ergo
realtype.h
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1 /* Ergo, version 3.7, a program for linear scaling electronic structure
2  * calculations.
3  * Copyright (C) 2018 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 
38 #ifndef REALTYPEHEADER
39 #define REALTYPEHEADER
40 
41 #include "config.h"
42 
43 #ifdef PRECISION_SINGLE
44 typedef float ergo_real;
45 typedef double ergo_long_real;
46 #define REALTYPE_DEFINED_OK
47 #endif
48 
49 #ifdef PRECISION_DOUBLE
50 typedef double ergo_real;
51 typedef double ergo_long_real;
52 #define REALTYPE_DEFINED_OK
53 #endif
54 
55 #ifdef PRECISION_LONG_DOUBLE
56 typedef long double ergo_real;
57 typedef long double ergo_long_real;
58 #define REALTYPE_DEFINED_OK
59 #endif
60 
61 #ifdef PRECISION_QUAD_FLT128
62 typedef __float128 ergo_real;
63 typedef __float128 ergo_long_real;
64 #define REALTYPE_DEFINED_OK
65 #endif
66 
67 /* if precision not specified, use double as default */
68 #ifndef REALTYPE_DEFINED_OK
69 typedef double ergo_real;
70 typedef double ergo_long_real;
71 #endif
72 
73 #endif
double ergo_real
Definition: realtype.h:69
double ergo_long_real
Definition: realtype.h:70