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- /**********************************************************
-
- This software is part of J.-S. Caux's ABACUS library.
-
- Copyright (c).
-
- -----------------------------------------------------------
-
- File: JSC_NRG.h
-
- Purpose: Declares NRG-related classes and functions.
-
- ***********************************************************/
-
- #ifndef _NRG_
- #define _NRG_
-
- #include "JSC.h"
-
- namespace JSC {
-
- DP K_Weight_integrand (Vect_DP args); // weighing function for state selection
-
- //void Select_States_for_NRG (DP c_int, DP L, int N, int iKmin, int iKmax, int Nstates_required, bool symmetric_states, int iKmod,
- // int weighing_option, DP (*weight_integrand_fn) (Vect_DP), Vect_DP& args_to_weight_integrand);
- void Select_States_for_NRG (DP c_int, DP L, int N, int iKmin, int iKmax, int Nstates_required, bool symmetric_states, int iKmod,
- //int weighing_option, DP (*weight_integrand_fn) (Vect_DP), Vect_DP& args_to_weight_integrand)
- int weighing_option, Vect<complex <DP> >& FT_of_potential);
-
- void Build_DFF_Matrix_Block_for_NRG (DP c_int, DP L, int N, int iKmin, int iKmax, int Nstates_required, bool symmetric_states, int iKmod,
- int weighing_option, int label_left_begin, int label_left_end, int label_right_begin, int label_right_end,
- int block_option, DP* DFF_block_1, DP* DFF_block_2, Vect_DP Kweight);
-
- }
-
- #endif // _NRG_
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