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