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// patch.cc -- describes a coordinate/grid patch
// $Id$
//
// patch::patch
// patch::~patch
// z_patch::z_patch
// x_patch::x_patch
// y_patch::y_patch
//
// patch::setup_mirror_sym_ghost_zone
// patch::setup_periodic_BC_ghost_zone
// patch::setup_interpatch_ghost_zone
// patch::setup_other_patch_frontier
// patch::setup_patch_frontier
// patch::border_on_edge
//
#include <stdio.h>
#include <assert.h>
#include <math.h>
#include "jt/stdc.h"
#include "jt/util.hh"
#include "policy.hh"
#include "fp.hh"
#include "misc.hh"
#include "coords.hh"
#include "gfa.hh"
#include "gridfn.hh"
#include "grid.hh"
#include "fd_grid.hh"
#include "patch.hh"
#include "patch_bndry.hh"
//*****************************************************************************
//*****************************************************************************
//*****************************************************************************
//
// This function constructs a patch object.
//
patch::patch(patch_system &my_patch_system_in, int patch_number_in,
const char *name_in, bool is_plus_in, char ctype_in,
local_coords::coords_set coords_set_rho_in,
coords_set_sigma_in,
coords_set_tau_in,
const grid_arrays::array_pars& grid_array_pars_in,
const grid::grid_pars& grid_pars_in,
int N_gridfns_in)
: fd_grid(grid_array_pars_in, gride_pars_in, N_gridfns_in),
my_patch_system_(my_patch_system_in), patch_number_(patch_number_in),
name_(name_in), is_plus_(is_plus_in), ctype_(ctype_in),
coords_set_rho_ (coords_set_rho_in ),
coords_set_sigma_(coords_set_sigma_in),
coords_set_tau_ (coords_set_tau_in ),
min_rho_patch_edge_ (*new patch_edge(*this, side_min, side_rho )),
max_rho_patch_edge_ (*new patch_edge(*this, side_max, side_rho )),
min_sigma_patch_edge_(*new patch_edge(*this, side_min, side_sigma)),
max_sigma_patch_edge_(*new patch_edge(*this, side_max, side_sigma)),
min_rho_patch_frontier_(NULL),
max_rho_patch_frontier_(NULL),
min_sigma_patch_frontier_(NULL),
max_sigma_patch_frontier_(NULL),
min_rho_ghost_zone_(NULL),
max_rho_ghost_zone_(NULL),
min_sigma_ghost_zone_(NULL),
max_sigma_ghost_zone_(NULL) // no comma
{ }
//*****************************************************************************
//
// This function destroys a patch object.
//
patch::~patch()
{
// no need to check for null pointers, since delete NULL is a silent no-op
delete max_sigma_ghost_zone_;
delete min_sigma_ghost_zone_;
delete max_rho_ghost_zone_;
delete min_rho_ghost_zone_;
delete max_sigma_patch_frontier_;
delete min_sigma_patch_frontier_;
delete max_rho_patch_frontier_;
delete min_rho_patch_frontier_;
delete max_sigma_patch_edge_;
delete min_sigma_patch_edge_;
delete max_rho_patch_edge_;
delete min_rho_patch_edge_;
}
//*****************************************************************************
//
// This function constructs a z_patch object.
//
z_patch::z_patch(patch_system &my_patch_system_in, int patch_number_in,
const char *name_in, bool is_plus_in,
const grid_arrays::array_pars& grid_array_pars_in,
const grid::grid_pars& grid_pars_in,
int N_gridfns_in)
: patch(my_patch_system_in, patch_number_in,
name_in, is_plus_in, 'z',
local_coords::set_mu, local_coords::set_nu,
local_coords::set_phi,
grid_array_pars_in, pars_in, N_gridfns_in)
{ }
//*****************************************************************************
//
// This function constructs an x_patch object.
//
x_patch::x_patch(patch_system &my_patch_system_in, int patch_number_in,
const char *name_in, bool is_plus_in,
const grid_arrays::array_pars& grid_array_pars_in,
const grid::grid_pars& grid_pars_in,
int N_gridfns_in)
: patch(my_patch_system_in, patch_number_in,
name_in, is_plus_in, 'x',
local_coords::set_nu, local_coords::set_phi,
local_coords::set_mu,
grid_array_pars_in, pars_in, N_gridfns_in)
//*****************************************************************************
//
// This function constructs a y_patch object.
//
y_patch::y_patch(patch_system &my_patch_system_in, int patch_number_in,
const char *name_in, bool is_plus_in,
const grid_arrays::array_pars& grid_array_pars_in,
const grid::grid_pars& grid_pars_in,
int N_gridfns_in)
: patch(my_patch_system_in, patch_number_in,
name_in, is_plus_in, 'y',
local_coords::set_mu, local_coords::set_phi,
local_coords::set_nu,
grid_array_pars_in, pars_in, N_gridfns_in)
//*****************************************************************************
//*****************************************************************************
//*****************************************************************************
//
// This function sets up a mirror-symmetry angular border of this patch.
