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## 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 precdata`psb_prec_type`.
On Exit

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

NotesReleases all internal storage.