ergo
integrals_2el_coulomb.h
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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  * Kohn−Sham 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_COULOMB_HEADER
00029 #define INTEGRALS_2EL_COULOMB_HEADER
00030 
00031 
00032 #include "basisinfo.h"
00033 #include "integrals_2el.h"
00034 #include "basis_func_pair_list.h"
00035 
00036 
00037 int
00038 compute_J_by_boxes(const BasisInfoStruct & basisInfo,
00039                    const IntegralInfo* integralInfo,
00040                    const JK::Params& J_K_params,
00041                    ergo_real* J,
00042                    const ergo_real* dens);
00043 
00044 int
00045 compute_J_by_boxes_nosymm(const BasisInfoStruct & basisInfo,
00046                           const IntegralInfo* integralInfo,
00047                           const JK::Params& J_K_params,
00048                           ergo_real* J,
00049                           const ergo_real* dens);
00050 
00051 int
00052 compute_J_by_boxes_linear(const BasisInfoStruct & basisInfo,
00053                           const IntegralInfo* integralInfo,
00054                           const JK::Params& J_K_params,
00055                           const basis_func_index_pair_struct* basisFuncIndexPairList,
00056                           int basisFuncIndexPairCount,
00057                           const ergo_real* D_list,
00058                           ergo_real* result_J_list,
00059                           int noOfBasisFuncIndexPairs);
00060 
00061 
00062 #endif