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https://github.com/sfilippone/amg4psblas.git
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mld2p4:
docs/html/img92.png docs/html/img93.png docs/html/node18.html docs/html/node20.html docs/html/node4.html docs/html/node9.html docs/mld2p4-1.0-guide.pdf docs/src/building.tex docs/src/distribution.tex docs/src/userinterface.tex Minor documentation changes. mlprec/mld_prec_type.f90 Fixed implicit none everywhere.
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+36
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@@ -137,7 +137,7 @@ refer to Section <A HREF="node11.html#sec:background">4</A>.
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<P>
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<BR><P></P>
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<DIV ALIGN="CENTER"><A NAME="1251"></A>
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<DIV ALIGN="CENTER"><A NAME="1252"></A>
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<TABLE>
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<CAPTION><STRONG>Table 2:</STRONG>
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Parameters defining the type of multi-level preconditioner.
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@@ -181,7 +181,7 @@ Parameters defining the type of multi-level preconditioner.
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<P>
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<BR><P></P>
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<DIV ALIGN="CENTER"><A NAME="1253"></A>
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<DIV ALIGN="CENTER"><A NAME="1254"></A>
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<TABLE>
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<CAPTION><STRONG>Table 3:</STRONG>
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Parameters defining the one-level preconditioner used as smoother.
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@@ -281,7 +281,7 @@ Parameters defining the one-level preconditioner used as smoother.
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<P>
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<BR><P></P>
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<DIV ALIGN="CENTER"><A NAME="1255"></A>
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<DIV ALIGN="CENTER"><A NAME="1256"></A>
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<TABLE>
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<CAPTION><STRONG>Table 4:</STRONG>
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Parameters defining the aggregation algorithm.
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@@ -291,29 +291,29 @@ Parameters defining the aggregation algorithm.
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<TABLE CELLPADDING=3 BORDER="1" ALIGN="CENTER">
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<TR><TD ALIGN="LEFT"><code>what</code></TD>
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<TD ALIGN="LEFT"><SMALL>DATA TYPE</SMALL></TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=65><code>val</code></TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=74><SMALL>DEFAULT</SMALL></TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=68><code>val</code></TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=68><SMALL>DEFAULT</SMALL></TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=198><SMALL>COMMENTS</SMALL></TD>
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</TR>
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<TR><TD ALIGN="LEFT"><code>mld_aggr_alg_</code></TD>
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<TD ALIGN="LEFT"><code>character(len=*)</code></TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=65><TT>'DEC'</TT></TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=74><TT>'DEC'</TT></TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=68><TT>'DEC'</TT></TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=68><TT>'DEC'</TT></TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=198>Aggregation algorithm. Currently, only the decoupled aggregation is available.</TD>
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</TR>
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<TR><TD ALIGN="LEFT"><code>mld_aggr_kind_</code></TD>
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<TD ALIGN="LEFT"><code>character(len=*)</code></TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=65><TT>'SMOOTH'</TT> <TT>'RAW'</TT></TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=74><TT>'SMOOTH'</TT></TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=68><TT>'SMOOTH'</TT> <TT>'RAW'</TT></TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=68><TT>'SMOOTH'</TT></TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=198>Type of aggregation: smoothed, raw (i.e. using the tentative prolongator).</TD>
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</TR>
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<TR><TD ALIGN="LEFT"><code>mld_aggr_thresh_</code></TD>
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<TD ALIGN="LEFT"><code>real(</code><I>kind_parameter</I><code>)</code></TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=65>Any real num. <IMG
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=68>Any real num. <IMG
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WIDTH="56" HEIGHT="36" ALIGN="MIDDLE" BORDER="0"
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SRC="img90.png"
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ALT="$\in [0, 1]$"></TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=74>0</TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=68>0</TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=198>Threshold <IMG
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WIDTH="13" HEIGHT="15" ALIGN="BOTTOM" BORDER="0"
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SRC="img91.png"
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@@ -321,49 +321,57 @@ Parameters defining the aggregation algorithm.
