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<H2><A NAME="SECTION00081000000000000000"></A><A NAME="sec:precinit"></A>
<BR>
Subroutine init
</H2>

<P>
<DIV ALIGN="CENTER">
<code>call p%init(ptype,info)</code>

</DIV>

<P>
This routine allocates and initializes the preconditioner
<code>p</code>, according to the preconditioner type chosen by the user.

<P>
<FONT SIZE="+1"><B>Arguments</B></FONT> 
<P></P>

<P>
<TABLE CELLPADDING=3>
<TR><TD ALIGN="LEFT" VALIGN="TOP" WIDTH=34><code>ptype</code></TD>
<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=340><code>character(len=*), intent(in)</code>.</TD>
</TR>
<TR><TD ALIGN="LEFT" VALIGN="TOP" WIDTH=34>&nbsp;</TD>
<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=340>The type of preconditioner. Its values are specified
              in Table&nbsp;<A HREF="#tab:precinit">1</A>.</TD>
</TR>
<TR><TD ALIGN="LEFT" VALIGN="TOP" WIDTH=34>&nbsp;</TD>
<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=340>Note that the strings are case insensitive.</TD>
</TR>
<TR><TD ALIGN="LEFT" VALIGN="TOP" WIDTH=34><code>info</code></TD>
<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=340><code>integer, intent(out)</code>.</TD>
</TR>
<TR><TD ALIGN="LEFT" VALIGN="TOP" WIDTH=34>&nbsp;</TD>
<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=340>Error code. If no error, 0 is returned. See Section&nbsp;<A HREF="node25.html#sec:errors">8</A> for details.</TD>
</TR>
</TABLE>

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

<P>
<DIV ALIGN="CENTER">
<code>call mld_precinit(p,ptype,info)</code>

</DIV>

<P>

<P>
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