ssol_ranst_sun_dir.h (1876B)
1 /* Copyright (C) 2018-2026 |Meso|Star> (contact@meso-star.com) 2 * Copyright (C) 2016, 2018 CNRS 3 * 4 * This program is free software: you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation, either version 3 of the License, or 7 * (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program. If not, see <http://www.gnu.org/licenses/>. */ 16 17 #ifndef SSOL_RANST_SUN_DIR_H 18 #define SSOL_RANST_SUN_DIR_H 19 20 /* External types */ 21 struct ssp_rng; 22 struct mem_allocator; 23 24 /* Random variate state of a sun direction */ 25 struct ranst_sun_dir; 26 27 extern LOCAL_SYM res_T 28 ranst_sun_dir_create 29 (struct mem_allocator* allocator, 30 struct ranst_sun_dir** ran); 31 32 extern LOCAL_SYM res_T 33 ranst_sun_dir_ref_get 34 (struct ranst_sun_dir* ran); 35 36 extern LOCAL_SYM res_T 37 ranst_sun_dir_ref_put 38 (struct ranst_sun_dir* ran); 39 40 extern LOCAL_SYM double* 41 ranst_sun_dir_get 42 (const struct ranst_sun_dir* ran, 43 struct ssp_rng* rng, 44 double dir[3]); 45 46 extern LOCAL_SYM res_T 47 ranst_sun_dir_buie_setup 48 (struct ranst_sun_dir* ran, 49 const double param, 50 const double dir[3]); 51 52 extern LOCAL_SYM res_T 53 ranst_sun_dir_pillbox_setup 54 (struct ranst_sun_dir* ran, 55 const double theta_max, /* In radians */ 56 const double dir[3]); 57 58 extern LOCAL_SYM res_T 59 ranst_sun_dir_gaussian_setup 60 (struct ranst_sun_dir* ran, 61 const double std_dev, 62 const double dir[3]); 63 64 extern LOCAL_SYM res_T 65 ranst_sun_dir_dirac_setup 66 (struct ranst_sun_dir* ran, 67 const double dir[3]); 68 69 #endif /* SSOL_RANST_SUN_DIR_H */ 70