free — Free a preconditioner

call prec%free(info)

Type:: Asynchronous.
On Entry
prec: the preconditioner.
Scope: local.
Type: required
Intent: inout.
Specified as: a preconditioner data structure psb_prec_type.
On Exit
prec: Scope: local
Type: required
Intent: inout.
Specified as: a preconditioner data structure psb_prec_type.
info: Scope: global
Type: required
Intent: out.
Error code: if no error, 0 is returned.

Notes Releases all internal storage.