/*
    DFT++ is a density functional package developed by the research group
    of Professor Tomas Arias

    Copyright 1996-2003 Sohrab Ismail-Beigi

    This file is part of DFT++.

    DFT++ is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    DFT++ is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with DFT++; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    Please see the file CREDITS for a list of authors.

    For academic users, we request that publications using results obtained with
    this software reference

    "New algebraic formulation of density functional calculation," by Sohrab Ismail-Beigi
    and T.A. Arias, Computer Physics Communications 128:1-2, 1-45 (June 2000).

    and, if using the wavelet basis, further reference

    "Multiresolution analysis of electronic structure: semicardinal and wavelet bases,"
    T.A. Arias, Reviews of Modern Physics 71:1, 267-311 (January 1999).

    and 

    "Robust ab initio calculation of condensed matter: transparent convergence through
    semicardinal multiresolution analysis,'' I.P. Daykov, T.A. Arias, and
    Torkel D. Engeness, Physical Review Letters, 90:21, 216402 (May 2003).

    For your convenience, preprints of the above articles may be obtained from
    http://arXiv.org/abs/cond-mat/9909130, 9805262, and 0204411, respectively.
*/

/*
 * Sohrab Ismail-Beigi,   Aug. 29 1997
 *
 * Dump the electronic variables to disk files.
 *
 */

/* $Id: dump.cpp,v 1.10.2.5 2003/05/29 18:54:22 ivan Exp $ */

#include <time.h>
#include "header.h"

/*
 * Dumps the specified electronic variables to disk and time stamps them.
 */
void dump_and_stamp_variables(Everything &everything)
{
  Elecinfo &elecinfo = everything.elecinfo;
  Elecvars &elecvars = everything.elecvars;

  time_t timenow;
  struct tm *mytm;
  char stamp[DFT_MSG_LEN],fname[DFT_FILENAME_LEN];

  /* Set up date/time stamp */
  timenow = time(0);
  mytm = localtime(&timenow);
  sprintf(stamp,"%d.%d.%d-%d-%d",
	  mytm->tm_mon+1,mytm->tm_mday,
	  mytm->tm_hour,mytm->tm_min,mytm->tm_sec);

  /* Dump the data! */

  if (*elecvars.C)
    {
      sprintf(fname,"C.%s",stamp);
      dft_log("Dumping '%s'...",fname);
      dft_log_flush();
      write_ColumnBundle_array(fname,elecinfo.nstates,elecvars.C);
      dft_log("done.\n");
      dft_log_flush();
    }

  if (elecvars.n.data.d)
    {  
      sprintf(fname,"n.%s",stamp);
      dft_log("Dumping '%s'...",fname);
      dft_log_flush();
      elecvars.n.write(fname);
      dft_log("done.\n");
      dft_log_flush();
    }

  if (elecvars.n_up.data.d)
    {  
      sprintf(fname,"n_up.%s",stamp);
      dft_log("Dumping '%s'...",fname);
      dft_log_flush();
      elecvars.n_up.write(fname);
      dft_log("done.\n");
      dft_log_flush();
    }

  if (elecvars.n_dn.data.d)
    {  
      sprintf(fname,"n_dn.%s",stamp);
      dft_log("Dumping '%s'...",fname);
      dft_log_flush();
      elecvars.n_dn.write(fname);
      dft_log("done.\n");
      dft_log_flush();
    }

  if (elecvars.d.data.d)
    {
      sprintf(fname,"d.%s",stamp);
      dft_log("Dumping '%s'...",fname);
      dft_log_flush();
      elecvars.d.write(fname);
      dft_log("done.\n");
      dft_log_flush();
    }

  if (elecvars.Vlocpot.data.d)
    {
      sprintf(fname,"Vlocps.%s",stamp);
      dft_log("Dumping '%s'...",fname);
      dft_log_flush();
      elecvars.Vlocpot.write(fname);
      dft_log("done.\n");
      dft_log_flush();
    }

  if (elecvars.Vscloc.data.d)
    {
      sprintf(fname,"Vscloc.%s",stamp);
      dft_log("Dumping '%s'...",fname);
      dft_log_flush();
      elecvars.Vscloc.write(fname);
      dft_log("done.\n");
      dft_log_flush();
    }

  if (elecvars.Vscloc_up.data.d)
    {
      sprintf(fname,"Vscloc_up.%s",stamp);
      dft_log("Dumping '%s'...",fname);
      dft_log_flush();
      elecvars.Vscloc_up.write(fname);
      dft_log("done.\n");
      dft_log_flush();
    }

  if (elecvars.Vscloc_dn.data.d)
    {
      sprintf(fname,"Vscloc_dn.%s",stamp);
      dft_log("Dumping '%s'...",fname);
      dft_log_flush();
      elecvars.Vscloc_dn.write(fname);
      dft_log("done.\n");
      dft_log_flush();
    }

  /*
  if (elecvars.Hsub_evecs)
    {
      sprintf(fname,"Hsub_evecs.%s",stamp);
      dft_log("Dumping '%s'...",fname);
      dft_log_flush();
      write_matrix_array(fname,elecinfo.nstates,elecvars.Hsub_evecs);
      dft_log("done.\n");
      dft_log_flush();
    }

  if (elecinfo.calc_fillings)
    {
      sprintf(fname,"F.%s",stamp);
      Output fillingsfile(fname);
      elecinfo.print_fillings(&fillingsfile,dft_global_log);
    }
  */

  if (elecinfo.calc_fillings){
    sprintf(fname,"F.%s",stamp);
    dft_log("Dumping '%s'...",fname);
    Output fillingsfile(fname);
    for (int q=0; q < elecinfo.nstates; q++)
      elecvars.states[q].F.print_real(&fillingsfile);
    dft_log("done.\n");
  }

  /* ipd 09/09/02: this one looks buggy 
  if (everything.cntrl.band_structure_flag == TRUE){
      sprintf(fname,"eigenvals.%s",stamp);
      dft_log("Dumping '%s'...",fname);
      Output eigenvals(fname);
      for (int q=0; q < elecinfo.nstates; q++) {
        for (int b=0; b < elecinfo.nbands; b++)
          eigenvals.printf("%18.10le ",
                           everything.elecvars.states[q].Hsub_eigs[b]);
        eigenvals.printf("\n");
      }
      dft_log("done.\n");
      dft_log_flush();
    }
  */
}