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Diffstat (limited to 'ast/erfa/erfam.h')
| -rw-r--r-- | ast/erfa/erfam.h | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/ast/erfa/erfam.h b/ast/erfa/erfam.h deleted file mode 100644 index 750c4c2..0000000 --- a/ast/erfa/erfam.h +++ /dev/null @@ -1,208 +0,0 @@ -#ifndef ERFAMHDEF -#define ERFAMHDEF - -/* -** - - - - - - - - -** e r f a m . h -** - - - - - - - - -** -** Macros used by ERFA library. -** -** Copyright (C) 2013-2016, NumFOCUS Foundation. -** Derived, with permission, from the SOFA library. See notes at end of file. -*/ - -/* Star-independent astrometry parameters */ -typedef struct { - double pmt; /* PM time interval (SSB, Julian years) */ - double eb[3]; /* SSB to observer (vector, au) */ - double eh[3]; /* Sun to observer (unit vector) */ - double em; /* distance from Sun to observer (au) */ - double v[3]; /* barycentric observer velocity (vector, c) */ - double bm1; /* sqrt(1-|v|^2): reciprocal of Lorenz factor */ - double bpn[3][3]; /* bias-precession-nutation matrix */ - double along; /* longitude + s' + dERA(DUT) (radians) */ - double phi; /* geodetic latitude (radians) */ - double xpl; /* polar motion xp wrt local meridian (radians) */ - double ypl; /* polar motion yp wrt local meridian (radians) */ - double sphi; /* sine of geodetic latitude */ - double cphi; /* cosine of geodetic latitude */ - double diurab; /* magnitude of diurnal aberration vector */ - double eral; /* "local" Earth rotation angle (radians) */ - double refa; /* refraction constant A (radians) */ - double refb; /* refraction constant B (radians) */ -} eraASTROM; -/* (Vectors eb, eh, em and v are all with respect to BCRS axes.) */ - -/* Body parameters for light deflection */ -typedef struct { - double bm; /* mass of the body (solar masses) */ - double dl; /* deflection limiter (radians^2/2) */ - double pv[2][3]; /* barycentric PV of the body (au, au/day) */ -} eraLDBODY; - -/* Pi */ -#define ERFA_DPI (3.141592653589793238462643) - -/* 2Pi */ -#define ERFA_D2PI (6.283185307179586476925287) - -/* Radians to degrees */ -#define ERFA_DR2D (57.29577951308232087679815) - -/* 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) - -/* Astronomical unit (m) */ -#define ERFA_DAU (149597870e3) - -/* Speed of light (m/s) */ -#define ERFA_CMPS 299792458.0 - -/* Light time for 1 au (s) */ -#define ERFA_AULT 499.004782 - -/* Speed of light (AU per day) */ -#define ERFA_DC (ERFA_DAYSEC / ERFA_AULT) - -/* 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) - -/* Schwarzschild radius of the Sun (au) */ -/* = 2 * 1.32712440041e20 / (2.99792458e8)^2 / 1.49597870700e11 */ -#define ERFA_SRS 1.97412574336e-8 - -/* 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)) - -/* max(A,B) - larger (most +ve) of two numbers (generic) */ -#define ERFA_GMAX(A,B) (((A)>(B))?(A):(B)) - -/* min(A,B) - smaller (least +ve) of two numbers (generic) */ -#define ERFA_GMIN(A,B) (((A)<(B))?(A):(B)) - -/* Reference ellipsoids */ -#define ERFA_WGS84 1 -#define ERFA_GRS80 2 -#define ERFA_WGS72 3 - -#endif - - -/*---------------------------------------------------------------------- -** -** -** Copyright (C) 2013-2016, 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. -** -*/ |