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</TR>
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<TR><TD ALIGN="LEFT"><code>mld_aggr_omega_alg_</code></TD>
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<TD ALIGN="LEFT"><code>character(len=*)</code></TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=65><TT>'USER_CHOICE'</TT> <TT>'EIG_EST'</TT></TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=74><TT>'EIG_EST'</TT></TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=68><TT>'EIG_EST'</TT> <TT>'USER_CHOICE'</TT></TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=68><TT>'EIG_EST'</TT></TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=198>How the damping parameter <IMG
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WIDTH="16" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
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SRC="img84.png"
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ALT="$\omega$"> in the
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smoothed aggregation should be computed:
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either via an estimate of the eigenvalue
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either via an estimate of the spectral radius of
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<IMG
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WIDTH="50" HEIGHT="21" ALIGN="BOTTOM" BORDER="0"
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SRC="img85.png"
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ALT="$D^{-1}A$"> with largest modulus, or explicily
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ALT="$D^{-1}A$">, or explicily
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specified by the user.</TD>
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</TR>
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<TR><TD ALIGN="LEFT"><code>mld_aggr_eig_</code></TD>
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<TD ALIGN="LEFT"><code>character(len=*)</code></TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=65><TT>'A_NORMI'</TT></TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=74><TT>'A_NORMI'</TT></TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=198>How to estimate the eigenvalue <IMG
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=68><TT>'A_NORMI'</TT></TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=68><TT>'A_NORMI'</TT></TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=198>How to estimate the spectral radius of <IMG
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WIDTH="50" HEIGHT="21" ALIGN="BOTTOM" BORDER="0"
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SRC="img85.png"
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ALT="$D^{-1}A$"> with largest modulus.
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ALT="$D^{-1}A$">.
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Currently only the infinity norm estimate
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is available.</TD>
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</TR>
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<TR><TD ALIGN="LEFT"><code>mld_aggr_damp_</code></TD>
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<TD ALIGN="LEFT"><code>real(</code><I>kind_parameter</I><code>)</code></TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=65>Any nonnegative real num.</TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=74><!-- MATH
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$4/(3|\lambda_{max}(D^{-1}A)|)$
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=68>Any nonnegative real num.</TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=68><!-- MATH
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$4/(3\rho(D^{-1}A))$
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-->
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<IMG
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WIDTH="151" HEIGHT="39" ALIGN="MIDDLE" BORDER="0"
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WIDTH="113" HEIGHT="39" ALIGN="MIDDLE" BORDER="0"
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SRC="img92.png"
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ALT="$4/(3\vert\lambda_{max}(D^{-1}A)\vert)$"></TD>
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ALT="$4/(3\rho(D^{-1}A))$"></TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=198>Damping parameter <IMG
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WIDTH="16" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
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SRC="img84.png"
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ALT="$\omega$"> in the smoothed aggregation algorithm.
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Must be set by the user if
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It must be set by the user if
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<code>USER_CHOICE</code> was specified for
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<code>mld_aggr_omega_alg_</code>,
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otherwise it is computed by the library.</TD>
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otherwise it is computed by the library, using the
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selected estimate of the spectral radius <IMG
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WIDTH="73" HEIGHT="39" ALIGN="MIDDLE" BORDER="0"
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SRC="img93.png"
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ALT="$\rho(D^{-1}A)$"> of
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<IMG
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WIDTH="50" HEIGHT="21" ALIGN="BOTTOM" BORDER="0"
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SRC="img85.png"
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ALT="$D^{-1}A$">.</TD>
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</TR>
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</TABLE>
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</DIV>
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@@ -374,7 +382,7 @@ Parameters defining the aggregation algorithm.