//
void patch::setup_mirror_sym_ghost_zone(const patch_edge& edge_in)
{
// make sure we belong to the right patch
assert(& edge_in.this_patch() == this);
symmetry_ghost_zone *temp = new symmetry_ghost_zone(edge_in);
symmetry_ghost_zones_array_[N_symmetry_ghost_zones_++] = temp;
// assignment converts to ptr to base class ghost_zone::
// FIXME: the decode here is ugly; an array would be cleaner...
if (edge_in.edge_is_min())
then if (edge_in.edge_is_rho())
then min_rho_ghost_zone_ = temp;
else min_sigma_ghost_zone_ = temp;
else if (edge_in.edge_is_rho())
then max_rho_ghost_zone_ = temp;
else max_sigma_ghost_zone_ = temp;
}
//*****************************************************************************
//
// This function sets up a periodic-BCs angular border of this patch.
//
void patch::setup_periodic_BC_ghost_zone
(const patch_edge& this_edge_in, const patch_edge& symmetry_edge_in,
int this_edge_sample_ipar, int symmetry_edge_sample_ipar,
bool ipar_map_sign) // one of cpm_map::{plus,minus}_map
{
// make sure we belong to the right patch
assert(& this_edge_in.this_patch() == this);
symmetry_ghost_zone *temp
= new symmetry_ghost_zone
(this_edge_in, symmetry_edge_in,
this_edge_sample_ipar, symmetry_edge_sample_ipar,
ipar_map_sign);
symmetry_ghost_zones_array_[N_symmetry_ghost_zones_++] = temp;
// assignment converts to ptr to base class ghost_zone::
// FIXME: the decode here is ugly; an array would be cleaner...
if (this_edge_in.edge_is_min())
then if (this_edge_in.edge_is_rho())
then min_rho_ghost_zone_ = temp;
else min_sigma_ghost_zone_ = temp;
else if (this_edge_in.edge_is_rho())
then max_rho_ghost_zone_ = temp;
else max_sigma_ghost_zone_ = temp;
}
//*****************************************************************************
//
// This function sets up an interpatch angular border of this patch.
//
void patch::setup_interpatch_ghost_zone(const patch_edge& this_edge_in,
const patch_edge& other_edge_in)
{
// make sure we belong to the right patch
assert(& this_edge_in.this_patch() == this);
interpatch_ghost_zone *temp
= new interpatch_ghost_zone(this_edge_in, other_edge_in);
interpatch_ghost_zones_array_[N_interpatch_ghost_zones_++] = temp;
// assignment converts to ptr to base class ghost_zone::
// FIXME: the decode here is ugly; an array would be cleaner...
if (this_edge_in.edge_is_min())
then if (this_edge_in.edge_is_rho())
then min_rho_ghost_zone_ = temp;
else min_sigma_ghost_zone_ = temp;
else if (this_edge_in.edge_is_rho())
then max_rho_ghost_zone_ = temp;
else max_sigma_ghost_zone_ = temp;
}
//*****************************************************************************
//
// This function sets an angular frontier of *another* patch from
// which one of this patch's interpatch borders needs to interpolate
// data.
//
void patch::setup_other_patch_frontier
(const patch_edge& this_edge_in,
const patch_edge& other_edge_in,
const interpolator_pars& interpolator_pars_in)
{
// make sure we belong to the right patch
assert(& this_edge_in.this_patch() == this);
const patch_frontier& temp
= other_edge_in
.nonconst_this_patch()
.setup_patch_frontier(other_edge_in, interpolator_pars_in);
border_on_edge(this_edge_in)
.treat_me_as_nonconst_interpatch_ghost_zone()
.set_other_patch_frontier(temp);
}
//*****************************************************************************
//
// This function sets up an angular frontier of this patch.
//
const patch_frontier& patch::setup_patch_frontier
(const patch_edge& edge_in,
const interpolator_pars& interpolator_pars_in)
{
// make sure we belong to the right patch
assert(& edge_in.this_patch() == this);
const patch_frontier *temp
= new patch_frontier(edge_in, interpolator_pars_in);
// FIXME: the decode here is ugly; an array would be cleaner...
if (edge_in.edge_is_min())
then if (edge_in.edge_is_rho())
then min_rho_patch_frontier_ = temp;
else min_sigma_patch_frontier_ = temp;
else if (edge_in.edge_is_rho())
then max_rho_patch_frontier_ = temp;
else max_sigma_patch_frontier_ = temp;
return *temp;
}
//*****************************************************************************
//
// This function returns the ghost_zone object on a specified edge
// of this patch.
//
const ghost_zone& patch::border_on_edge(const patch_edge& edge_in)
const
{
return edge_in.edge_is_min()
? ( edge_in.edge_is_rho() ? min_rho_ghost_zone()
: min_sigma_ghost_zone() )
: ( edge_in.edge_is_rho() ? max_rho_ghost_zone()
: max_sigma_ghost_zone() );
}
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