ergo
realtype.h
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1/* Ergo, version 3.8.2, a program for linear scaling electronic structure
2 * calculations.
3 * Copyright (C) 2023 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
44typedef float ergo_real;
45typedef double ergo_long_real;
46#define REALTYPE_DEFINED_OK
47#endif
48
49#ifdef PRECISION_DOUBLE
50typedef double ergo_real;
51typedef double ergo_long_real;
52#define REALTYPE_DEFINED_OK
53#endif
54
55#ifdef PRECISION_LONG_DOUBLE
56typedef long double ergo_real;
57typedef long double ergo_long_real;
58#define REALTYPE_DEFINED_OK
59#endif
60
61#ifdef PRECISION_QUAD_FLT128
62typedef __float128 ergo_real;
63typedef __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
69typedef double ergo_real;
70typedef double ergo_long_real;
71#endif
72
73#endif
double ergo_real
Definition realtype.h:69
double ergo_long_real
Definition realtype.h:70