descr -- Prints a description of current preconditioner

call prec%descr()
call prec%descr(iout, root)

Type:

Asynchronous.

On Entry

prec

the preconditioner. Scope: local
Type: required
Intent: in.
Specified as: a preconditioner data structure precdatapsb_prec_type.

iout

output unit. Scope: local
Type: optional
Intent: in.
Specified as: an integer number. Default: default output unit.

root

Process from which to print Scope: local
Type: optional
Intent: in.
Specified as: an integer number between 0 and $np-1$, in which case the specified process will print the description, or $-1$, in which case all processes will print. Default: 0.