/*------------------------------------------------------------\
|                                                             |
| Tool    :                  systemcass                       |
|                                                             |
| File    :                 sc_time.cc                        |
|                                                             |
| Author  :                 Buchmann Richard                  |
|                                                             |
| Date    :                   09_07_2004                      |
|                                                             |
\------------------------------------------------------------*/

/* 
 * This file is part of the Disydent Project
 * Copyright (C) Laboratoire LIP6 - Département ASIM
 * Universite Pierre et Marie Curie
 * 
 * Home page          : http://www-asim.lip6.fr/disydent
 * E-mail             : mailto:richard.buchmann@lip6.fr
 * 
 * This library is free software; you  can redistribute it and/or modify it
 * under the terms  of the GNU Library General Public  License as published
 * by the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 * 
 * Disydent 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 the GNU C Library; see the  file COPYING. If not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */


#include"sc_time.h"
#include <time.h>
#include <sys/time.h>
#include <string>
#include <sstream>

namespace sc_core {

static const char *const unit_repr_string[6] = 
{
	"FS", "PS", "NS", "US", "MS", "SEC"
};

uint64_t nb_cycles = 0;

const sc_time SC_ZERO_TIME(0,SC_NS);
sc_time SC_CURRENT_TIME(0,SC_NS);

sc_time::sc_time (const sc_time &t)
{
	*this = t;
}

sc_time::sc_time (double val, sc_time_unit tu)
{
  time = (uint64_t) val;
  unit = tu;
}


sc_time&
sc_time::operator = (const sc_time &t)
{
  time = t.time;
  unit = t.unit;
  return *this;
}


const std::string 
sc_time::to_string () const
{
	std::ostringstream o;
	o << time << ' ' << unit_repr_string[unit];
	return o.str();
}

} // end of sc_core namespace