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Take out SUB_REN.
Update docs.
This commit is contained in:
Salvatore Filippone
2017-04-18 13:48:34 +00:00
parent 4304f1e2c9
commit 816047d48c
163 changed files with 7987 additions and 9042 deletions
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@@ -7,8 +7,8 @@ original version by: Nikos Drakos, CBLU, University of Leeds
Jens Lippmann, Marek Rouchal, Martin Wilck and others -->
<HTML>
<HEAD>
<TITLE>Subroutine mld_precaply</TITLE>
<META NAME="description" CONTENT="Subroutine mld_precaply">
<TITLE>Subroutine apply</TITLE>
<META NAME="description" CONTENT="Subroutine apply">
<META NAME="keywords" CONTENT="userhtml">
<META NAME="resource-type" CONTENT="document">
<META NAME="distribution" CONTENT="global">
@@ -26,40 +26,39 @@ original version by: Nikos Drakos, CBLU, University of Leeds
<BODY >
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<B> Next:</B> <A NAME="tex2html341"
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<H2><A NAME="SECTION00086000000000000000"></A><A NAME="sec:precaply"></A>
<H2><A NAME="SECTION00086000000000000000"></A><A NAME="sec:precapply"></A>
<BR>
Subroutine mld_precaply
Subroutine apply
</H2>
<P>
<DIV ALIGN="CENTER">
<code>mld_precaply(p,x,y,desc_a,info)</code>
<BR><code>mld_precaply(p,x,y,desc_a,info,trans,work)</code>
<code>call p%apply(x,y,desc_a,info [,trans,work])</code>
<BR>
</DIV>
@@ -68,44 +67,34 @@ This routine computes <!-- MATH
$y = op(M^{-1})\, x$
-->
<IMG
WIDTH="118" HEIGHT="39" ALIGN="MIDDLE" BORDER="0"
WIDTH="117" HEIGHT="39" ALIGN="MIDDLE" BORDER="0"
SRC="img101.png"
ALT="$y = op(M^{-1}) x$">, where <IMG
ALT="$y = op(M^{-1})\, x$">, where <IMG
WIDTH="23" HEIGHT="15" ALIGN="BOTTOM" BORDER="0"
SRC="img60.png"
ALT="$M$"> is a previously built
preconditioner, stored into <code>p</code>, and <IMG
WIDTH="21" HEIGHT="31" ALIGN="MIDDLE" BORDER="0"
WIDTH="22" HEIGHT="31" ALIGN="MIDDLE" BORDER="0"
SRC="img102.png"
ALT="$op$">
denotes the preconditioner itself or its transpose, according to
the value of <code>trans</code>.
Note that, when MLD2P4 is used with a Krylov solver from PSBLAS,
<code>mld_precaply</code> is called within the PSBLAS routine <code>psb_krylov</code>
<code>p%apply</code> is called within the PSBLAS routine <code>psb_krylov</code>
and hence it is completely transparent to the user.
<P>
<FONT SIZE="+1"><B>Arguments</B></FONT>
<FONT SIZE="+1"><B>Arguments</B></FONT>
<P></P>
<P>
<TABLE CELLPADDING=3>
<TR><TD ALIGN="LEFT" VALIGN="TOP" WIDTH=34><code>p</code></TD>
<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=340><code>type(mld_</code><I>x</I><code>prec_type), intent(inout)</code>.</TD>
</TR>
<TR><TD ALIGN="LEFT" VALIGN="TOP" WIDTH=34>&nbsp;</TD>
<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=340>The preconditioner data structure, containing the local part of <IMG
WIDTH="23" HEIGHT="15" ALIGN="BOTTOM" BORDER="0"
SRC="img60.png"
ALT="$M$">.
Note that <I>x</I> must be chosen according
to the real/complex, single/double precision version of MLD2P4 under use.</TD>
</TR>
<TR><TD ALIGN="LEFT" VALIGN="TOP" WIDTH=34><code>x</code></TD>
<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=340><I>type</I><code>(</code><I>kind_parameter</I><code>), dimension(:), intent(in)</code>.</TD>
</TR>
<TR><TD ALIGN="LEFT" VALIGN="TOP" WIDTH=34>&nbsp;</TD>
<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=340>The local part of the vector <IMG
WIDTH="15" HEIGHT="18" ALIGN="BOTTOM" BORDER="0"
WIDTH="14" HEIGHT="18" ALIGN="BOTTOM" BORDER="0"
SRC="img103.png"
ALT="$x$">. Note that <I>type</I> and
<I>kind_parameter</I> must be chosen according
@@ -116,7 +105,7 @@ and hence it is completely transparent to the user.
</TR>
<TR><TD ALIGN="LEFT" VALIGN="TOP" WIDTH=34>&nbsp;</TD>
<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=340>The local part of the vector <IMG
WIDTH="13" HEIGHT="31" ALIGN="MIDDLE" BORDER="0"
WIDTH="14" HEIGHT="31" ALIGN="MIDDLE" BORDER="0"
SRC="img104.png"
ALT="$y$">. Note that <I>type</I> and
<I>kind_parameter</I> must be chosen according
@@ -133,7 +122,7 @@ and hence it is completely transparent to the user.
<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">7</A> for details.</TD>
<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=340>Error code. If no error, 0 is returned. See Section&nbsp;<A HREF="node26.html#sec:errors">8</A> for details.</TD>
</TR>
<TR><TD ALIGN="LEFT" VALIGN="TOP" WIDTH=34><code>trans</code></TD>
<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=340><code>character(len=1), optional, intent(in).</code></TD>
@@ -179,31 +168,41 @@ and hence it is completely transparent to the user.
</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_precaply(p,what,val,info)</code>
</DIV>
<P>
<P>
<HR>
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<B> Next:</B> <A NAME="tex2html341"
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