monomial_info.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 MONOMIAL_INFO_HEADER
00029 #define MONOMIAL_INFO_HEADER
00030 
00031 #include "polydegree.h"
00032 
00033 /* We need a monomial degree that is 4 times the highest
00034    basisfunction polynomial degree, to handle two-electron integrals. 
00035 */
00036 const int MONOMIAL_N_MAX = BASIS_FUNC_POLY_MAX_DEGREE*4;
00037 
00038 typedef struct
00039 {
00040   int ix;
00041   int iy;
00042   int iz;
00043 } monomial_struct;
00044 
00045 struct monomial_info_struct
00046 {
00047   int noOfMonomialsTot;
00048   monomial_struct* monomial_list;
00049   int no_of_monomials_list[MONOMIAL_N_MAX+1];
00050   int monomial_index_list[MONOMIAL_N_MAX+1][MONOMIAL_N_MAX+1][MONOMIAL_N_MAX+1];
00051   monomial_info_struct();
00052   ~monomial_info_struct();
00053 };
00054 
00055 #endif

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