1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
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
29#include <sys/cdefs.h>
30#include "invtrig.h"
31
32/*
33 * asinl() and acosl()
34 */
35const long double
36pS0 =  1.66666666666666666666666666666700314e-01L,
37pS1 = -7.32816946414566252574527475428622708e-01L,
38pS2 =  1.34215708714992334609030036562143589e+00L,
39pS3 = -1.32483151677116409805070261790752040e+00L,
40pS4 =  7.61206183613632558824485341162121989e-01L,
41pS5 = -2.56165783329023486777386833928147375e-01L,
42pS6 =  4.80718586374448793411019434585413855e-02L,
43pS7 = -4.42523267167024279410230886239774718e-03L,
44pS8 =  1.44551535183911458253205638280410064e-04L,
45pS9 = -2.10558957916600254061591040482706179e-07L,
46qS1 = -4.84690167848739751544716485245697428e+00L,
47qS2 =  9.96619113536172610135016921140206980e+00L,
48qS3 = -1.13177895428973036660836798461641458e+01L,
49qS4 =  7.74004374389488266169304117714658761e+00L,
50qS5 = -3.25871986053534084709023539900339905e+00L,
51qS6 =  8.27830318881232209752469022352928864e-01L,
52qS7 = -1.18768052702942805423330715206348004e-01L,
53qS8 =  8.32600764660522313269101537926539470e-03L,
54qS9 = -1.99407384882605586705979504567947007e-04L;
55
56/*
57 * atanl()
58 */
59const long double atanhi[] = {
60	 4.63647609000806116214256231461214397e-01L,
61	 7.85398163397448309615660845819875699e-01L,
62	 9.82793723247329067985710611014666038e-01L,
63	 1.57079632679489661923132169163975140e+00L,
64};
65
66const long double atanlo[] = {
67	 4.89509642257333492668618435220297706e-36L,
68	 2.16795253253094525619926100651083806e-35L,
69	-2.31288434538183565909319952098066272e-35L,
70	 4.33590506506189051239852201302167613e-35L,
71};
72
73const long double aT[] = {
74	 3.33333333333333333333333333333333125e-01L,
75	-1.99999999999999999999999999999180430e-01L,
76	 1.42857142857142857142857142125269827e-01L,
77	-1.11111111111111111111110834490810169e-01L,
78	 9.09090909090909090908522355708623681e-02L,
79	-7.69230769230769230696553844935357021e-02L,
80	 6.66666666666666660390096773046256096e-02L,
81	-5.88235294117646671706582985209643694e-02L,
82	 5.26315789473666478515847092020327506e-02L,
83	-4.76190476189855517021024424991436144e-02L,
84	 4.34782608678695085948531993458097026e-02L,
85	-3.99999999632663469330634215991142368e-02L,
86	 3.70370363987423702891250829918659723e-02L,
87	-3.44827496515048090726669907612335954e-02L,
88	 3.22579620681420149871973710852268528e-02L,
89	-3.03020767654269261041647570626778067e-02L,
90	 2.85641979882534783223403715930946138e-02L,
91	-2.69824879726738568189929461383741323e-02L,
92	 2.54194698498808542954187110873675769e-02L,
93	-2.35083879708189059926183138130183215e-02L,
94	 2.04832358998165364349957325067131428e-02L,
95	-1.54489555488544397858507248612362957e-02L,
96	 8.64492360989278761493037861575248038e-03L,
97	-2.58521121597609872727919154569765469e-03L,
98};
99
100const long double pi_lo = 8.67181013012378102479704402604335225e-35L;
101