00001 /* Ergo, version 3.7, a program for linear scaling electronic structure 00002 * calculations. 00003 * Copyright (C) 2018 Elias Rudberg, Emanuel H. Rubensson, Pawel Salek, 00004 * and Anastasia Kruchinina. 00005 * 00006 * This program is free software: you can redistribute it and/or modify 00007 * it under the terms of the GNU General Public License as published by 00008 * the Free Software Foundation, either version 3 of the License, or 00009 * (at your option) any later version. 00010 * 00011 * This program is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 * GNU General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU General Public License 00017 * along with this program. If not, see <http://www.gnu.org/licenses/>. 00018 * 00019 * Primary academic reference: 00020 * Ergo: An open-source program for linear-scaling electronic structure 00021 * calculations, 00022 * Elias Rudberg, Emanuel H. Rubensson, Pawel Salek, and Anastasia 00023 * Kruchinina, 00024 * SoftwareX 7, 107 (2018), 00025 * <http://dx.doi.org/10.1016/j.softx.2018.03.005> 00026 * 00027 * For further information about Ergo, see <http://www.ergoscf.org>. 00028 */ 00029 00038 #ifndef REALTYPEHEADER 00039 #define REALTYPEHEADER 00040 00041 #include "config.h" 00042 00043 #ifdef PRECISION_SINGLE 00044 typedef float ergo_real; 00045 typedef double ergo_long_real; 00046 #define REALTYPE_DEFINED_OK 00047 #endif 00048 00049 #ifdef PRECISION_DOUBLE 00050 typedef double ergo_real; 00051 typedef double ergo_long_real; 00052 #define REALTYPE_DEFINED_OK 00053 #endif 00054 00055 #ifdef PRECISION_LONG_DOUBLE 00056 typedef long double ergo_real; 00057 typedef long double ergo_long_real; 00058 #define REALTYPE_DEFINED_OK 00059 #endif 00060 00061 #ifdef PRECISION_QUAD_FLT128 00062 typedef __float128 ergo_real; 00063 typedef __float128 ergo_long_real; 00064 #define REALTYPE_DEFINED_OK 00065 #endif 00066 00067 /* if precision not specified, use double as default */ 00068 #ifndef REALTYPE_DEFINED_OK 00069 typedef double ergo_real; 00070 typedef double ergo_long_real; 00071 #endif 00072 00073 #endif