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#ifndef TH_HH
#define TH_HH
#include <cctk.h>
#include <cassert>
#include <cmath>
#include <iostream>
#include <vector>
#include "defs.hh"
#include "gh.hh"
using namespace std;
// Forward declaration
class th;
// Input
istream& operator>> (istream& is, th& t);
// Output
ostream& operator<< (ostream& os, const th& t);
// The time hierarchy (information about the current time)
class th {
static set<th*> allth;
public: // should be readonly
// Fields
gh& h; // hierarchy
bool const time_interpolation_during_regridding;
int timelevels; // const
private:
vector<int> reffacts; // const
vector<vector<vector<CCTK_REAL> > > times; // current times [ml][rl][tl]
vector<vector<CCTK_REAL> > deltas; // time steps [ml][rl]
public:
// Constructors
th (gh& h, bool time_interpolation_during_regridding);
th (gh& h, int timelevels, vector<int> const& reffacts,
bool time_interpolation_during_regridding);
// Destructors
~th ();
// Modifiers
void regrid ();
void regrid_free ();
// Time management
void set_time (int const ml, int const rl, int const tl, CCTK_REAL const& t)
{
assert (ml>=0 and ml<h.mglevels());
assert (rl>=0 and rl<h.reflevels());
assert (tl>=0 and tl<timelevels);
// assert (isfinite(t));
times.AT(ml).AT(rl).AT(tl) = t;
}
CCTK_REAL get_time (int const ml, int const rl, int const tl)
const
{
assert (ml>=0 and ml<h.mglevels());
assert (rl>=0 and rl<h.reflevels());
assert (tl>=0 and tl<timelevels);
CCTK_REAL const t = times.AT(ml).AT(rl).AT(tl);
// assert (isfinite(t));
return t;
}
void set_delta (int const ml, int const rl, CCTK_REAL const& dt)
{
assert (ml>=0 and ml<h.mglevels());
assert (rl>=0 and rl<h.reflevels());
// assert (isfinite(dt));
deltas.AT(ml).AT(rl) = dt;
}
CCTK_REAL get_delta (int const ml, int const rl) const
{
assert (ml>=0 and ml<h.mglevels());
assert (rl>=0 and rl<h.reflevels());
CCTK_REAL const dt = deltas.AT(ml).AT(rl);
// assert (isfinite(dt));
return dt;
}
void advance_time (int const ml, int const rl);
void retreat_time (int const ml, int const rl);
void flip_timelevels (int const ml, int const rl);
// Output
size_t memory () const CCTK_MEMBER_ATTRIBUTE_PURE;
static size_t allmemory () CCTK_MEMBER_ATTRIBUTE_PURE;
istream& input (istream& is);
ostream& output (ostream& os) const;
};
inline size_t memoryof (th const & t)
{
return t.memory ();
}
inline istream& operator>> (istream& is, th& t) {
return t.input(is);
}
inline ostream& operator<< (ostream& os, const th& t) {
return t.output(os);
}
#endif // TH_HH
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