xref: /aosp_15_r20/external/llvm-libc/hdr/math_macros.h (revision 71db0c75aadcf003ffe3238005f61d7618a3fead)
1*71db0c75SAndroid Build Coastguard Worker //===-- Definition of macros from math.h ----------------------------------===//
2*71db0c75SAndroid Build Coastguard Worker //
3*71db0c75SAndroid Build Coastguard Worker // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*71db0c75SAndroid Build Coastguard Worker // See https://llvm.org/LICENSE.txt for license information.
5*71db0c75SAndroid Build Coastguard Worker // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*71db0c75SAndroid Build Coastguard Worker //
7*71db0c75SAndroid Build Coastguard Worker //===----------------------------------------------------------------------===//
8*71db0c75SAndroid Build Coastguard Worker 
9*71db0c75SAndroid Build Coastguard Worker #ifndef LLVM_LIBC_HDR_MATH_MACROS_H
10*71db0c75SAndroid Build Coastguard Worker #define LLVM_LIBC_HDR_MATH_MACROS_H
11*71db0c75SAndroid Build Coastguard Worker 
12*71db0c75SAndroid Build Coastguard Worker #ifdef LIBC_FULL_BUILD
13*71db0c75SAndroid Build Coastguard Worker 
14*71db0c75SAndroid Build Coastguard Worker #include "include/llvm-libc-macros/math-macros.h"
15*71db0c75SAndroid Build Coastguard Worker 
16*71db0c75SAndroid Build Coastguard Worker #else // Overlay mode
17*71db0c75SAndroid Build Coastguard Worker 
18*71db0c75SAndroid Build Coastguard Worker // GCC will include CXX headers when __cplusplus is defined. This behavior
19*71db0c75SAndroid Build Coastguard Worker // can be suppressed by defining _GLIBCXX_INCLUDE_NEXT_C_HEADERS.
20*71db0c75SAndroid Build Coastguard Worker #if defined(__GNUC__) && !defined(__clang__)
21*71db0c75SAndroid Build Coastguard Worker #define _GLIBCXX_INCLUDE_NEXT_C_HEADERS
22*71db0c75SAndroid Build Coastguard Worker #endif
23*71db0c75SAndroid Build Coastguard Worker #include <math.h>
24*71db0c75SAndroid Build Coastguard Worker 
25*71db0c75SAndroid Build Coastguard Worker // Some older math.h header does not have FP_INT_* constants yet.
26*71db0c75SAndroid Build Coastguard Worker #ifndef FP_INT_UPWARD
27*71db0c75SAndroid Build Coastguard Worker #define FP_INT_UPWARD 0
28*71db0c75SAndroid Build Coastguard Worker #endif // FP_INT_UPWARD
29*71db0c75SAndroid Build Coastguard Worker 
30*71db0c75SAndroid Build Coastguard Worker #ifndef FP_INT_DOWNWARD
31*71db0c75SAndroid Build Coastguard Worker #define FP_INT_DOWNWARD 1
32*71db0c75SAndroid Build Coastguard Worker #endif // FP_INT_DOWNWARD
33*71db0c75SAndroid Build Coastguard Worker 
34*71db0c75SAndroid Build Coastguard Worker #ifndef FP_INT_TOWARDZERO
35*71db0c75SAndroid Build Coastguard Worker #define FP_INT_TOWARDZERO 2
36*71db0c75SAndroid Build Coastguard Worker #endif // FP_INT_TOWARDZERO
37*71db0c75SAndroid Build Coastguard Worker 
38*71db0c75SAndroid Build Coastguard Worker #ifndef FP_INT_TONEARESTFROMZERO
39*71db0c75SAndroid Build Coastguard Worker #define FP_INT_TONEARESTFROMZERO 3
40*71db0c75SAndroid Build Coastguard Worker #endif // FP_INT_TONEARESTFROMZERO
41*71db0c75SAndroid Build Coastguard Worker 
42*71db0c75SAndroid Build Coastguard Worker #ifndef FP_INT_TONEAREST
43*71db0c75SAndroid Build Coastguard Worker #define FP_INT_TONEAREST 4
44*71db0c75SAndroid Build Coastguard Worker #endif // FP_INT_TONEAREST
45*71db0c75SAndroid Build Coastguard Worker 
46*71db0c75SAndroid Build Coastguard Worker #endif // LLVM_LIBC_FULL_BUILD
47*71db0c75SAndroid Build Coastguard Worker 
48*71db0c75SAndroid Build Coastguard Worker #endif // LLVM_LIBC_HDR_MATH_MACROS_H
49