// DoPhysics1.cc  --  Physicst code in module B for test of step1
//		      implementation of ErrorLogger mechanism.


#ifndef  ZMENVIRONMENT_H
  #include "ZMutility/ZMenvironment.h"
#endif


ZM_USING_NAMESPACE( zmel )


#include "frame1.h"
#include "DoPhysics1.h"

#include "ZMutility/iostream"
#include "ZMutility/sstream"
#include "ZMutility/iomanip"
USING( std::cout )
USING( std::endl )


//=============================================================================
//
//				PHYSICIST
//
//=============================================================================

DoPhysics::DoPhysics( const string & name )
: Module( name )						// $$ 10.2
{ }


void DoPhysics::operator()( Event & event )  {

  cout << "doing DoPhysics step 1" << endl;
  event.data *= 3;

  errlog( ELerror, "wrong data" ) << event.data << endmsg;

  errlog( ELsuccess, "Did step 1" ) << endmsg;

  cout << "doing DoPhysics step 2" << endl;
  int i;
  for ( i = 0;  i<6;  i += 2 )  {
    ostringstream ost;
    errlog( ELinfo, "i =" );
    errlog << i;
    event.data += i;

// Let's be adventurous and show the data in hex ...
//  just to show how one might do it.
//  The problem here is that g++ doesn't seem to have
//   a showbase manipulator!

//  ost << std::showbase << std::hex << event.data;
    ost << std::hex << event.data;
    errlog << " data = " << ost.str();
    errlog << endmsg;
  }
  event.data = event.data*event.data;

  errlog( ELsuccess, "Did step 2" ) << endmsg;

  cout << "data ends up as " << event.data << "\n\n";

}  // DoPhysics::operator()( )