1 /* 2 * Copyright (c) 2013, The University of Oxford 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 1. Redistributions of source code must retain the above copyright notice, 8 * this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright notice, 10 * this list of conditions and the following disclaimer in the documentation 11 * and/or other materials provided with the distribution. 12 * 3. Neither the name of the University of Oxford nor the names of its 13 * contributors may be used to endorse or promote products derived from this 14 * software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef OSKAR_COORDS_CONVERT_GALACTIC_TO_FK5_H_ 30 #define OSKAR_COORDS_CONVERT_GALACTIC_TO_FK5_H_ 31 32 /** 33 * @file oskar_convert_galactic_to_fk5.h 34 */ 35 36 #include <oskar_global.h> 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 /** 43 * @brief 44 * Convert Galactic to FK5 (J2000) equatorial coordinates (single precision). 45 * 46 * @details 47 * This function converts Galactic to FK5 (J2000) equatorial coordinates. 48 * 49 * @param[in] num_points The number of points to transform. 50 * @param[in] l The Galactic longitudes in radians. 51 * @param[in] b The Galactic latitudes in radians. 52 * @param[out] ra The FK5 (J2000) equatorial Right Ascensions in radians. 53 * @param[out] dec The FK5 (J2000) equatorial Declination in radians. 54 */ 55 OSKAR_EXPORT 56 void oskar_convert_galactic_to_fk5_f(int num_points, const float* l, 57 const float* b, float* ra, float* dec); 58 59 /** 60 * @brief 61 * Convert Galactic to FK5 (J2000) equatorial coordinates (double precision). 62 * 63 * @details 64 * This function converts Galactic to FK5 (J2000) equatorial coordinates. 65 * 66 * @param[in] num_points The number of points to transform. 67 * @param[in] l The Galactic longitudes in radians. 68 * @param[in] b The Galactic latitudes in radians. 69 * @param[out] ra The FK5 (J2000) equatorial Right Ascensions in radians. 70 * @param[out] dec The FK5 (J2000) equatorial Declination in radians. 71 */ 72 OSKAR_EXPORT 73 void oskar_convert_galactic_to_fk5_d(int num_points, const double* l, 74 const double* b, double* ra, double* dec); 75 76 #ifdef __cplusplus 77 } 78 #endif 79 80 #endif /* OSKAR_CONVERT_GALACTIC_TO_FK5_H_ */ 81