CERunningDate.cpp

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/***************************************************************************
 *  CERunningDate.cpp: CppEphem                                            *
 * ----------------------------------------------------------------------- *
 *  Copyright © 2017 JCardenzana                                           *
 * ----------------------------------------------------------------------- *
 *                                                                         *
 *  This program 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 3 of the License, or      *
 *  (at your option) any later version.                                    *
 *                                                                         *
 *  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  *
 *                                                                         *
 ***************************************************************************/
 
#include <stdio.h>
 
#include "CERunningDate.h"
 
/**********************************************************************/
CERunningDate::CERunningDate() :
    CEDate()
{
    init_members();
}
 
 
/**********************************************************************/
CERunningDate::CERunningDate(const CERunningDate& other) :
    CEDate(other)
{
    init_members();
    copy_members(other);
}
 
 
/**********************************************************************/
CERunningDate::~CERunningDate()
{
    free_members();
}
 
 
/**********************************************************************/
CERunningDate& CERunningDate::operator=(const CERunningDate& other)
{
    if (this != &other) {
        this->CEDate::operator=(other);
        free_members();
        init_members();
        copy_members(other);
    }
    return *this;
}
 
/**********************************************************************/
double CERunningDate::JD() const
{
    // Get the current Julian date
    return CEDate::JD() + (ScaledRunTime()/86400.0) ;
}
 
/**********************************************************************/
double CERunningDate::MJD() const
{
    return CEDate::JD2MJD( this->JD() ) ;
}
 
/**********************************************************************/
double CERunningDate::Gregorian() const
{
    return CEDate::JD2Gregorian( this->JD() ) ;
}
 
 
/**********************************************************************/
double CERunningDate::RunTime() const
{
    // Get the current system time in nanoseconds
    std::chrono::nanoseconds cur_time(std::chrono::high_resolution_clock::now().time_since_epoch());
    std::chrono::nanoseconds start_time(start_.time_since_epoch());
 
    // Return the difference in seconds
    return (cur_time.count() - start_time.count())/1000000000.0;
}
 
 
//-------------------------------------------------
// PRIVATE METHODS
//-------------------------------------------------
 
 
/**********************************************************************/
void CERunningDate::copy_members(const CERunningDate& other)
{
    start_              = other.start_;
    timer_speed_factor_ = other.timer_speed_factor_;
}
 
 
/**********************************************************************/
void CERunningDate::init_members(void)
{
    start_              = std::chrono::high_resolution_clock::now();
    timer_speed_factor_ = 1.0;
}
 
 
/**********************************************************************/
void CERunningDate::free_members(void)
{
    return;
}