SRC/ilu_zsnode_dfs.c File Reference

Determines the union of row structures of columns within the relaxed node. More...

#include "slu_zdefs.h"

Functions

int ilu_zsnode_dfs (const int jcol, const int kcol, const int *asub, const int *xa_begin, const int *xa_end, int *marker, GlobalLU_t *Glu)


Detailed Description

 -- SuperLU routine (version 4.0) --
 Lawrence Berkeley National Laboratory
 June 30, 2009
 

Function Documentation

int ilu_zsnode_dfs ( const int  jcol,
const int  kcol,
const int *  asub,
const int *  xa_begin,
const int *  xa_end,
int *  marker,
GlobalLU_t Glu 
)

 Purpose
 =======
    ilu_zsnode_dfs() - Determine the union of the row structures of those
    columns within the relaxed snode.
    Note: The relaxed snodes are leaves of the supernodal etree, therefore,
    the portion outside the rectangular supernode must be zero.

 Return value
 ============
     0   success;
    >0   number of bytes allocated when run out of memory.
 


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