/usr/include/erfam.h is in liberfa-dev 1.0.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 | #ifndef ERFAMHDEF
#define ERFAMHDEF
/*
** - - - - - - - -
** e r f a m . h
** - - - - - - - -
**
** Macros used by ERFA library.
**
** Copyright (C) 2013, NumFOCUS Foundation.
** Derived, with permission, from the SOFA library. See notes at end of file.
*/
#include "erfa.h"
/* Pi */
#define ERFA_DPI (3.141592653589793238462643)
/* 2Pi */
#define ERFA_D2PI (6.283185307179586476925287)
/* Degrees to radians */
#define ERFA_DD2R (1.745329251994329576923691e-2)
/* Radians to arcseconds */
#define ERFA_DR2AS (206264.8062470963551564734)
/* Arcseconds to radians */
#define ERFA_DAS2R (4.848136811095359935899141e-6)
/* Seconds of time to radians */
#define ERFA_DS2R (7.272205216643039903848712e-5)
/* Arcseconds in a full circle */
#define ERFA_TURNAS (1296000.0)
/* Milliarcseconds to radians */
#define ERFA_DMAS2R (ERFA_DAS2R / 1e3)
/* Length of tropical year B1900 (days) */
#define ERFA_DTY (365.242198781)
/* Seconds per day. */
#define ERFA_DAYSEC (86400.0)
/* Days per Julian year */
#define ERFA_DJY (365.25)
/* Days per Julian century */
#define ERFA_DJC (36525.0)
/* Days per Julian millennium */
#define ERFA_DJM (365250.0)
/* Reference epoch (J2000.0), Julian Date */
#define ERFA_DJ00 (2451545.0)
/* Julian Date of Modified Julian Date zero */
#define ERFA_DJM0 (2400000.5)
/* Reference epoch (J2000.0), Modified Julian Date */
#define ERFA_DJM00 (51544.5)
/* 1977 Jan 1.0 as MJD */
#define ERFA_DJM77 (43144.0)
/* TT minus TAI (s) */
#define ERFA_TTMTAI (32.184)
/* AU (m) */
#define ERFA_DAU (149597870e3)
/* Speed of light (AU per day) */
#define ERFA_DC (ERFA_DAYSEC / 499.004782)
/* L_G = 1 - d(TT)/d(TCG) */
#define ERFA_ELG (6.969290134e-10)
/* L_B = 1 - d(TDB)/d(TCB), and TDB (s) at TAI 1977/1/1.0 */
#define ERFA_ELB (1.550519768e-8)
#define ERFA_TDB0 (-6.55e-5)
/* ERFA_DINT(A) - truncate to nearest whole number towards zero (double) */
#define ERFA_DINT(A) ((A)<0.0?ceil(A):floor(A))
/* ERFA_DNINT(A) - round to nearest whole number (double) */
#define ERFA_DNINT(A) ((A)<0.0?ceil((A)-0.5):floor((A)+0.5))
/* ERFA_DSIGN(A,B) - magnitude of A with sign of B (double) */
#define ERFA_DSIGN(A,B) ((B)<0.0?-fabs(A):fabs(A))
/* Reference ellipsoids */
#define ERFA_WGS84 1
#define ERFA_GRS80 2
#define ERFA_WGS72 3
#endif
/*----------------------------------------------------------------------
**
**
** Copyright (C) 2013, NumFOCUS Foundation.
** All rights reserved.
**
** This library is derived, with permission, from the International
** Astronomical Union's "Standards of Fundamental Astronomy" library,
** available from http://www.iausofa.org.
**
** The ERFA version is intended to retain identical functionality to
** the SOFA library, but made distinct through different function and
** file names, as set out in the SOFA license conditions. The SOFA
** original has a role as a reference standard for the IAU and IERS,
** and consequently redistribution is permitted only in its unaltered
** state. The ERFA version is not subject to this restriction and
** therefore can be included in distributions which do not support the
** concept of "read only" software.
**
** Although the intent is to replicate the SOFA API (other than
** replacement of prefix names) and results (with the exception of
** bugs; any that are discovered will be fixed), SOFA is not
** responsible for any errors found in this version of the library.
**
** If you wish to acknowledge the SOFA heritage, please acknowledge
** that you are using a library derived from SOFA, rather than SOFA
** itself.
**
**
** TERMS AND CONDITIONS
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1 Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
**
** 2 Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
**
** 3 Neither the name of the Standards Of Fundamental Astronomy Board,
** the International Astronomical Union nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
** FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
** COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
** BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
** LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
** CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
** LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
** ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
** POSSIBILITY OF SUCH DAMAGE.
**
*/
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