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49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
//===-- Definition of macros from math.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_MATH_MACROS_H
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#define LLVM_LIBC_HDR_MATH_MACROS_H
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#ifdef LIBC_FULL_BUILD
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#include "include/llvm-libc-macros/math-macros.h"
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#else // Overlay mode
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// GCC will include CXX headers when __cplusplus is defined. This behavior
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// can be suppressed by defining _GLIBCXX_INCLUDE_NEXT_C_HEADERS.
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#if defined(__GNUC__) && !defined(__clang__)
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#define _GLIBCXX_INCLUDE_NEXT_C_HEADERS
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#endif
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#include <math.h>
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// Some older math.h header does not have FP_INT_* constants yet.
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#ifndef FP_INT_UPWARD
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#define FP_INT_UPWARD 0
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#endif // FP_INT_UPWARD
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#ifndef FP_INT_DOWNWARD
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#define FP_INT_DOWNWARD 1
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#endif // FP_INT_DOWNWARD
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#ifndef FP_INT_TOWARDZERO
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#define FP_INT_TOWARDZERO 2
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#endif // FP_INT_TOWARDZERO
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#ifndef FP_INT_TONEARESTFROMZERO
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#define FP_INT_TONEARESTFROMZERO 3
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#endif // FP_INT_TONEARESTFROMZERO
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#ifndef FP_INT_TONEAREST
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#define FP_INT_TONEAREST 4
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#endif // FP_INT_TONEAREST
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#endif // LLVM_LIBC_FULL_BUILD
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#endif // LLVM_LIBC_HDR_MATH_MACROS_H
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