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- /**********************************************************
-
- This software is part of J.-S. Caux's ABACUS library.
-
- Copyright (c) J.-S. Caux.
-
- -----------------------------------------------------------
-
- File: RAW_File_stats.cc
-
- Purpose: Analyzes the distribution of matrix element values in a RAW file,
- to help with optimization of the scanning procedure.
-
- ***********************************************************/
-
- #include "ABACUS.h"
-
- using namespace std;
- using namespace ABACUS;
-
-
- int main(int argc, char* argv[])
- {
-
- if (argc != 3) { // provide some info
-
- cout << endl << "Welcome to ABACUS\t(copyright J.-S. Caux)." << endl;
- cout << endl << "Usage of RAW_File_Stats executable: " << endl;
- cout << endl << "Provide the following arguments:" << endl << endl;
- cout << endl << "string RAW file name" << endl;
- cout << "int Aggregate size" << endl;
- }
-
- else { // correct nr of arguments
- const char* rawfilename = argv[1];
- int AgSize = atoi(argv[2]);
-
- if (AgSize < 2) ABACUSerror("Give an aggregate size > 1 in LiebLin_RAW_File_Stats.");
-
- ifstream RAW_infile;
- RAW_infile.open(rawfilename);
- if (RAW_infile.fail()) {
- cout << rawfilename << endl;
- ABACUSerror("Could not open RAW_infile... ");
- }
-
- stringstream STAT_stringstream; string STAT_string;
- STAT_stringstream << rawfilename << "_AgS_" << AgSize << "_stat";
- STAT_string = STAT_stringstream.str(); const char* STAT_Cstr = STAT_string.c_str();
-
- ofstream STATfile;
- STATfile.open(STAT_Cstr);
- if (STATfile.fail()) {
- cout << STAT_Cstr << endl; ABACUSerror("Could not open STATfile.");
- }
-
- DP omega;
- int iK;
- DP ME;
- DP dev;
- string label;
-
- int nread = 0;
-
- DP srcont = 0.0;
- DP abssrcont = 0.0;
- DP maxsrcont = 0.0;
- DP totsrcont = 0.0;
- DP accumulatedsrcont = 0.0;
- int naccounted = 0;
-
- while (RAW_infile.peek() != EOF) {
-
- RAW_infile >> omega >> iK >> ME >> dev >> label;
- nread++;
-
- srcont = ME * ME;
- abssrcont = fabs(srcont);
- maxsrcont = ABACUS::max(maxsrcont, abssrcont);
- totsrcont += srcont;
- accumulatedsrcont += srcont;
- naccounted++;
-
- if (naccounted >= AgSize) {
- STATfile << nread << "\t" << maxsrcont << "\t" << totsrcont/AgSize << "\t" << totsrcont/(AgSize * (maxsrcont > 0.0 ? maxsrcont : 1.0)) << "\t" << accumulatedsrcont << endl;
- naccounted = 0;
- maxsrcont = 0.0;
- totsrcont = 0.0;
- }
- }
-
- RAW_infile.close();
- STATfile.close();
- }
-
-
- return(0);
- }
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