Overview
Comment:The solution vector (_ui) is no longer re-zeroed each step.
Retaining the previous value appears to give dramatically better performance.

Messages to the console are now buffered through clog instead of using cerr.

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SHA3-256: eb84d8e84bc7c3468edbd09108f190e3867511431202b71e7cd653b3f794f88f
User & Date: geraint@users.sourceforge.net on 2002-07-15 12:50:51
Other Links: branch diff | manifest | tags
Context
2002-07-15
17:00:36
Writes simulation time to shell when solution converges. check-in: 14e7fa093e user: geraint@users.sourceforge.net tags: origin/master, trunk
12:50:51
The solution vector (_ui) is no longer re-zeroed each step.
Retaining the previous value appears to give dramatically better performance.

Messages to the console are now buffered through clog instead of using cerr. check-in: eb84d8e84b user: geraint@users.sourceforge.net tags: origin/master, trunk

2002-07-14
19:02:51
Improved handling of new plot windows - multiplot and other options affect the new window instead of always controlling the first. check-in: ae9d5867bb user: geraint@users.sourceforge.net tags: origin/master, trunk
Changes
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Modified mttroot/mtt/lib/cc/mtt_AlgebraicSolver.cc from [ab49594ff5] to [021b3b02c0].

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{
  if (_nyz > 0)
    {
      _x = x;
      _uui.insert(u,0);
      _t = t;
      _par = par;
      _ui = ColumnVector(_nyz,0.0);
      Solve();
      _uui.insert(_ui,_nu);
    }
  else
    {
      _uui = u;
    }








<








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{
  if (_nyz > 0)
    {
      _x = x;
      _uui.insert(u,0);
      _t = t;
      _par = par;

      Solve();
      _uui.insert(_ui,_nu);
    }
  else
    {
      _uui = u;
    }
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Modified mttroot/mtt/lib/cc/mtt_Hybrd_Solver.cc from [478c947ac8] to [9ffbf825ef].

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      break;
    default:
      unknown_errors++;
      break;
    }
  if (1 != info)
    {
      std::cerr
	<< " time " << _t << " \t"
	<< " converge (" << convergences << ") "
	<< " limit (" << limit_errors << ")"
	<< " (max error = " << std::abs (eval(_ui).max()) << ")"
	<< " other (" << input_errors + user_errors + progress_errors + unknown_errors << ") "
	<< std::endl;
    }








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      break;
    default:
      unknown_errors++;
      break;
    }
  if (1 != info)
    {
      std::clog
	<< " time " << _t << " \t"
	<< " converge (" << convergences << ") "
	<< " limit (" << limit_errors << ")"
	<< " (max error = " << std::abs (eval(_ui).max()) << ")"
	<< " other (" << input_errors + user_errors + progress_errors + unknown_errors << ") "
	<< std::endl;
    }
︙︙

Modified mttroot/mtt/lib/cc/mtt_Solver.cc from [effe0746c4] to [bc6c28056d].

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		     const int nyz)
{
  _np  = npar; 
  _nu  = nu;
  _nx  = nx;
  _ny  = ny;
  _nyz = nyz;

  _uui = ColumnVector (_nu+_nyz);
};








>



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		     const int nyz)
{
  _np  = npar; 
  _nu  = nu;
  _nx  = nx;
  _ny  = ny;
  _nyz = nyz;
  _ui  = ColumnVector (_nyz,0.0);
  _uui = ColumnVector (_nu+_nyz);
};

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