| 1 | /* |
| 2 | * IBM Accurate Mathematical Library |
| 3 | * Written by International Business Machines Corp. |
| 4 | * Copyright (C) 2001-2020 Free Software Foundation, Inc. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU Lesser General Public License as published by |
| 8 | * the Free Software Foundation; either version 2.1 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU Lesser General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Lesser General Public License |
| 17 | * along with this program; if not, see <https://www.gnu.org/licenses/>. |
| 18 | */ |
| 19 | |
| 20 | /******************************************************************/ |
| 21 | /* */ |
| 22 | /* MODULE_NAME:mpatan.h */ |
| 23 | /* */ |
| 24 | /* common data and variables prototype and definition */ |
| 25 | /******************************************************************/ |
| 26 | |
| 27 | #ifndef MPATAN_H |
| 28 | #define MPATAN_H |
| 29 | |
| 30 | extern const number __atan_xm[8] attribute_hidden; |
| 31 | extern const number __atan_twonm1[33] attribute_hidden; |
| 32 | extern const number __atan_twom[8] attribute_hidden; |
| 33 | extern const int __atan_np[33] attribute_hidden; |
| 34 | |
| 35 | |
| 36 | #ifndef AVOID_MPATAN_H |
| 37 | #ifdef BIG_ENDI |
| 38 | const number |
| 39 | __atan_xm[8] = { /* x[m] */ |
| 40 | /**/ {{0x00000000, 0x00000000} }, /* 0.0 */ |
| 41 | /**/ {{0x3f8930be, 0x00000000} }, /* 0.0123 */ |
| 42 | /**/ {{0x3f991687, 0x00000000} }, /* 0.0245 */ |
| 43 | /**/ {{0x3fa923a2, 0x00000000} }, /* 0.0491 */ |
| 44 | /**/ {{0x3fb930be, 0x00000000} }, /* 0.0984 */ |
| 45 | /**/ {{0x3fc95810, 0x00000000} }, /* 0.198 */ |
| 46 | /**/ {{0x3fda7ef9, 0x00000000} }, /* 0.414 */ |
| 47 | /**/ {{0x3ff00000, 0x00000000} }, /* 1.0 */ |
| 48 | }; |
| 49 | const number |
| 50 | __atan_twonm1[33] = { /* 2n-1 */ |
| 51 | /**/ {{0x00000000, 0x00000000} }, /* 0 */ |
| 52 | /**/ {{0x00000000, 0x00000000} }, /* 0 */ |
| 53 | /**/ {{0x00000000, 0x00000000} }, /* 0 */ |
| 54 | /**/ {{0x00000000, 0x00000000} }, /* 0 */ |
| 55 | /**/ {{0x40260000, 0x00000000} }, /* 11 */ |
| 56 | /**/ {{0x402e0000, 0x00000000} }, /* 15 */ |
| 57 | /**/ {{0x40330000, 0x00000000} }, /* 19 */ |
| 58 | /**/ {{0x40350000, 0x00000000} }, /* 21 */ |
| 59 | /**/ {{0x40390000, 0x00000000} }, /* 25 */ |
| 60 | /**/ {{0x403d0000, 0x00000000} }, /* 29 */ |
| 61 | /**/ {{0x40408000, 0x00000000} }, /* 33 */ |
| 62 | /**/ {{0x40428000, 0x00000000} }, /* 37 */ |
| 63 | /**/ {{0x40448000, 0x00000000} }, /* 41 */ |
| 64 | /**/ {{0x40468000, 0x00000000} }, /* 45 */ |
| 65 | /**/ {{0x40488000, 0x00000000} }, /* 49 */ |
| 66 | /**/ {{0x404a8000, 0x00000000} }, /* 53 */ |
| 67 | /**/ {{0x404b8000, 0x00000000} }, /* 55 */ |
| 68 | /**/ {{0x404d8000, 0x00000000} }, /* 59 */ |
| 69 | /**/ {{0x404f8000, 0x00000000} }, /* 63 */ |
| 70 | /**/ {{0x4050c000, 0x00000000} }, /* 67 */ |
| 71 | /**/ {{0x4051c000, 0x00000000} }, /* 71 */ |
| 72 | /**/ {{0x4052c000, 0x00000000} }, /* 75 */ |
| 73 | /**/ {{0x4053c000, 0x00000000} }, /* 79 */ |
| 74 | /**/ {{0x4054c000, 0x00000000} }, /* 83 */ |
| 75 | /**/ {{0x40554000, 0x00000000} }, /* 85 */ |
