1 /* Ergo, version 3.8, a program for linear scaling electronic structure
2  * calculations.
3  * Copyright (C) 2019 Elias Rudberg, Emanuel H. Rubensson, Pawel Salek,
4  * and Anastasia Kruchinina.
5  *
6  * This program is free software: you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation, either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
18  *
19  * Primary academic reference:
20  * Ergo: An open-source program for linear-scaling electronic structure
21  * calculations,
22  * Elias Rudberg, Emanuel H. Rubensson, Pawel Salek, and Anastasia
23  * Kruchinina,
24  * SoftwareX 7, 107 (2018),
25  * <http://dx.doi.org/10.1016/j.softx.2018.03.005>
26  *
27  * For further information about Ergo, see <http://www.ergoscf.org>.
28  */
29 
30 /** @file grid_stream.h @brief Streaming grid generator. */
31 
32 #if !defined(_GRID_STREAM_H_)
33 #define _GRID_STREAM_H_ 1
34 
35 #include "sparse_matrix.h"
36 #include "grid_params.h"
37 
38 class ErgoGridStream;
39 
40 ErgoGridStream *grid_stream_new(const struct Dft::GridParams& ggs,
41 				const GridGenMolInfo& molInfo);
42 
43 void grid_stream_set_sparse_pattern(ErgoGridStream *stream,
44                                     Dft::SparsePattern *pattern);
45 
46 unsigned grid_stream_generate(ErgoGridStream *stream, const char *fname,
47 			      int noOfThreads);
48 
49 void grid_stream_free(ErgoGridStream *stream);
50 
51 #endif /* _GRID_STREAM_H_ */
52 
53