core.Level module¶
- class level(problem_class, problem_params, sweeper_class, sweeper_params, level_params, level_index)[source]¶
Bases:
FrozenClassLevel class containing all management functionality for a single level
A level contains all data structures, types and objects to perform sweeps on this particular level. It does not know about other levels.
- params¶
parameter object containing the custom parameters passed by the user
- Type:
__Pars
- status¶
status object
- Type:
__Status
- level_index¶
custom string naming this level
- Type:
int
- uend¶
dof values at the right end point of the interval
- u¶
dof values at the nodes
- Type:
list of dtype_u
- uold¶
copy of dof values for saving data during restriction)
- Type:
list of dtype_u
- f¶
RHS values at the nodes
- Type:
list of dtype_f
- fold¶
copy of RHS values for saving data during restriction
- Type:
list of dtype_f
- tau¶
FAS correction, allocated via step class if necessary
- Type:
list of dtype_u
- property dt¶
Meta-getter for the time-step size
- Returns:
referencing dt from parameters for convenience
- Return type:
float
- property prob¶
Getter for the problem
- Returns:
the problem associated to this level
- Return type:
pySDC.Problem.ptype
- reset_level(reset_status=True)[source]¶
Routine to clean-up the level for the next time step
- Parameters:
reset_status (bool) – Reset the status or only the solution
- Returns:
None
- property sweep¶
Getter for the sweeper
- Returns:
the sweeper associated to this level
- Return type:
pySDC.Sweeper.sweeper
- property tag¶
Getter for tag
- Returns:
tag for sending/receiving
- property time¶
Meta-getter for the current time
- Returns:
referencing status time for convenience
- Return type:
float