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<P>
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<BR><P></P>
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<DIV ALIGN="CENTER"><A NAME="1257"></A>
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<DIV ALIGN="CENTER"><A NAME="1258"></A>
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<TABLE>
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<CAPTION><STRONG>Table 5:</STRONG>
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Parameters defining the coarse-space correction at the coarsest
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@@ -432,7 +440,7 @@ level.</CAPTION>
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<TD ALIGN="LEFT"><code>integer</code></TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=91>Any int. num. <IMG
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WIDTH="31" HEIGHT="31" ALIGN="MIDDLE" BORDER="0"
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SRC="img93.png"
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SRC="img94.png"
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ALT="$> 0$"></TD>
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<TD ALIGN="LEFT">4</TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=198>Number of Block-Jacobi sweeps when 'BJAC' is used as
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@@ -73,14 +73,14 @@ This routine computes <!-- MATH
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-->
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<IMG
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WIDTH="118" HEIGHT="39" ALIGN="MIDDLE" BORDER="0"
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SRC="img94.png"
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SRC="img95.png"
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ALT="$y = op(M^{-1}) x$">, where <IMG
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WIDTH="23" HEIGHT="15" ALIGN="BOTTOM" BORDER="0"
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SRC="img59.png"
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ALT="$M$"> is a previously built
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preconditioner, stored into <code>p</code>, and <IMG
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WIDTH="21" HEIGHT="31" ALIGN="MIDDLE" BORDER="0"
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SRC="img95.png"
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SRC="img96.png"
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ALT="$op$">
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denotes the preconditioner itself or its transpose, according to
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the value of <code>trans</code>.
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@@ -110,7 +110,7 @@ and hence it is completely transparent to the user.
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<TR><TD ALIGN="LEFT" VALIGN="TOP" WIDTH=34> </TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=340>The local part of the vector <IMG
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WIDTH="15" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
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SRC="img96.png"
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SRC="img97.png"
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ALT="$x$">. Note that <I>type</I> and
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<I>kind_parameter</I> must be chosen according
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to the real/complex, single/double precision version of MLD2P4 under use.</TD>
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@@ -121,7 +121,7 @@ and hence it is completely transparent to the user.
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<TR><TD ALIGN="LEFT" VALIGN="TOP" WIDTH=34> </TD>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=340>The local part of the vector <IMG
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WIDTH="13" HEIGHT="31" ALIGN="MIDDLE" BORDER="0"
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SRC="img97.png"
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SRC="img98.png"
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ALT="$y$">. Note that <I>type</I> and
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<I>kind_parameter</I> must be chosen according
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to the real/complex, single/double precision version of MLD2P4 under use.</TD>
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@@ -148,28 +148,28 @@ and hence it is completely transparent to the user.
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-->
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<IMG
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WIDTH="132" HEIGHT="39" ALIGN="MIDDLE" BORDER="0"
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SRC="img98.png"
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SRC="img99.png"
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ALT="$op(M^{-1}) = M^{-1}$">;
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if <code>trans</code> = <code>'T','t'</code> then <!-- MATH
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$op(M^{-1}) = M^{-T}$
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-->
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<IMG
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WIDTH="135" HEIGHT="40" ALIGN="MIDDLE" BORDER="0"
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SRC="img99.png"
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SRC="img100.png"
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ALT="$op(M^{-1}) = M^{-T}$">
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(transpose of <IMG
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WIDTH="48" HEIGHT="39" ALIGN="MIDDLE" BORDER="0"
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SRC="img100.png"
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SRC="img101.png"
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ALT="$M^{-1})$">; if <code>trans</code> = <code>'C','c'</code> then <!-- MATH
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$op(M^{-1}) = M^{-C}$
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-->
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<IMG
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WIDTH="136" HEIGHT="40" ALIGN="MIDDLE" BORDER="0"
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SRC="img101.png"
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SRC="img102.png"
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ALT="$op(M^{-1}) = M^{-C}$">
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(conjugate transpose of <IMG
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WIDTH="48" HEIGHT="39" ALIGN="MIDDLE" BORDER="0"
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SRC="img100.png"
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SRC="img101.png"
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ALT="$M^{-1})$">.</TD>
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</TR>
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<TR><TD ALIGN="LEFT" VALIGN="TOP" WIDTH=34><code>work</code></TD>
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@@ -67,8 +67,6 @@ MLD2P4 is available from the web site
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</BLOCKQUOTE>
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where contact points for further information can be also found.
