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Document DESC%CNV method and MOLD arguments to CDASB and PREC%BUILD

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Salvatore Filippone
2017-12-14 17:09:59 +00:00
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<!--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:
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<TITLE>Data Structures and Classes</TITLE>
@@ -13,42 +9,43 @@ original version by: Nikos Drakos, CBLU, University of Leeds
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<H1><A NAME="SECTION00040000000000000000"></A>
@@ -61,6 +58,7 @@ Data Structures and Classes
In this chapter we illustrate the data structures used for definition of
routines interfaces. They include data structures for sparse matrices,
communication descriptors and preconditioners.
<P>
All the data types and the basic subroutine interfaces related to
descriptors and sparse matrices are defined in
@@ -110,131 +108,134 @@ developer's documentation.
<!--Table of Child-Links-->
<A NAME="CHILD_LINKS"><STRONG>Subsections</STRONG></A>
<UL>
<LI><A NAME="tex2html299"
<UL CLASS="ChildLinks">
<LI><A NAME="tex2html300"
HREF="node10.html">Descriptor data structure</A>
<UL>
<LI><A NAME="tex2html300"
HREF="node11.html">Descriptor Methods</A>
<LI><A NAME="tex2html301"
HREF="node12.html">get_local_rows -- Get number of local rows</A>
HREF="node11.html">Descriptor Methods</A>
<LI><A NAME="tex2html302"
HREF="node13.html">get_local_cols -- Get number of local cols</A>
HREF="node12.html">get_local_rows -- Get number of local rows</A>
<LI><A NAME="tex2html303"
HREF="node14.html">get_global_rows -- Get number of global rows</A>
HREF="node13.html">get_local_cols -- Get number of local cols</A>
<LI><A NAME="tex2html304"
HREF="node15.html">get_global_cols -- Get number of global cols</A>
HREF="node14.html">get_global_rows -- Get number of global rows</A>
<LI><A NAME="tex2html305"
HREF="node16.html">get_global_indices -- Get vector of global indices</A>
HREF="node15.html">get_global_cols -- Get number of global cols</A>
<LI><A NAME="tex2html306"
HREF="node17.html">get_context -- Get communication context</A>
HREF="node16.html">get_global_indices -- Get vector of global indices</A>
<LI><A NAME="tex2html307"
HREF="node18.html">Clone -- clone current object</A>
HREF="node17.html">get_context -- Get communication context</A>
<LI><A NAME="tex2html308"
HREF="node19.html">psb_cd_get_large_threshold -- Get threshold for
index mapping switch</A>
HREF="node18.html">Clone -- clone current object</A>
<LI><A NAME="tex2html309"
HREF="node20.html">psb_cd_set_large_threshold -- Set threshold for
index mapping switch</A>
HREF="node19.html">CNV -- convert internal storage format</A>
<LI><A NAME="tex2html310"
HREF="node21.html">Named Constants</A>
</UL>
<BR>
HREF="node20.html">psb_cd_get_large_threshold -- Get threshold for
index mapping switch</A>
<LI><A NAME="tex2html311"
HREF="node22.html">Sparse Matrix class</A>
<UL>
HREF="node21.html">psb_cd_set_large_threshold -- Set threshold for
index mapping switch</A>
<LI><A NAME="tex2html312"
HREF="node23.html">Sparse Matrix Methods</A>
HREF="node22.html">Named Constants</A>
</UL>
<BR>
<LI><A NAME="tex2html313"
HREF="node24.html">get_nrows -- Get number of rows in a sparse matrix</A>
<LI><A NAME="tex2html314"
HREF="node25.html">get_ncols -- Get number of columns in a sparse
matrix</A>
<LI><A NAME="tex2html315"
HREF="node26.html">get_nnzeros -- Get number of nonzero elements
in a sparse matrix</A>
<LI><A NAME="tex2html316"
HREF="node27.html">get_size -- Get maximum number of nonzero elements
in a sparse matrix</A>
<LI><A NAME="tex2html317"
HREF="node28.html">sizeof -- Get memory occupation in bytes
of a sparse matrix</A>
<LI><A NAME="tex2html318"
HREF="node29.html">get_fmt -- Short description of the dynamic type</A>
<LI><A NAME="tex2html319"
HREF="node30.html">is_bld, is_upd, is_asb -- Status check</A>
<LI><A NAME="tex2html320"
HREF="node31.html">is_lower, is_upper, is_triangle, is_unit --
Format check</A>
<LI><A NAME="tex2html321"
HREF="node32.html">cscnv -- Convert to a different storage format</A>
<LI><A NAME="tex2html322"
