math/roundf16.h" |
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| 10 | #include "src/__support/FPUtil/NearestIntegerOperations.h" |
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| 11 | #include "src/__support/FPUtil/cast.h" |
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| 12 | #include "src/__support/common.h" |
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| 13 | #include "src/__support/macros/config.h" |
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| 14 | #include "src/__support/macros/properties/cpu_features.h" |
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| 15 | |
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| 16 | namespace LIBC_NAMESPACE_DECL { |
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| 17 | |
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| 18 | LLVM_LIBC_FUNCTION(float16, roundf16, (float16 x)) { |
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| 19 | #if defined(__LIBC_USE_BUILTIN_ROUND) && \ |
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| 20 | defined(LIBC_TARGET_CPU_HAS_FAST_FLOAT16_OPS) |
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| 21 | return fputil::cast<float16>(__builtin_roundf(x)); |
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| 22 | #else |
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| 23 | return fputil::round(x); |
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| 24 | #endif |
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| 25 | } |
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| 26 | |
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| 27 | } // namespace LIBC_NAMESPACE_DECL |
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| 28 | |
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