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To report bugs or ask general usage questions, please, send an email to
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<TT>bugreport@mld2p4.it</TT>.
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<P>
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The software is available under a modified BSD license, as specified
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@@ -61,7 +61,7 @@ Bug reporting</A>
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If you find any bugs in our codes, please let us know at
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<a href="mailto:bugreport@mld2p4.it">
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bugreport@mld2p4.it
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<TT>bugreport@mld2p4.it</TT>
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</a>
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; be aware that
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+714
-720
File diff suppressed because it is too large
Load Diff
@@ -226,7 +226,7 @@ If you find any bugs in our codes, please let us know at
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\begin{rawhtml}
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<a href="mailto:bugreport@mld2p4.it">
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\end{rawhtml}
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bugreport@mld2p4.it
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\texttt{bugreport@mld2p4.it}
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\begin{rawhtml}
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</a>
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\end{rawhtml}
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@@ -8,9 +8,6 @@ MLD2P4 is available from the web site
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\texttt{http://www.mld2p4.it}
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\end{quotation}
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where contact points for further information can be also found.
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To report bugs or ask general usage questions, please, send an email to
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\texttt{bugreport@mld2p4.it}.
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The software is available under a modified BSD license, as specified
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in Appendix~\ref{sec:license}; please note that some of the optional
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@@ -217,7 +217,7 @@ refer to Section~\ref{sec:background}.
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\bsideways
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\begin{center}
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\begin{tabular}{|l|l|p{2.3cm}|p{2.6cm}|p{7cm}|}
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\begin{tabular}{|l|l|p{2.4cm}|p{2.4cm}|p{7cm}|}
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\hline
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\verb|what| & \textsc{data type} & \verb|val| & \textsc{default} &
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\textsc{comments} \\ \hline
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@@ -235,27 +235,29 @@ refer to Section~\ref{sec:background}.
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& 0
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& Threshold $\theta$ in the aggregation algorithm. \\ \hline
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\verb|mld_aggr_omega_alg_| & \verb|character(len=*)|
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& \texttt{'USER\_CHOICE'} \hspace{2.5cm} \texttt{'EIG\_EST'}
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& \texttt{'EIG\_EST'} \hspace{2.5cm} \texttt{'USER\_CHOICE'}
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& \texttt{'EIG\_EST'}
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& How the damping parameter $\omega$ in the
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smoothed aggregation should be computed:
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either via an estimate of the eigenvalue
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$D^{-1}A$ with largest modulus, or explicily
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either via an estimate of the spectral radius of
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$D^{-1}A$, or explicily
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specified by the user. \\ \hline
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\verb|mld_aggr_eig_| & \verb|character(len=*)|
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& \texttt{'A\_NORMI'}
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& \texttt{'A\_NORMI'}
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& How to estimate the eigenvalue $D^{-1}A$ with largest modulus.
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& How to estimate the spectral radius of $D^{-1}A$.
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Currently only the infinity norm estimate
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is available. \\ \hline
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\verb|mld_aggr_damp_| & \verb|real(|\emph{kind\_parameter}\verb|)|
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& Any~nonnegative~real~num.
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& $4/(3|\lambda_{max}(D^{-1}A)|)$
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& $4/(3\rho(D^{-1}A))$
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& Damping parameter $\omega$ in the smoothed aggregation algorithm.
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Must be set by the user if
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It must be set by the user if
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\verb|USER_CHOICE| was specified for
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\verb|mld_aggr_omega_alg_|,
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otherwise it is computed by the library.\\
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otherwise it is computed by the library, using the
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selected estimate of the spectral radius $\rho(D^{-1}A)$ of
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$D^{-1}A$.\\
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\hline
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\end{tabular}
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\end{center}
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Reference in New Issue
Block a user