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author | William Joye <wjoye@cfa.harvard.edu> | 2018-01-09 19:06:17 (GMT) |
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committer | William Joye <wjoye@cfa.harvard.edu> | 2018-01-09 19:06:17 (GMT) |
commit | d64cf9c0bd23e752867b149be636d1bbd4501cf4 (patch) | |
tree | ec600c696fe3dbf15f166d22a95c47a1c0867509 /ast/erfa/eform.c | |
parent | 62d555c8f989ab6eb026387cbf52bb46ebb2dfea (diff) | |
download | blt-d64cf9c0bd23e752867b149be636d1bbd4501cf4.zip blt-d64cf9c0bd23e752867b149be636d1bbd4501cf4.tar.gz blt-d64cf9c0bd23e752867b149be636d1bbd4501cf4.tar.bz2 |
update ast 8.6.2
Diffstat (limited to 'ast/erfa/eform.c')
-rw-r--r-- | ast/erfa/eform.c | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/ast/erfa/eform.c b/ast/erfa/eform.c deleted file mode 100644 index 0982ab4..0000000 --- a/ast/erfa/eform.c +++ /dev/null @@ -1,155 +0,0 @@ -#include "erfa.h" - -int eraEform ( int n, double *a, double *f ) -/* -** - - - - - - - - - -** e r a E f o r m -** - - - - - - - - - -** -** Earth reference ellipsoids. -** -** Given: -** n int ellipsoid identifier (Note 1) -** -** Returned: -** a double equatorial radius (meters, Note 2) -** f double flattening (Note 2) -** -** Returned (function value): -** int status: 0 = OK -** -1 = illegal identifier (Note 3) -** -** Notes: -** -** 1) The identifier n is a number that specifies the choice of -** reference ellipsoid. The following are supported: -** -** n ellipsoid -** -** 1 ERFA_WGS84 -** 2 ERFA_GRS80 -** 3 ERFA_WGS72 -** -** The n value has no significance outside the ERFA software. For -** convenience, symbols ERFA_WGS84 etc. are defined in erfam.h. -** -** 2) The ellipsoid parameters are returned in the form of equatorial -** radius in meters (a) and flattening (f). The latter is a number -** around 0.00335, i.e. around 1/298. -** -** 3) For the case where an unsupported n value is supplied, zero a and -** f are returned, as well as error status. -** -** References: -** -** Department of Defense World Geodetic System 1984, National -** Imagery and Mapping Agency Technical Report 8350.2, Third -** Edition, p3-2. -** -** Moritz, H., Bull. Geodesique 66-2, 187 (1992). -** -** The Department of Defense World Geodetic System 1972, World -** Geodetic System Committee, May 1974. -** -** Explanatory Supplement to the Astronomical Almanac, -** P. Kenneth Seidelmann (ed), University Science Books (1992), -** p220. -** -** Copyright (C) 2013-2016, NumFOCUS Foundation. -** Derived, with permission, from the SOFA library. See notes at end of file. -*/ -{ - -/* Look up a and f for the specified reference ellipsoid. */ - switch ( n ) { - - case ERFA_WGS84: - *a = 6378137.0; - *f = 1.0 / 298.257223563; - break; - - case ERFA_GRS80: - *a = 6378137.0; - *f = 1.0 / 298.257222101; - break; - - case ERFA_WGS72: - *a = 6378135.0; - *f = 1.0 / 298.26; - break; - - default: - - /* Invalid identifier. */ - *a = 0.0; - *f = 0.0; - return -1; - - } - -/* OK status. */ - return 0; - -} -/*---------------------------------------------------------------------- -** -** -** 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. -** -*/ |