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/* -*- c++ -*- */
/*
* Copyright 2007,2008 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio 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, or (at your option)
* any later version.
*
* GNU Radio 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <gnuradio/omni_time.h>
#include <gnuradio/omnithread.h>
#include <math.h>
#include <assert.h>
omni_time::omni_time(double real_secs)
{
double floor_secs = floor(real_secs);
d_secs = (long) floor_secs;
d_nsecs = (long) ((real_secs - floor_secs) * 1e9); // always positive
}
omni_time
omni_time::time(const omni_time &delta_t)
{
unsigned long abs_sec, abs_nsec;
unsigned long rel_sec = delta_t.d_secs;
unsigned long rel_nsec = delta_t.d_nsecs;
omni_thread::get_time(&abs_sec, &abs_nsec, rel_sec, rel_nsec);
return omni_time(abs_sec, abs_nsec);
}
omni_time
operator+(const omni_time &x, const omni_time &y)
{
omni_time r(x.d_secs + y.d_secs, x.d_nsecs + y.d_nsecs);
while (r.d_nsecs >= 1000000000){
r.d_nsecs -= 1000000000;
r.d_secs++;
}
return r;
}
omni_time
operator-(const omni_time &x, const omni_time &y)
{
// assert(!(x < y));
omni_time r(x.d_secs - y.d_secs, x.d_nsecs - y.d_nsecs);
while (r.d_nsecs < 0){
r.d_nsecs += 1000000000;
r.d_secs--;
}
return r;
}
omni_time
operator+(const omni_time &x, double y)
{
return x + omni_time(y);
}
omni_time
operator-(const omni_time &x, double y)
{
return x - omni_time(y);
}
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