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<A NAME="PCASMType"><H1>PCASMType</H1></A>
Type of additive Schwarz method to use
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
typedef enum {PC_ASM_BASIC = 3,PC_ASM_RESTRICT = 1,PC_ASM_INTERPOLATE = 2,PC_ASM_NONE = 0} PCASMType;
</PRE>
<pre>
PC_ASM_BASIC - symmetric version where residuals from the ghost points are used
</pre>
<pre>
and computed values in ghost regions are added together. Classical
</pre>
<pre>
standard additive Schwarz
</pre>
<pre>
PC_ASM_RESTRICT - residuals from ghost points are used but computed values in ghost
</pre>
<pre>
region are discarded. Default
</pre>
<pre>
PC_ASM_INTERPOLATE - residuals from ghost points are not used, computed values in ghost
</pre>
<pre>
region are added back in
</pre>
<pre>
PC_ASM_NONE - ghost point residuals are not used, computed ghost values are discarded
</pre>
<pre>
not very good.
</pre>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../PC/PCASMSetType.html#PCASMSetType">PCASMSetType</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>beginner
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/ksp/pc/../../../include/petscpc.h.html#PCASMType">src/ksp/pc/../../../include/petscpc.h</A>
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