Subroutine init

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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)

`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.