| 1 | /* Data for function expf. |
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| 2 | Copyright (C) 2014-2022 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library; if not, see |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #include "svml_s_expf_data.h" |
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| 20 | |
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| 21 | .section .rodata, "a" |
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| 22 | .align 64 |
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| 23 | |
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| 24 | /* Data table for vector implementations of function expf. |
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| 25 | The table may contain polynomial, reduction, lookup coefficients and |
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| 26 | other coefficients obtained through different methods of research and |
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| 27 | experimental work. */ |
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| 28 | |
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| 29 | .globl __svml_sexp_data |
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| 30 | __svml_sexp_data: |
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| 31 | |
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| 32 | /* Range reduction coefficients: |
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| 33 | * log(2) inverted */ |
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| 34 | float_vector __sInvLn2 0x3fb8aa3b |
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| 35 | |
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| 36 | /* right shifter constant */ |
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| 37 | float_vector __sShifter 0x4b400000 |
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| 38 | |
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| 39 | /* log(2) high part */ |
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| 40 | float_vector __sLn2hi 0x3f317200 |
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| 41 | |
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| 42 | /* log(2) low part */ |
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| 43 | float_vector __sLn2lo 0x35bfbe8e |
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| 44 | |
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| 45 | /* bias */ |
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| 46 | float_vector __iBias 0x0000007f |
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| 47 | |
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| 48 | /* Polynomial coefficients: |
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| 49 | * Here we approximate 2^x on [-0.5, 0.5] */ |
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| 50 | float_vector __sPC0 0x3f800000 |
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| 51 | float_vector __sPC1 0x3f7ffffe |
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| 52 | float_vector __sPC2 0x3effff34 |
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| 53 | float_vector __sPC3 0x3e2aacac |
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| 54 | float_vector __sPC4 0x3d2b8392 |
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| 55 | float_vector __sPC5 0x3c07d9fe |
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| 56 | |
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| 57 | /* absolute value mask */ |
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| 58 | float_vector __iAbsMask 0x7fffffff |
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| 59 | |
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| 60 | /* working domain range */ |
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| 61 | float_vector __iDomainRange 0x42aeac4f |
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| 62 | .type __svml_sexp_data,@object |
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| 63 | .size __svml_sexp_data,.-__svml_sexp_data |
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| 64 | |
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