HREF="node33.html">csclip -- Reduce to a submatrix</A>
<LI><A NAME="tex2html323"
HREF="node34.html">clean_zeros -- Eliminate zero coefficients</A>
<LI><A NAME="tex2html324"
HREF="node35.html">get_diag -- Get main diagonal</A>
<LI><A NAME="tex2html325"
HREF="node36.html">clip_diag -- Cut out main diagonal</A>
<LI><A NAME="tex2html326"
HREF="node37.html">tril -- Return the lower triangle</A>
<LI><A NAME="tex2html327"
HREF="node38.html">triu -- Return the upper triangle</A>
<LI><A NAME="tex2html328"
HREF="node39.html">psb_set_mat_default -- Set default storage format</A>
<LI><A NAME="tex2html329"
HREF="node40.html">clone -- Clone current object</A>
<LI><A NAME="tex2html330"
HREF="node41.html">Named Constants</A>
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<LI><A NAME="tex2html331"
HREF="node42.html">Dense Vector Data Structure</A>
HREF="node23.html">Sparse Matrix class</A>
<UL>
<LI><A NAME="tex2html314"
HREF="node24.html">Sparse Matrix Methods</A>
<LI><A NAME="tex2html315"
HREF="node25.html">get_nrows -- Get number of rows in a sparse matrix</A>
<LI><A NAME="tex2html316"
HREF="node26.html">get_ncols -- Get number of columns in a sparse
matrix</A>
<LI><A NAME="tex2html317"
HREF="node27.html">get_nnzeros -- Get number of nonzero elements
in a sparse matrix</A>
<LI><A NAME="tex2html318"
HREF="node28.html">get_size -- Get maximum number of nonzero elements
in a sparse matrix</A>
<LI><A NAME="tex2html319"
HREF="node29.html">sizeof -- Get memory occupation in bytes
of a sparse matrix</A>
<LI><A NAME="tex2html320"
HREF="node30.html">get_fmt -- Short description of the dynamic type</A>
<LI><A NAME="tex2html321"
HREF="node31.html">is_bld, is_upd, is_asb -- Status check</A>
<LI><A NAME="tex2html322"
HREF="node32.html">is_lower, is_upper, is_triangle, is_unit --
Format check</A>
<LI><A NAME="tex2html323"
HREF="node33.html">cscnv -- Convert to a different storage format</A>
<LI><A NAME="tex2html324"
HREF="node34.html">csclip -- Reduce to a submatrix</A>
<LI><A NAME="tex2html325"
HREF="node35.html">clean_zeros -- Eliminate zero coefficients</A>
<LI><A NAME="tex2html326"
HREF="node36.html">get_diag -- Get main diagonal</A>
<LI><A NAME="tex2html327"
HREF="node37.html">clip_diag -- Cut out main diagonal</A>
<LI><A NAME="tex2html328"
HREF="node38.html">tril -- Return the lower triangle</A>
<LI><A NAME="tex2html329"
HREF="node39.html">triu -- Return the upper triangle</A>
<LI><A NAME="tex2html330"
HREF="node40.html">psb_set_mat_default -- Set default storage format</A>
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HREF="node41.html">clone -- Clone current object</A>
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HREF="node43.html">Vector Methods</A>
<LI><A NAME="tex2html333"
HREF="node44.html">get_nrows -- Get number of rows in a dense vector</A>
<LI><A NAME="tex2html334"
HREF="node45.html">sizeof -- Get memory occupation in bytes
of a dense vector</A>
<LI><A NAME="tex2html335"
HREF="node46.html">set -- Set contents of the vector</A>
<LI><A NAME="tex2html336"
HREF="node47.html">get_vect -- Get a copy of the vector contents</A>
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HREF="node48.html">clone -- Clone current object</A>
HREF="node42.html">Named Constants</A>
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<LI><A NAME="tex2html333"
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<LI><A NAME="tex2html334"
HREF="node44.html">Vector Methods</A>
<LI><A NAME="tex2html335"
HREF="node45.html">get_nrows -- Get number of rows in a dense vector</A>
<LI><A NAME="tex2html336"
HREF="node46.html">sizeof -- Get memory occupation in bytes
of a dense vector</A>
<LI><A NAME="tex2html337"
HREF="node47.html">set -- Set contents of the vector</A>
<LI><A NAME="tex2html338"
HREF="node49.html">Preconditioner data structure</A>
HREF="node48.html">get_vect -- Get a copy of the vector contents</A>
<LI><A NAME="tex2html339"
HREF="node50.html">Heap data structure</A>
HREF="node49.html">clone -- Clone current object</A>
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<BR>
<LI><A NAME="tex2html340"
HREF="node50.html">Preconditioner data structure</A>
<LI><A NAME="tex2html341"
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