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Subroutine init

call p%init(ptype,info)

This routine allocates and initializes the preconditioner p, according to the preconditioner type chosen by the user.

Arguments

ptype character(len=*), intent(in).
  The type of preconditioner. Its values are specified in Table 1.
  Note that the strings are case insensitive.
info integer, intent(out).
  Error code. If no error, 0 is returned. See Section 7 for details.

For compatibility with the previous versions of MLD2P4, this routine can be also invoked as follows:

call mld_precinit(p,ptype,info)