t8_forest_geometrical.h

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/*
  This file is part of t8code.
  t8code is a C library to manage a collection (a forest) of multiple
  connected adaptive space-trees of general element classes in parallel.
 
  Copyright (C) 2015 the developers
 
  t8code is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.
 
  t8code is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
 
  You should have received a copy of the GNU General Public License
  along with t8code; if not, write to the Free Software Foundation, Inc.,
  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
 
/* TODO: begin documenting this file: make doxygen 2>&1 | grep t8_forest */
 
#ifndef T8_FOREST_GEOMETRICAL_H
#define T8_FOREST_GEOMETRICAL_H
 
#include <sc_statistics.h>
#include <t8_cmesh.h>
T8_EXTERN_C_BEGIN ();
 
void
t8_forest_element_coordinate (t8_forest_t forest, t8_locidx_t ltree_id, const t8_element_t *element, int corner_number,
                              double *coordinates);
 
void
t8_forest_element_from_ref_coords_ext (t8_forest_t forest, t8_locidx_t ltreeid, const t8_element_t *element,
                                       const double *ref_coords, const size_t num_coords, double *coords_out,
                                       const double *stretch_factors);
 
void
t8_forest_element_from_ref_coords (t8_forest_t forest, t8_locidx_t ltreeid, const t8_element_t *element,
                                   const double *ref_coords, const size_t num_coords, double *coords_out);
 
void
t8_forest_element_centroid (t8_forest_t forest, t8_locidx_t ltreeid, const t8_element_t *element, double *coordinates);
 
double
t8_forest_element_diam (t8_forest_t forest, t8_locidx_t ltreeid, const t8_element_t *element);
 
double
t8_forest_element_volume (t8_forest_t forest, t8_locidx_t ltreeid, const t8_element_t *element);
 
double
t8_forest_element_face_area (t8_forest_t forest, t8_locidx_t ltreeid, const t8_element_t *element, int face);
 
void
t8_forest_element_face_centroid (t8_forest_t forest, t8_locidx_t ltreeid, const t8_element_t *element, int face,
                                 double centroid[3]);
 
void
t8_forest_element_face_normal (t8_forest_t forest, t8_locidx_t ltreeid, const t8_element_t *element, int face,
                               double normal[3]);
 
T8_EXTERN_C_END ();
 
#endif /* !T8_FOREST_GEOMETRICAL_H */