1181074Sdas/*-
2181074Sdas * Copyright (c) 2008 David Schultz <das@FreeBSD.ORG>
3181074Sdas * All rights reserved.
4181074Sdas *
5181074Sdas * Redistribution and use in source and binary forms, with or without
6181074Sdas * modification, are permitted provided that the following conditions
7181074Sdas * are met:
8181074Sdas * 1. Redistributions of source code must retain the above copyright
9181074Sdas *    notice, this list of conditions and the following disclaimer.
10181074Sdas * 2. Redistributions in binary form must reproduce the above copyright
11181074Sdas *    notice, this list of conditions and the following disclaimer in the
12181074Sdas *    documentation and/or other materials provided with the distribution.
13181074Sdas *
14181074Sdas * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15181074Sdas * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16181074Sdas * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17181074Sdas * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18181074Sdas * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19181074Sdas * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20181074Sdas * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21181074Sdas * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22181074Sdas * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23181074Sdas * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24181074Sdas * SUCH DAMAGE.
25181074Sdas */
26181074Sdas
27181074Sdas#include <sys/cdefs.h>
28181074Sdas__FBSDID("$FreeBSD$");
29181074Sdas
30181074Sdas#include "invtrig.h"
31181074Sdas
32181074Sdas/*
33181074Sdas * asinl() and acosl()
34181074Sdas */
35181074Sdasconst long double
36181074SdaspS0 =  1.66666666666666666631e-01L,
37181074SdaspS1 = -4.16313987993683104320e-01L,
38181074SdaspS2 =  3.69068046323246813704e-01L,
39181074SdaspS3 = -1.36213932016738603108e-01L,
40181074SdaspS4 =  1.78324189708471965733e-02L,
41181074SdaspS5 = -2.19216428382605211588e-04L,
42181074SdaspS6 = -7.10526623669075243183e-06L,
43181074SdasqS1 = -2.94788392796209867269e+00L,
44181074SdasqS2 =  3.27309890266528636716e+00L,
45181074SdasqS3 = -1.68285799854822427013e+00L,
46181074SdasqS4 =  3.90699412641738801874e-01L,
47181074SdasqS5 = -3.14365703596053263322e-02L;
48181074Sdas
49181074Sdas/*
50181074Sdas * atanl()
51181074Sdas */
52181074Sdasconst long double atanhi[] = {
53181074Sdas	 4.63647609000806116202e-01L,
54181074Sdas	 7.85398163397448309628e-01L,
55181074Sdas	 9.82793723247329067960e-01L,
56181074Sdas	 1.57079632679489661926e+00L,
57181074Sdas};
58181074Sdas
59181074Sdasconst long double atanlo[] = {
60181074Sdas	 1.18469937025062860669e-20L,
61181074Sdas	-1.25413940316708300586e-20L,
62181074Sdas	 2.55232234165405176172e-20L,
63181074Sdas	-2.50827880633416601173e-20L,
64181074Sdas};
65181074Sdas
66181074Sdasconst long double aT[] = {
67181074Sdas	 3.33333333333333333017e-01L,
68181074Sdas	-1.99999999999999632011e-01L,
69181074Sdas	 1.42857142857046531280e-01L,
70181074Sdas	-1.11111111100562372733e-01L,
71181074Sdas	 9.09090902935647302252e-02L,
72181074Sdas	-7.69230552476207730353e-02L,
73181074Sdas	 6.66661718042406260546e-02L,
74181074Sdas	-5.88158892835030888692e-02L,
75181074Sdas	 5.25499891539726639379e-02L,
76181074Sdas	-4.70119845393155721494e-02L,
77181074Sdas	 4.03539201366454414072e-02L,
78181074Sdas	-2.91303858419364158725e-02L,
79181074Sdas	 1.24822046299269234080e-02L,
80181074Sdas};
81181074Sdas
82181074Sdasconst long double pi_lo = -5.01655761266833202345e-20L;
83