1 /*========================== begin_copyright_notice ============================
2 
3 Copyright (C) 2017-2021 Intel Corporation
4 
5 SPDX-License-Identifier: MIT
6 
7 ============================= end_copyright_notice ===========================*/
8 
9 /*========================== begin_copyright_notice ============================
10 
11 Copyright (c) 2014 Advanced Micro Devices, Inc.
12 
13 Permission is hereby granted, free of charge, to any person obtaining a copy
14 of this software and associated documentation files (the "Software"), to deal
15 in the Software without restriction, including without limitation the rights
16 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
17 copies of the Software, and to permit persons to whom the Software is
18 furnished to do so, subject to the following conditions:
19 
20 The above copyright notice and this permission notice shall be included in
21 all copies or substantial portions of the Software.
22 
23 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
24 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
26 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
27 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
28 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
29 THE SOFTWARE.
30 
31 ============================= end_copyright_notice ===========================*/
32 
33 #ifndef __MATH_H__
34 #define __MATH_H__
35 
36 #define SNAN 0x001
37 #define QNAN 0x002
38 #define NINF 0x004
39 #define NNOR 0x008
40 #define NSUB 0x010
41 #define NZER 0x020
42 #define PZER 0x040
43 #define PSUB 0x080
44 #define PNOR 0x100
45 #define PINF 0x200
46 
47 #define HAVE_HW_FMA32() (1)
48 #define HAVE_BITALIGN() (0)
49 #define HAVE_FAST_FMA32() (0)
50 
51 #define MATH_DIVIDE(X, Y) ((X) / (Y))
52 #define MATH_RECIP(X) (1.0f / (X))
53 #define MATH_SQRT(X) sqrt(X)
54 
55 #define SIGNBIT_SP32      0x80000000
56 #define EXSIGNBIT_SP32    0x7fffffff
57 #define EXPBITS_SP32      0x7f800000
58 #define MANTBITS_SP32     0x007fffff
59 #define ONEEXPBITS_SP32   0x3f800000
60 #define TWOEXPBITS_SP32   0x40000000
61 #define HALFEXPBITS_SP32  0x3f000000
62 #define IMPBIT_SP32       0x00800000
63 #define QNANBITPATT_SP32  0x7fc00000
64 #define INDEFBITPATT_SP32 0xffc00000
65 #define PINFBITPATT_SP32  0x7f800000
66 #define NINFBITPATT_SP32  0xff800000
67 #define EXPBIAS_SP32      127
68 #define EXPSHIFTBITS_SP32 23
69 #define BIASEDEMIN_SP32   1
70 #define EMIN_SP32         -126
71 #define BIASEDEMAX_SP32   254
72 #define EMAX_SP32         127
73 #define LAMBDA_SP32       1.0e30
74 #define MANTLENGTH_SP32   24
75 #define BASEDIGITS_SP32   7
76 
77 #ifdef cl_khr_fp64
78 
79 #define SIGNBIT_DP64      0x8000000000000000L
80 #define EXSIGNBIT_DP64    0x7fffffffffffffffL
81 #define EXPBITS_DP64      0x7ff0000000000000L
82 #define MANTBITS_DP64     0x000fffffffffffffL
83 #define ONEEXPBITS_DP64   0x3ff0000000000000L
84 #define TWOEXPBITS_DP64   0x4000000000000000L
85 #define HALFEXPBITS_DP64  0x3fe0000000000000L
86 #define IMPBIT_DP64       0x0010000000000000L
87 #define QNANBITPATT_DP64  0x7ff8000000000000L
88 #define INDEFBITPATT_DP64 0xfff8000000000000L
89 #define PINFBITPATT_DP64  0x7ff0000000000000L
90 #define NINFBITPATT_DP64  0xfff0000000000000L
91 #define EXPBIAS_DP64      1023
92 #define EXPSHIFTBITS_DP64 52
93 #define BIASEDEMIN_DP64   1
94 #define EMIN_DP64         -1022
95 #define BIASEDEMAX_DP64   2046 /* 0x7fe */
96 #define EMAX_DP64         1023 /* 0x3ff */
97 #define LAMBDA_DP64       1.0e300
98 #define MANTLENGTH_DP64   53
99 #define BASEDIGITS_DP64   15
100 
101 #endif // cl_khr_fp64
102 
103 #endif // __MATH_H__
104