diff options
Diffstat (limited to 'ast/erfa/ry.c')
| -rw-r--r-- | ast/erfa/ry.c | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/ast/erfa/ry.c b/ast/erfa/ry.c deleted file mode 100644 index 193d7a9..0000000 --- a/ast/erfa/ry.c +++ /dev/null @@ -1,119 +0,0 @@ -#include "erfa.h" - -void eraRy(double theta, double r[3][3]) -/* -** - - - - - - -** e r a R y -** - - - - - - -** -** Rotate an r-matrix about the y-axis. -** -** Given: -** theta double angle (radians) -** -** Given and returned: -** r double[3][3] r-matrix, rotated -** -** Notes: -** -** 1) Calling this function with positive theta incorporates in the -** supplied r-matrix r an additional rotation, about the y-axis, -** anticlockwise as seen looking towards the origin from positive y. -** -** 2) The additional rotation can be represented by this matrix: -** -** ( + cos(theta) 0 - sin(theta) ) -** ( ) -** ( 0 1 0 ) -** ( ) -** ( + sin(theta) 0 + cos(theta) ) -** -** Copyright (C) 2013-2016, NumFOCUS Foundation. -** Derived, with permission, from the SOFA library. See notes at end of file. -*/ -{ - double s, c, a00, a01, a02, a20, a21, a22; - - - s = sin(theta); - c = cos(theta); - - a00 = c*r[0][0] - s*r[2][0]; - a01 = c*r[0][1] - s*r[2][1]; - a02 = c*r[0][2] - s*r[2][2]; - a20 = s*r[0][0] + c*r[2][0]; - a21 = s*r[0][1] + c*r[2][1]; - a22 = s*r[0][2] + c*r[2][2]; - - r[0][0] = a00; - r[0][1] = a01; - r[0][2] = a02; - r[2][0] = a20; - r[2][1] = a21; - r[2][2] = a22; - - return; - -} -/*---------------------------------------------------------------------- -** -** -** 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. -** -*/ |