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/***************************************************************************
gdata.cc - description
-------------------
begin : Wed Jul 19 2000
copyright : (C) 2000 by Erik Schnetter
email : schnetter@astro.psu.edu
$Header: /home/eschnett/C/carpet/Carpet/Carpet/CarpetLib/src/gdata.cc,v 1.20 2002/09/25 15:49:16 schnetter Exp $
***************************************************************************/
/***************************************************************************
* *
* 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 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include <assert.h>
#include <iostream>
#include "cctk.h"
#include "bbox.hh"
#include "defs.hh"
#include "dist.hh"
#include "vect.hh"
#include "gdata.hh"
using namespace std;
// Constructors
template<int D>
generic_data<D>::generic_data ()
{ }
// Destructors
template<int D>
generic_data<D>::~generic_data () { }
// Data manipulators
template<int D>
void generic_data<D>::copy_from (const generic_data* src, const ibbox& box)
{
assert (has_storage() && src->has_storage());
assert (all(box.lower()>=extent().lower()
&& box.lower()>=src->extent().lower()));
assert (all(box.upper()<=extent().upper()
&& box.upper()<=src->extent().upper()));
assert (all(box.stride()==extent().stride()
&& box.stride()==src->extent().stride()));
assert (all((box.lower()-extent().lower())%box.stride() == 0
&& (box.lower()-src->extent().lower())%box.stride() == 0));
if (proc() == src->proc()) {
// copy on same processor
int rank;
MPI_Comm_rank (dist::comm, &rank);
if (rank == proc()) {
copy_from_innerloop (src, box);
}
} else {
// copy to different processor
generic_data* const tmp = make_typed();
tmp->allocate (box, src->proc());
tmp->copy_from (src, box);
tmp->change_processor (proc());
copy_from (tmp, box);
delete tmp;
}
}
template<int D>
void generic_data<D>
::interpolate_from (const vector<const generic_data*> srcs,
const vector<CCTK_REAL> times,
const ibbox& box, const CCTK_REAL time,
const int order_space,
const int order_time)
{
assert (has_storage());
assert (all(box.lower()>=extent().lower()));
assert (all(box.upper()<=extent().upper()));
assert (all(box.stride()==extent().stride()));
assert (all((box.lower()-extent().lower())%box.stride() == 0));
assert (srcs.size() == times.size() && srcs.size()>0);
for (int t=0; t<(int)srcs.size(); ++t) {
assert (srcs[t]->has_storage());
assert (all(box.lower()>=srcs[t]->extent().lower()));
assert (all(box.upper()<=srcs[t]->extent().upper()));
}
if (proc() == srcs[0]->proc()) {
// interpolate on same processor
int rank;
MPI_Comm_rank (dist::comm, &rank);
if (rank == proc()) {
interpolate_from_innerloop
(srcs, times, box, time, order_space, order_time);
}
} else {
// interpolate from other processor
generic_data* const tmp = make_typed();
tmp->allocate (box, srcs[0]->proc());
tmp->interpolate_from (srcs, times, box, time, order_space, order_time);
tmp->change_processor (proc());
copy_from (tmp, box);
delete tmp;
}
}
template class generic_data<3>;
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