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 INTEGRALS_2EL_REPEATING 00029 #define INTEGRALS_2EL_REPEATING 00030 00031 00032 #include "basisinfo.h" 00033 00034 class IntegratorCase 00035 { 00036 public: 00037 IntegratorCase(int Nmax_in, 00038 int noOfMonomials, 00039 ergo_real exponent_in, 00040 const ergo_real* newList); 00041 ~IntegratorCase(); 00042 int Nmax; 00043 ergo_real exponent; 00044 ergo_real* list; 00045 }; 00046 00047 class IntegratorWithMemory 00048 { 00049 public: 00050 explicit IntegratorWithMemory(const IntegralInfo* b); 00051 ~IntegratorWithMemory(); 00052 00053 ergo_real do_2e_integral(const DistributionSpecStruct* psi); 00054 00055 private: 00056 const IntegralInfo* integralInfo; 00057 int noOfCases; 00058 IntegratorCase** caseList; 00059 }; 00060 00061 00062 00063 #endif