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// grid.cc -- classes for a 2D uniform tensor-product grid
// $Header$
//
// grid_arrays::grid_arrays
// grid_arrays::setup_gridfn_storage
// grid_arrays::~grid_arrays
//
// grid::grid
//
#include <stdio.h>
#include <assert.h>
#include <math.h>
#ifdef STANDALONE_TEST
#include "fake_cctk.h"
#else
#include "cctk.h"
#endif
#include "config.h"
#include "stdc.h"
#include "../jtutil/util.hh"
#include "../jtutil/array.hh"
#include "../jtutil/linear_map.hh"
#include "coords.hh"
#include "grid.hh"
// all the code in this file is inside this namespace
namespace AHFinderDirect
{
//*****************************************************************************
//*****************************************************************************
//*****************************************************************************
//
// This function constructs a grid_arrays object.
//
grid_arrays::grid_arrays(const grid_array_pars& grid_array_pars_in)
: gridfn_data_(NULL),
ghosted_gridfn_data_(NULL),
// these are all set properly by setup_gridfn_storage()
min_gfn_(0), max_gfn_(0),
ghosted_min_gfn_(0), ghosted_max_gfn_(0),
min_irho_(grid_array_pars_in.min_irho),
max_irho_(grid_array_pars_in.max_irho),
min_isigma_(grid_array_pars_in.min_isigma),
max_isigma_(grid_array_pars_in.max_isigma),
ghosted_min_irho_(grid_array_pars_in.min_irho
- grid_array_pars_in.min_rho_ghost_zone_width),
ghosted_max_irho_(grid_array_pars_in.max_irho
+ grid_array_pars_in.max_rho_ghost_zone_width),
ghosted_min_isigma_(grid_array_pars_in.min_isigma
- grid_array_pars_in.min_sigma_ghost_zone_width),
ghosted_max_isigma_(grid_array_pars_in.max_isigma
+ grid_array_pars_in.max_sigma_ghost_zone_width)
// no comma
{ }
//*****************************************************************************
//
// This function sets up the gridfn storage arrays in a grid_arrays object.
//
void grid_arrays::setup_gridfn_storage
(const gridfn_pars& gridfn_pars_in,
const gridfn_pars& ghosted_gridfn_pars_in)
{
assert(gridfn_data_ == NULL);
gridfn_data_ = new jtutil::array3d<fp>(gridfn_pars_in.min_gfn,
gridfn_pars_in.max_gfn,
min_irho(), max_irho(),
min_isigma(), max_isigma(),
gridfn_pars_in.storage_array,
gridfn_pars_in.gfn_stride,
gridfn_pars_in.irho_stride,
gridfn_pars_in.isigma_stride);
assert(ghosted_gridfn_data_ == NULL);
ghosted_gridfn_data_
= new jtutil::array3d<fp>
(ghosted_gridfn_pars_in.min_gfn,
ghosted_gridfn_pars_in.max_gfn,
ghosted_min_irho(), ghosted_max_irho(),
ghosted_min_isigma(), ghosted_max_isigma(),
ghosted_gridfn_pars_in.storage_array,
ghosted_gridfn_pars_in.gfn_stride,
ghosted_gridfn_pars_in.irho_stride,
ghosted_gridfn_pars_in.isigma_stride);
}
//******************************************************************************
//
// This function destroys a grid_arrays object.
//
grid_arrays::~grid_arrays()
{
delete ghosted_gridfn_data_;
delete gridfn_data_;
}
//*****************************************************************************
//*****************************************************************************
//*****************************************************************************
//
// This function constructs a grid object.
//
grid::grid(const grid_array_pars& grid_array_pars_in,
const grid_pars& grid_pars_in)
: grid_arrays(grid_array_pars_in),
rho_map_(grid_array_pars_in.min_irho
- grid_array_pars_in.min_rho_ghost_zone_width,
grid_array_pars_in.max_irho
+ grid_array_pars_in.max_rho_ghost_zone_width,
jtutil::radians_of_degrees(
grid_pars_in.min_drho
- grid_array_pars_in.min_rho_ghost_zone_width
* grid_pars_in.delta_drho
),
jtutil::radians_of_degrees(grid_pars_in.delta_drho),
jtutil::radians_of_degrees(
grid_pars_in.max_drho
+ grid_array_pars_in.max_rho_ghost_zone_width
* grid_pars_in.delta_drho
)),
sigma_map_(grid_array_pars_in.min_isigma
- grid_array_pars_in.min_sigma_ghost_zone_width,
grid_array_pars_in.max_isigma
+ grid_array_pars_in.max_sigma_ghost_zone_width,
jtutil::radians_of_degrees(
grid_pars_in.min_dsigma
- grid_array_pars_in.min_sigma_ghost_zone_width
* grid_pars_in.delta_dsigma
),
jtutil::radians_of_degrees(grid_pars_in.delta_dsigma),
jtutil::radians_of_degrees(
grid_pars_in.max_dsigma
+ grid_array_pars_in.max_sigma_ghost_zone_width
* grid_pars_in.delta_dsigma
)),
min_rho_(jtutil::radians_of_degrees(grid_pars_in.min_drho)),
max_rho_(jtutil::radians_of_degrees(grid_pars_in.max_drho)),
min_sigma_(jtutil::radians_of_degrees(grid_pars_in.min_dsigma)),
max_sigma_(jtutil::radians_of_degrees(grid_pars_in.max_dsigma))
// no comma
{ }
//******************************************************************************
//******************************************************************************
//******************************************************************************
} // namespace AHFinderDirect
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