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69 lines
1.5 KiB
C
69 lines
1.5 KiB
C
//===-- Definition of macros from fenv.h ----------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIBC_HDR_FENV_MACROS_H
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#define LLVM_LIBC_HDR_FENV_MACROS_H
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#ifdef LIBC_FULL_BUILD
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#include "include/llvm-libc-macros/fenv-macros.h"
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#else // Overlay mode
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#include <fenv.h>
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// In some environment, FE_ALL_EXCEPT is set to 0 and the remaining exceptions
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// FE_* are missing.
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#if (FE_ALL_EXCEPT == 0)
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#ifndef FE_DIVBYZERO
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#define FE_DIVBYZERO 0
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#endif // FE_DIVBYZERO
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#ifndef FE_INEXACT
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#define FE_INEXACT 0
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#endif // FE_INEXACT
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#ifndef FE_INVALID
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#define FE_INVALID 0
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#endif // FE_INVALID
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#ifndef FE_OVERFLOW
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#define FE_OVERFLOW 0
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#endif // FE_OVERFLOW
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#ifndef FE_UNDERFLOW
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#define FE_UNDERFLOW 0
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#endif // FE_UNDERFLOW
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#else
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// If this is not provided by the system, define it for use internally.
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#ifndef __FE_DENORM
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#define __FE_DENORM (1 << 6)
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#endif
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#endif
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// Rounding mode macros might be missing.
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#ifndef FE_DOWNWARD
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#define FE_DOWNWARD 0x400
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#endif // FE_DOWNWARD
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#ifndef FE_TONEAREST
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#define FE_TONEAREST 0
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#endif // FE_TONEAREST
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#ifndef FE_TOWARDZERO
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#define FE_TOWARDZERO 0xC00
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#endif // FE_TOWARDZERO
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#ifndef FE_UPWARD
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#define FE_UPWARD 0x800
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#endif // FE_UPWARD
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#endif // LLVM_LIBC_FULL_BUILD
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#endif // LLVM_LIBC_HDR_FENV_MACROS_H
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