xref: /freebsd/contrib/llvm-project/libc/include/llvm-libc-macros/math-macros.h (revision bb722a7d0f1642bff6487f943ad0427799a6e5bf)
1*bb722a7dSDimitry Andric //===-- Definition of macros from math.h ----------------------------------===//
2*bb722a7dSDimitry Andric //
3*bb722a7dSDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*bb722a7dSDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
5*bb722a7dSDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*bb722a7dSDimitry Andric //
7*bb722a7dSDimitry Andric //===----------------------------------------------------------------------===//
8*bb722a7dSDimitry Andric 
9*bb722a7dSDimitry Andric #ifndef LLVM_LIBC_MACROS_MATH_MACROS_H
10*bb722a7dSDimitry Andric #define LLVM_LIBC_MACROS_MATH_MACROS_H
11*bb722a7dSDimitry Andric 
12*bb722a7dSDimitry Andric #include "limits-macros.h"
13*bb722a7dSDimitry Andric 
14*bb722a7dSDimitry Andric #define FP_NAN 0
15*bb722a7dSDimitry Andric #define FP_INFINITE 1
16*bb722a7dSDimitry Andric #define FP_ZERO 2
17*bb722a7dSDimitry Andric #define FP_SUBNORMAL 3
18*bb722a7dSDimitry Andric #define FP_NORMAL 4
19*bb722a7dSDimitry Andric 
20*bb722a7dSDimitry Andric #define FP_INT_UPWARD 0
21*bb722a7dSDimitry Andric #define FP_INT_DOWNWARD 1
22*bb722a7dSDimitry Andric #define FP_INT_TOWARDZERO 2
23*bb722a7dSDimitry Andric #define FP_INT_TONEARESTFROMZERO 3
24*bb722a7dSDimitry Andric #define FP_INT_TONEAREST 4
25*bb722a7dSDimitry Andric 
26*bb722a7dSDimitry Andric #define MATH_ERRNO 1
27*bb722a7dSDimitry Andric #define MATH_ERREXCEPT 2
28*bb722a7dSDimitry Andric 
29*bb722a7dSDimitry Andric #define HUGE_VAL __builtin_huge_val()
30*bb722a7dSDimitry Andric #define HUGE_VALF __builtin_huge_valf()
31*bb722a7dSDimitry Andric #define INFINITY __builtin_inff()
32*bb722a7dSDimitry Andric #define NAN __builtin_nanf("")
33*bb722a7dSDimitry Andric 
34*bb722a7dSDimitry Andric #define FP_ILOGB0 (-INT_MAX - 1)
35*bb722a7dSDimitry Andric #define FP_LLOGB0 (-LONG_MAX - 1)
36*bb722a7dSDimitry Andric 
37*bb722a7dSDimitry Andric #ifdef __FP_LOGBNAN_MIN
38*bb722a7dSDimitry Andric #define FP_ILOGBNAN (-INT_MAX - 1)
39*bb722a7dSDimitry Andric #define FP_LLOGBNAN (-LONG_MAX - 1)
40*bb722a7dSDimitry Andric #else
41*bb722a7dSDimitry Andric #define FP_ILOGBNAN INT_MAX
42*bb722a7dSDimitry Andric #define FP_LLOGBNAN LONG_MAX
43*bb722a7dSDimitry Andric #endif
44*bb722a7dSDimitry Andric 
45*bb722a7dSDimitry Andric #if defined(__NVPTX__) || defined(__AMDGPU__) || defined(__FAST_MATH__)
46*bb722a7dSDimitry Andric #define math_errhandling 0
47*bb722a7dSDimitry Andric #elif defined(__NO_MATH_ERRNO__)
48*bb722a7dSDimitry Andric #define math_errhandling (MATH_ERREXCEPT)
49*bb722a7dSDimitry Andric #else
50*bb722a7dSDimitry Andric #define math_errhandling (MATH_ERRNO | MATH_ERREXCEPT)
51*bb722a7dSDimitry Andric #endif
52*bb722a7dSDimitry Andric 
53*bb722a7dSDimitry Andric #endif // LLVM_LIBC_MACROS_MATH_MACROS_H
54