1 /* Copyright (C) 2008 Atsushi Togo */
2 /* All rights reserved. */
3 
4 /* This file is part of spglib. */
5 
6 /* Redistribution and use in source and binary forms, with or without */
7 /* modification, are permitted provided that the following conditions */
8 /* are met: */
9 
10 /* * Redistributions of source code must retain the above copyright */
11 /*   notice, this list of conditions and the following disclaimer. */
12 
13 /* * Redistributions in binary form must reproduce the above copyright */
14 /*   notice, this list of conditions and the following disclaimer in */
15 /*   the documentation and/or other materials provided with the */
16 /*   distribution. */
17 
18 /* * Neither the name of the phonopy project nor the names of its */
19 /*   contributors may be used to endorse or promote products derived */
20 /*   from this software without specific prior written permission. */
21 
22 /* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */
23 /* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */
24 /* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS */
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34 
35 #ifndef __kpoint_H__
36 #define __kpoint_H__
37 
38 #include "mathfunc.h"
39 
40 int kpt_get_irreducible_reciprocal_mesh(int grid_address[][3],
41 					int map[],
42 					const int mesh[3],
43 					const int is_shift[3],
44 					const MatINT *rot_reciprocal);
45 int kpt_get_stabilized_reciprocal_mesh(int grid_address[][3],
46 				       int map[],
47 				       const int mesh[3],
48 				       const int is_shift[3],
49 				       const int is_time_reversal,
50 				       const MatINT * rotations,
51 				       const int num_q,
52 				       SPGCONST double qpoints[][3]);
53 void kpt_get_grid_points_by_rotations(int rot_grid_points[],
54 				      const int address_orig[3],
55 				      const MatINT * rot_reciprocal,
56 				      const int mesh[3],
57 				      const int is_shift[3]);
58 void kpt_get_BZ_grid_points_by_rotations(int rot_grid_points[],
59 					 const int address_orig[3],
60 					 const MatINT * rot_reciprocal,
61 					 const int mesh[3],
62 					 const int is_shift[3],
63 					 const int bz_map[]);
64 int kpt_relocate_BZ_grid_address(int bz_grid_address[][3],
65 				 int bz_map[],
66 				 SPGCONST int grid_address[][3],
67 				 const int mesh[3],
68 				 SPGCONST double rec_lattice[3][3],
69 				 const int is_shift[3]);
70 MatINT *kpt_get_point_group_reciprocal(const MatINT * rotations,
71 				       const int is_time_reversal);
72 MatINT *kpt_get_point_group_reciprocal_with_q(const MatINT * rot_reciprocal,
73 					      const double symprec,
74 					      const int num_q,
75 					      SPGCONST double qpoints[][3]);
76 
77 #endif
78