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Diffstat (limited to 'ast/erfa/gc2gd.c')
| -rw-r--r-- | ast/erfa/gc2gd.c | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/ast/erfa/gc2gd.c b/ast/erfa/gc2gd.c deleted file mode 100644 index 385e7d5..0000000 --- a/ast/erfa/gc2gd.c +++ /dev/null @@ -1,143 +0,0 @@ -#include "erfa.h" - -int eraGc2gd ( int n, double xyz[3], - double *elong, double *phi, double *height ) -/* -** - - - - - - - - - -** e r a G c 2 g d -** - - - - - - - - - -** -** Transform geocentric coordinates to geodetic using the specified -** reference ellipsoid. -** -** Given: -** n int ellipsoid identifier (Note 1) -** xyz double[3] geocentric vector (Note 2) -** -** Returned: -** elong double longitude (radians, east +ve, Note 3) -** phi double latitude (geodetic, radians, Note 3) -** height double height above ellipsoid (geodetic, Notes 2,3) -** -** Returned (function value): -** int status: 0 = OK -** -1 = illegal identifier (Note 3) -** -2 = internal error (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 geocentric vector (xyz, given) and height (height, returned) -** are in meters. -** -** 3) An error status -1 means that the identifier n is illegal. An -** error status -2 is theoretically impossible. In all error cases, -** all three results are set to -1e9. -** -** 4) The inverse transformation is performed in the function eraGd2gc. -** -** Called: -** eraEform Earth reference ellipsoids -** eraGc2gde geocentric to geodetic transformation, general -** -** Copyright (C) 2013-2016, NumFOCUS Foundation. -** Derived, with permission, from the SOFA library. See notes at end of file. -*/ -{ - int j; - double a, f; - - -/* Obtain reference ellipsoid parameters. */ - j = eraEform ( n, &a, &f ); - -/* If OK, transform x,y,z to longitude, geodetic latitude, height. */ - if ( j == 0 ) { - j = eraGc2gde ( a, f, xyz, elong, phi, height ); - if ( j < 0 ) j = -2; - } - -/* Deal with any errors. */ - if ( j < 0 ) { - *elong = -1e9; - *phi = -1e9; - *height = -1e9; - } - -/* Return the status. */ - return j; - -} -/*---------------------------------------------------------------------- -** -** -** 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. -** -*/ |