ergo
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00001 /* Ergo, version 3.2, a program for linear scaling electronic structure 00002 * calculations. 00003 * Copyright (C) 2012 Elias Rudberg, Emanuel H. Rubensson, and Pawel Salek. 00004 * 00005 * This program is free software: you can redistribute it and/or modify 00006 * it under the terms of the GNU General Public License as published by 00007 * the Free Software Foundation, either version 3 of the License, or 00008 * (at your option) any later version. 00009 * 00010 * This program is distributed in the hope that it will be useful, 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 * GNU General Public License for more details. 00014 * 00015 * You should have received a copy of the GNU General Public License 00016 * along with this program. If not, see <http://www.gnu.org/licenses/>. 00017 * 00018 * Primary academic reference: 00019 * KohnâSham Density Functional Theory Electronic Structure Calculations 00020 * with Linearly Scaling Computational Time and Memory Usage, 00021 * Elias Rudberg, Emanuel H. Rubensson, and Pawel Salek, 00022 * J. Chem. Theory Comput. 7, 340 (2011), 00023 * <http://dx.doi.org/10.1021/ct100611z> 00024 * 00025 * For further information about Ergo, see <http://www.ergoscf.org>. 00026 */ 00027 00028 #ifndef REALTYPEHEADER 00029 #define REALTYPEHEADER 00030 00031 #include "config.h" 00032 00033 #ifdef PRECISION_SINGLE 00034 typedef float ergo_real; 00035 typedef double ergo_long_real; 00036 #define REALTYPE_DEFINED_OK 00037 #endif 00038 00039 #ifdef PRECISION_DOUBLE 00040 typedef double ergo_real; 00041 typedef double ergo_long_real; 00042 #define REALTYPE_DEFINED_OK 00043 #endif 00044 00045 #ifdef PRECISION_LONG_DOUBLE 00046 typedef long double ergo_real; 00047 typedef long double ergo_long_real; 00048 #define REALTYPE_DEFINED_OK 00049 #endif 00050 00051 /* if precision not specified, use double as default */ 00052 #ifndef REALTYPE_DEFINED_OK 00053 typedef double ergo_real; 00054 typedef double ergo_long_real; 00055 #endif 00056 00057 #endif