1 /* origin: FreeBSD /usr/src/lib/msun/src/ld80/invtrig.c */
3 * Copyright (c) 2008 David Schultz <das@FreeBSD.ORG>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 #include "__invtrigl.h"
30 #if LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384
35 pS0 = 1.66666666666666666631e-01L,
36 pS1 = -4.16313987993683104320e-01L,
37 pS2 = 3.69068046323246813704e-01L,
38 pS3 = -1.36213932016738603108e-01L,
39 pS4 = 1.78324189708471965733e-02L,
40 pS5 = -2.19216428382605211588e-04L,
41 pS6 = -7.10526623669075243183e-06L,
42 qS1 = -2.94788392796209867269e+00L,
43 qS2 = 3.27309890266528636716e+00L,
44 qS3 = -1.68285799854822427013e+00L,
45 qS4 = 3.90699412641738801874e-01L,
46 qS5 = -3.14365703596053263322e-02L;
51 const long double atanhi[] = {
52 4.63647609000806116202e-01L,
53 7.85398163397448309628e-01L,
54 9.82793723247329067960e-01L,
55 1.57079632679489661926e+00L,
58 const long double atanlo[] = {
59 1.18469937025062860669e-20L,
60 -1.25413940316708300586e-20L,
61 2.55232234165405176172e-20L,
62 -2.50827880633416601173e-20L,
65 const long double aT[] = {
66 3.33333333333333333017e-01L,
67 -1.99999999999999632011e-01L,
68 1.42857142857046531280e-01L,
69 -1.11111111100562372733e-01L,
70 9.09090902935647302252e-02L,
71 -7.69230552476207730353e-02L,
72 6.66661718042406260546e-02L,
73 -5.88158892835030888692e-02L,
74 5.25499891539726639379e-02L,
75 -4.70119845393155721494e-02L,
76 4.03539201366454414072e-02L,
77 -2.91303858419364158725e-02L,
78 1.24822046299269234080e-02L,
81 const long double pi_lo = -5.01655761266833202345e-20L;