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Added entrywise inversion and documentation for vec-vec operation

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cirdans-home
2019-11-21 13:56:22 +01:00
parent db7b882e9c
commit b3c4971146
340 changed files with 24932 additions and 20314 deletions
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@@ -23,26 +23,26 @@
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@@ -54,12 +54,12 @@ psb_norm2 -- 2-Norm of Vector</A>
<P>
This function computes the 2-norm of a vector <SPAN CLASS="MATH"><IMG
WIDTH="13" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
WIDTH="13" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
SRC="img20.png"
ALT="$x$"></SPAN>.
<BR>
If <SPAN CLASS="MATH"><IMG
WIDTH="13" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
WIDTH="13" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
SRC="img20.png"
ALT="$x$"></SPAN> is a real vector
it computes 2-norm as:
@@ -72,14 +72,14 @@ nrm2 \leftarrow \sqrt{x^T x}
-->
<IMG
WIDTH="106" HEIGHT="24" BORDER="0"
WIDTH="106" HEIGHT="25" BORDER="0"
SRC="img41.png"
ALT="\begin{displaymath}nrm2 \leftarrow \sqrt{x^T x}\end{displaymath}">
</DIV>
<BR CLEAR="ALL">
<P></P>
else if <SPAN CLASS="MATH"><IMG
WIDTH="13" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
WIDTH="13" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
SRC="img20.png"
ALT="$x$"></SPAN> is a complex vector then it computes 2-norm as:
<BR><P></P>
@@ -91,7 +91,7 @@ nrm2 \leftarrow \sqrt{x^H x}
-->
<IMG
WIDTH="108" HEIGHT="24" BORDER="0"
WIDTH="108" HEIGHT="25" BORDER="0"
SRC="img42.png"
ALT="\begin{displaymath}nrm2 \leftarrow \sqrt{x^H x}\end{displaymath}">
</DIV>
@@ -100,7 +100,7 @@ nrm2 \leftarrow \sqrt{x^H x}
<P>
<BR><P></P>
<DIV ALIGN="CENTER"><A NAME="2030"></A>
<DIV ALIGN="CENTER"><A NAME="2137"></A>
<TABLE>
<CAPTION><STRONG>Table 8:</STRONG>
Data types</CAPTION>
@@ -108,11 +108,11 @@ Data types</CAPTION>
<DIV ALIGN="CENTER">
<TABLE CELLPADDING=3 BORDER="1" ALIGN="CENTER">
<TR><TD ALIGN="LEFT"><SPAN CLASS="MATH"><IMG
WIDTH="44" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
WIDTH="43" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
SRC="img43.png"
ALT="$nrm2$"></SPAN></TD>
<TD ALIGN="LEFT"><SPAN CLASS="MATH"><IMG
WIDTH="13" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
WIDTH="13" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
SRC="img20.png"
ALT="$x$"></SPAN></TD>
<TD ALIGN="LEFT"><B>Function</B></TD>
@@ -157,7 +157,7 @@ psb_norm2(x, desc_a, info [,global])
<DT><STRONG>x</STRONG></DT>
<DD>the local portion of global dense matrix
<SPAN CLASS="MATH"><IMG
WIDTH="13" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
WIDTH="13" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
SRC="img20.png"
ALT="$x$"></SPAN>.
<BR>
@@ -203,7 +203,7 @@ Default: <code>global=.true.</code>
</DD>
<DT><STRONG>Function Value</STRONG></DT>
<DD>is the 2-norm of vector <SPAN CLASS="MATH"><IMG
WIDTH="13" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
WIDTH="13" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
SRC="img20.png"
ALT="$x$"></SPAN>.
<BR>
@@ -238,7 +238,7 @@ An integer value; 0 means no error has been detected.
by using the following scheme:
<BR>
<IMG
WIDTH="480" HEIGHT="73" ALIGN="BOTTOM" BORDER="0"
WIDTH="481" HEIGHT="73" ALIGN="BOTTOM" BORDER="0"
SRC="img44.png"
ALT="\begin{lstlisting}
vres(1) = psb_genrm2(x1,desc_a,info,global=.false.)
@@ -256,26 +256,26 @@ In this way the global communication, which for small sizes is a
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