| Calin Juravle | 4d77c11 | 2014-03-14 17:56:46 +0000 | [diff] [blame] | 1 | /*- |
| Elliott Hughes | c1e46b6 | 2023-07-19 14:06:31 -0700 | [diff] [blame] | 2 | * SPDX-License-Identifier: BSD-2-Clause |
| Elliott Hughes | ab52807 | 2018-07-24 00:01:52 +0000 | [diff] [blame] | 3 | * |
| Calin Juravle | 4d77c11 | 2014-03-14 17:56:46 +0000 | [diff] [blame] | 4 | * Copyright (c) 2008 David Schultz <das@FreeBSD.ORG> |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * 1. Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| 17 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 20 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 21 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 22 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 23 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 24 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 25 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 26 | * SUCH DAMAGE. |
| 27 | */ |
| 28 | |
| Calin Juravle | 4d77c11 | 2014-03-14 17:56:46 +0000 | [diff] [blame] | 29 | #include "invtrig.h" |
| 30 | |
| 31 | /* |
| 32 | * asinl() and acosl() |
| 33 | */ |
| 34 | const long double |
| 35 | pS0 = 1.66666666666666666666666666666700314e-01L, |
| 36 | pS1 = -7.32816946414566252574527475428622708e-01L, |
| 37 | pS2 = 1.34215708714992334609030036562143589e+00L, |
| 38 | pS3 = -1.32483151677116409805070261790752040e+00L, |
| 39 | pS4 = 7.61206183613632558824485341162121989e-01L, |
| 40 | pS5 = -2.56165783329023486777386833928147375e-01L, |
| 41 | pS6 = 4.80718586374448793411019434585413855e-02L, |
| 42 | pS7 = -4.42523267167024279410230886239774718e-03L, |
| 43 | pS8 = 1.44551535183911458253205638280410064e-04L, |
| 44 | pS9 = -2.10558957916600254061591040482706179e-07L, |
| 45 | qS1 = -4.84690167848739751544716485245697428e+00L, |
| 46 | qS2 = 9.96619113536172610135016921140206980e+00L, |
| 47 | qS3 = -1.13177895428973036660836798461641458e+01L, |
| 48 | qS4 = 7.74004374389488266169304117714658761e+00L, |
| 49 | qS5 = -3.25871986053534084709023539900339905e+00L, |
| 50 | qS6 = 8.27830318881232209752469022352928864e-01L, |
| 51 | qS7 = -1.18768052702942805423330715206348004e-01L, |
| 52 | qS8 = 8.32600764660522313269101537926539470e-03L, |
| 53 | qS9 = -1.99407384882605586705979504567947007e-04L; |
| 54 | |
| 55 | /* |
| 56 | * atanl() |
| 57 | */ |
| 58 | const long double atanhi[] = { |
| 59 | 4.63647609000806116214256231461214397e-01L, |
| Elliott Hughes | 460ad74 | 2014-09-12 14:00:02 -0700 | [diff] [blame] | 60 | 7.85398163397448309615660845819875699e-01L, |
| 61 | 9.82793723247329067985710611014666038e-01L, |
| Calin Juravle | 4d77c11 | 2014-03-14 17:56:46 +0000 | [diff] [blame] | 62 | 1.57079632679489661923132169163975140e+00L, |
| 63 | }; |
| 64 | |
| 65 | const long double atanlo[] = { |
| 66 | 4.89509642257333492668618435220297706e-36L, |
| 67 | 2.16795253253094525619926100651083806e-35L, |
| 68 | -2.31288434538183565909319952098066272e-35L, |
| 69 | 4.33590506506189051239852201302167613e-35L, |
| 70 | }; |
| 71 | |
| 72 | const long double aT[] = { |
| 73 | 3.33333333333333333333333333333333125e-01L, |
| 74 | -1.99999999999999999999999999999180430e-01L, |
| 75 | 1.42857142857142857142857142125269827e-01L, |
| 76 | -1.11111111111111111111110834490810169e-01L, |
| 77 | 9.09090909090909090908522355708623681e-02L, |
| 78 | -7.69230769230769230696553844935357021e-02L, |
| 79 | 6.66666666666666660390096773046256096e-02L, |
| 80 | -5.88235294117646671706582985209643694e-02L, |
| 81 | 5.26315789473666478515847092020327506e-02L, |
| 82 | -4.76190476189855517021024424991436144e-02L, |
| 83 | 4.34782608678695085948531993458097026e-02L, |
| 84 | -3.99999999632663469330634215991142368e-02L, |
| 85 | 3.70370363987423702891250829918659723e-02L, |
| 86 | -3.44827496515048090726669907612335954e-02L, |
| 87 | 3.22579620681420149871973710852268528e-02L, |
| 88 | -3.03020767654269261041647570626778067e-02L, |
| 89 | 2.85641979882534783223403715930946138e-02L, |
| 90 | -2.69824879726738568189929461383741323e-02L, |
| 91 | 2.54194698498808542954187110873675769e-02L, |
| 92 | -2.35083879708189059926183138130183215e-02L, |
| 93 | 2.04832358998165364349957325067131428e-02L, |
| 94 | -1.54489555488544397858507248612362957e-02L, |
| 95 | 8.64492360989278761493037861575248038e-03L, |
| 96 | -2.58521121597609872727919154569765469e-03L, |
| 97 | }; |
| 98 | |
| 99 | const long double pi_lo = 8.67181013012378102479704402604335225e-35L; |