<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> <!--Converted with LaTeX2HTML 2012 (1.2) original version by: Nikos Drakos, CBLU, University of Leeds * revised and updated by: Marcus Hennecke, Ross Moore, Herb Swan * with significant contributions from: Jens Lippmann, Marek Rouchal, Martin Wilck and others --> <HTML> <HEAD> <TITLE>Subroutine init</TITLE> <META NAME="description" CONTENT="Subroutine init"> <META NAME="keywords" CONTENT="userhtml"> <META NAME="resource-type" CONTENT="document"> <META NAME="distribution" CONTENT="global"> <META NAME="Generator" CONTENT="LaTeX2HTML v2012"> <META HTTP-EQUIV="Content-Style-Type" CONTENT="text/css"> <LINK REL="STYLESHEET" HREF="userhtml.css"> <LINK REL="next" HREF="node17.html"> <LINK REL="previous" HREF="node15.html"> <LINK REL="up" HREF="node15.html"> <LINK REL="next" HREF="node17.html"> </HEAD> <BODY > <!--Navigation Panel--> <A NAME="tex2html275" HREF="node17.html"> <IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next.png"></A> <A NAME="tex2html271" HREF="node15.html"> <IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up.png"></A> <A NAME="tex2html265" HREF="node15.html"> <IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="prev.png"></A> <A NAME="tex2html273" HREF="node2.html"> <IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents" SRC="contents.png"></A> <BR> <B> Next:</B> <A NAME="tex2html276" HREF="node17.html">Subroutine set</A> <B> Up:</B> <A NAME="tex2html272" HREF="node15.html">User Interface</A> <B> Previous:</B> <A NAME="tex2html266" HREF="node15.html">User Interface</A> <B> <A NAME="tex2html274" HREF="node2.html">Contents</A></B> <BR> <BR> <!--End of Navigation Panel--> <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> </TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=340>The type of preconditioner. Its values are specified in Table <A HREF="#tab:precinit">1</A>.</TD> </TR> <TR><TD ALIGN="LEFT" VALIGN="TOP" WIDTH=34> </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> </TD> <TD ALIGN="LEFT" VALIGN="TOP" WIDTH=340>Error code. If no error, 0 is returned. See Section <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> <BR><HR> </BODY> </HTML>