1 | /* Data for function expf. |
2 | Copyright (C) 2014-2021 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include "svml_s_expf_data.h" |
20 | |
21 | .section .rodata, "a" |
22 | .align 64 |
23 | |
24 | /* Data table for vector implementations of function expf. |
25 | The table may contain polynomial, reduction, lookup coefficients and |
26 | other coefficients obtained through different methods of research and |
27 | experimental work. */ |
28 | |
29 | .globl __svml_sexp_data |
30 | __svml_sexp_data: |
31 | |
32 | /* Range reduction coefficients: |
33 | * log(2) inverted */ |
34 | float_vector __sInvLn2 0x3fb8aa3b |
35 | |
36 | /* right shifter constant */ |
37 | float_vector __sShifter 0x4b400000 |
38 | |
39 | /* log(2) high part */ |
40 | float_vector __sLn2hi 0x3f317200 |
41 | |
42 | /* log(2) low part */ |
43 | float_vector __sLn2lo 0x35bfbe8e |
44 | |
45 | /* bias */ |
46 | float_vector __iBias 0x0000007f |
47 | |
48 | /* Polynomial coefficients: |
49 | * Here we approximate 2^x on [-0.5, 0.5] */ |
50 | float_vector __sPC0 0x3f800000 |
51 | float_vector __sPC1 0x3f7ffffe |
52 | float_vector __sPC2 0x3effff34 |
53 | float_vector __sPC3 0x3e2aacac |
54 | float_vector __sPC4 0x3d2b8392 |
55 | float_vector __sPC5 0x3c07d9fe |
56 | |
57 | /* absolute value mask */ |
58 | float_vector __iAbsMask 0x7fffffff |
59 | |
60 | /* working domain range */ |
61 | float_vector __iDomainRange 0x42aeac4f |
62 | .type __svml_sexp_data,@object |
63 | .size __svml_sexp_data,.-__svml_sexp_data |
64 | |