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1//===-- Definition of macros from math.h ----------------------------------===//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-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef LLVM_LIBC_HDR_MATH_MACROS_H10#define LLVM_LIBC_HDR_MATH_MACROS_H11 12#ifdef LIBC_FULL_BUILD13 14#include "include/llvm-libc-macros/math-macros.h"15 16#else // Overlay mode17 18// GCC will include CXX headers when __cplusplus is defined. This behavior19// can be suppressed by defining _GLIBCXX_INCLUDE_NEXT_C_HEADERS.20#if defined(__GNUC__) && !defined(__clang__)21#define _GLIBCXX_INCLUDE_NEXT_C_HEADERS22#endif23#include <math.h>24 25// Some older math.h header does not have FP_INT_* constants yet.26#ifndef FP_INT_UPWARD27#define FP_INT_UPWARD 028#endif // FP_INT_UPWARD29 30#ifndef FP_INT_DOWNWARD31#define FP_INT_DOWNWARD 132#endif // FP_INT_DOWNWARD33 34#ifndef FP_INT_TOWARDZERO35#define FP_INT_TOWARDZERO 236#endif // FP_INT_TOWARDZERO37 38#ifndef FP_INT_TONEARESTFROMZERO39#define FP_INT_TONEARESTFROMZERO 340#endif // FP_INT_TONEARESTFROMZERO41 42#ifndef FP_INT_TONEAREST43#define FP_INT_TONEAREST 444#endif // FP_INT_TONEAREST45 46#endif // LLVM_LIBC_FULL_BUILD47 48#endif // LLVM_LIBC_HDR_MATH_MACROS_H49