| 76 | /**/ {{0x40564000, 0x00000000} }, /* 89 */ |
| 77 | /**/ {{0x40574000, 0x00000000} }, /* 93 */ |
| 78 | /**/ {{0x40584000, 0x00000000} }, /* 97 */ |
| 79 | /**/ {{0x40594000, 0x00000000} }, /* 101 */ |
| 80 | /**/ {{0x405a4000, 0x00000000} }, /* 105 */ |
| 81 | /**/ {{0x405b4000, 0x00000000} }, /* 109 */ |
| 82 | /**/ {{0x405c4000, 0x00000000} }, /* 113 */ |
| 83 | /**/ {{0x405d4000, 0x00000000} }, /* 117 */ |
| 84 | }; |
| 85 | |
| 86 | #else |
| 87 | #ifdef LITTLE_ENDI |
| 88 | |
| 89 | const number |
| 90 | __atan_xm[8] = { /* x[m] */ |
| 91 | /**/ {{0x00000000, 0x00000000} }, /* 0.0 */ |
| 92 | /**/ {{0x00000000, 0x3f8930be} }, /* 0.0123 */ |
| 93 | /**/ {{0x00000000, 0x3f991687} }, /* 0.0245 */ |
| 94 | /**/ {{0x00000000, 0x3fa923a2} }, /* 0.0491 */ |
| 95 | /**/ {{0x00000000, 0x3fb930be} }, /* 0.0984 */ |
| 96 | /**/ {{0x00000000, 0x3fc95810} }, /* 0.198 */ |
| 97 | /**/ {{0x00000000, 0x3fda7ef9} }, /* 0.414 */ |
| 98 | /**/ {{0x00000000, 0x3ff00000} }, /* 1.0 */ |
| 99 | }; |
| 100 | const number |
| 101 | __atan_twonm1[33] = { /* 2n-1 */ |
| 102 | /**/ {{0x00000000, 0x00000000} }, /* 0 */ |
| 103 | /**/ {{0x00000000, 0x00000000} }, /* 0 */ |
| 104 | /**/ {{0x00000000, 0x00000000} }, /* 0 */ |
| 105 | /**/ {{0x00000000, 0x00000000} }, /* 0 */ |
| 106 | /**/ {{0x00000000, 0x40260000} }, /* 11 */ |
| 107 | /**/ {{0x00000000, 0x402e0000} }, /* 15 */ |
| 108 | /**/ {{0x00000000, 0x40330000} }, /* 19 */ |
| 109 | /**/ {{0x00000000, 0x40350000} }, /* 21 */ |
| 110 | /**/ {{0x00000000, 0x40390000} }, /* 25 */ |
| 111 | /**/ {{0x00000000, 0x403d0000} }, /* 29 */ |
| 112 | /**/ {{0x00000000, 0x40408000} }, /* 33 */ |
| 113 | /**/ {{0x00000000, 0x40428000} }, /* 37 */ |
| 114 | /**/ {{0x00000000, 0x40448000} }, /* 41 */ |
| 115 | /**/ {{0x00000000, 0x40468000} }, /* 45 */ |
| 116 | /**/ {{0x00000000, 0x40488000} }, /* 49 */ |
| 117 | /**/ {{0x00000000, 0x404a8000} }, /* 53 */ |
| 118 | /**/ {{0x00000000, 0x404b8000} }, /* 55 */ |
| 119 | /**/ {{0x00000000, 0x404d8000} }, /* 59 */ |
| 120 | /**/ {{0x00000000, 0x404f8000} }, /* 63 */ |
| 121 | /**/ {{0x00000000, 0x4050c000} }, /* 67 */ |
| 122 | /**/ {{0x00000000, 0x4051c000} }, /* 71 */ |
| 123 | /**/ {{0x00000000, 0x4052c000} }, /* 75 */ |
| 124 | /**/ {{0x00000000, 0x4053c000} }, /* 79 */ |
| 125 | /**/ {{0x00000000, 0x4054c000} }, /* 83 */ |
| 126 | /**/ {{0x00000000, 0x40554000} }, /* 85 */ |
| 127 | /**/ {{0x00000000, 0x40564000} }, /* 89 */ |
| 128 | /**/ {{0x00000000, 0x40574000} }, /* 93 */ |
| 129 | /**/ {{0x00000000, 0x40584000} }, /* 97 */ |
| 130 | /**/ {{0x00000000, 0x40594000} }, /* 101 */ |
| 131 | /**/ {{0x00000000, 0x405a4000} }, /* 105 */ |
| 132 | /**/ {{0x00000000, 0x405b4000} }, /* 109 */ |
| 133 | /**/ {{0x00000000, 0x405c4000} }, /* 113 */ |
| 134 | /**/ {{0x00000000, 0x405d4000} }, /* 117 */ |
| 135 | }; |
| 136 | |
| 137 | #endif |
| 138 | #endif |
| 139 | |
| 140 | const int |
| 141 | __atan_np[33] = { 0, 0, 0, 0, 6, 8,10,11,13,15,17,19,21,23,25,27,28, |
| 142 | 30,32,34,36,38,40,42,43,45,47,49,51,53,55,57,59}; |
| 143 | |
| 144 | #endif |
| 145 | #endif |
| 146 | |