## psb_spfree -- Frees a sparse matrix

    call psb_spfree(a, desc_a, info)

Type:
  Synchronous.
On Entry
a
  the matrix to be freed.
  Scope:local
  Type:required
  Intent: inout.
  Specified as: a structured data of type spdata`psb_Tspmat_type`.
desc_a
  the communication descriptor.
  Scope:local.
  Type:required.
  Intent: in.
  Specified as: a structured data of type descdata`psb_desc_type`.

On Return
info
  Error code.
  Scope: local
  Type: required
  Intent: out.
  An integer value; 0 means no error has been detected.