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- /**********************************************************
-
- This software is part of J.-S. Caux's ABACUS library.
-
- Copyright (c) J.-S. Caux.
-
- -----------------------------------------------------------
-
- File: LiebLin_DSF_GeneralState.cc
-
- Purpose: function for ABACUS for LiebLin gas, on general states
-
- ***********************************************************/
-
- #include "ABACUS.h"
-
- using namespace std;
- using namespace ABACUS;
-
-
- int main(int argc, char* argv[])
- {
-
- if (argc != 11) { // provide some info
-
- cout << endl << "Welcome to ABACUS\t(copyright J.-S. Caux)." << endl;
- cout << endl << "Usage of LiebLin_DSF_Tgt0 executable: " << endl;
- cout << endl << "Provide the following arguments:" << endl << endl;
- cout << "char whichDSF \t\t Which structure factor should be calculated ? Options are: d for rho rho, g for psi psi{dagger}, o for psi{dagger} psi" << endl;
- cout << "DP c_int \t\t Value of the interaction parameter: use positive real values only" << endl;
- cout << "DP L \t\t\t Length of the system: use positive real values only" << endl;
- cout << "int N \t\t\t Number of particles: use positive integer values only" << endl;
- cout << "char* defaultScanStatename:\t\t file [].Ix2 contains the quantum numbers defining the AveragingState; used as defaultScanStatename" << endl;
- cout << "int iKmin" << endl << "int iKmax \t\t Min and max momentum integers to scan over: recommended values: -2*N and 2*N" << endl;
- //cout << "DP kBT \t\t Temperature (positive only of course)" << endl;
- cout << "int Max_Secs \t\t Allowed computational time: (in seconds)" << endl;
- cout << "DP target_sumrule \t sumrule saturation you're satisfied with" << endl;
- cout << "bool refine \t\t Is this a refinement of earlier calculations ? (0 == false, 1 == true)" << endl;
- cout << endl << "EXAMPLE: " << endl << endl;
- cout << "LiebLin_DSF d 1.0 100.0 100 0 200 0.56 600 1.0 0" << endl << endl;
- }
-
- else { // (argc == 10), correct nr of arguments
- int n = 1;
- char whichDSF = *argv[n++];
- DP c_int = atof(argv[n++]);
- DP L = atof(argv[n++]);
- int N = atoi(argv[n++]);
- char* Ix2filenameprefix = argv[n++];
- int iKmin = atoi(argv[n++]);
- int iKmax = atoi(argv[n++]);
- //DP kBT = atof(argv[n++]);
- int Max_Secs = atoi(argv[n++]);
- DP target_sumrule = atof(argv[n++]);
- bool refine = (atoi(argv[n++]) == 1);
-
- // Read the Ix2 from the file:
- Vect<int> Ix2_input(N);
- ifstream Ix2_input_file;
- stringstream filenamestrstream;
- filenamestrstream << Ix2filenameprefix;
- string defaultScanStatename = filenamestrstream.str();
- filenamestrstream << ".Ix2";
- string filenamestr = filenamestrstream.str();
- const char* filename_Cstr = filenamestr.c_str();
- Ix2_input_file.open(filename_Cstr);
- if (Ix2_input_file.fail()) {
- cout << filename_Cstr << endl;
- ABACUSerror("Could not open Ix2 input file in LiebLin_DSF_GeneralState");
- }
- for (int i = 0; i < N; ++i) {
- Ix2_input_file >> Ix2_input[i];
- //cout << i << "\t" << Ix2_input[i] << endl;
- }
-
- // Now define the AveragingState
- LiebLin_Bethe_State AveragingState(c_int, L, N);
- AveragingState.Ix2 = Ix2_input;
- AveragingState.Compute_All(true);
-
- //cout << "Averaging state: " << AveragingState << endl;
-
- //Scan_LiebLin (whichDSF, c_int, L, N, iKmin, iKmax, kBT, Max_Secs, target_sumrule, refine, 0, 1);
- //Scan_LiebLin (whichDSF, c_int, L, N, iKmin, iKmax, kBT, Max_Secs, target_sumrule, refine);
-
- //void Scan_LiebLin (char whichDSF, LiebLin_Bethe_State AveragingState, string defaultScanStatename, int iKmin, int iKmax,
- // int Max_Secs, DP target_sumrule, bool refine, int paralevel, Vect<int> rank, Vect<int> nr_processors)
- // Simplified function call of the above:
- //void Scan_LiebLin (char whichDSF, LiebLin_Bethe_State AveragingState, string defaultScanStatename, int iKmin, int iKmax,
- // int Max_Secs, DP target_sumrule, bool refine)
- Scan_LiebLin (whichDSF, AveragingState, defaultScanStatename, iKmin, iKmax, Max_Secs, target_sumrule, refine);
-
- }
-
- return(0);
- }
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