ergo
realtype.h
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1 /* Ergo, version 3.4, a program for linear scaling electronic structure
2  * calculations.
3  * Copyright (C) 2014 Elias Rudberg, Emanuel H. Rubensson, and Pawel Salek.
4  *
5  * This program is free software: you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation, either version 3 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
17  *
18  * Primary academic reference:
19  * Kohn−Sham Density Functional Theory Electronic Structure Calculations
20  * with Linearly Scaling Computational Time and Memory Usage,
21  * Elias Rudberg, Emanuel H. Rubensson, and Pawel Salek,
22  * J. Chem. Theory Comput. 7, 340 (2011),
23  * <http://dx.doi.org/10.1021/ct100611z>
24  *
25  * For further information about Ergo, see <http://www.ergoscf.org>.
26  */
27 
28 #ifndef REALTYPEHEADER
29 #define REALTYPEHEADER
30 
31 #include "config.h"
32 
33 #ifdef PRECISION_SINGLE
34 typedef float ergo_real;
35 typedef double ergo_long_real;
36 #define REALTYPE_DEFINED_OK
37 #endif
38 
39 #ifdef PRECISION_DOUBLE
40 typedef double ergo_real;
41 typedef double ergo_long_real;
42 #define REALTYPE_DEFINED_OK
43 #endif
44 
45 #ifdef PRECISION_LONG_DOUBLE
46 typedef long double ergo_real;
47 typedef long double ergo_long_real;
48 #define REALTYPE_DEFINED_OK
49 #endif
50 
51 /* if precision not specified, use double as default */
52 #ifndef REALTYPE_DEFINED_OK
53 typedef double ergo_real;
54 typedef double ergo_long_real;
55 #endif
56 
57 #endif
double ergo_real
Definition: realtype.h:53
double ergo_long_real
Definition: realtype.h:54