lsd_mkb/lsd_mkb_superlu/superlu_seq/ssnode_dfs.c File Reference

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

#include "slu_sdefs.h"

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Functions
int	ssnode_dfs (const int jcol, const int kcol, const int *asub, const int *xa_begin, const int *xa_end, int *xprune, int *marker, GlobalLU_t *Glu)

---

Detailed Description

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

 -- SuperLU routine (version 2.0) --
 Univ. of California Berkeley, Xerox Palo Alto Research Center,
 and Lawrence Berkeley National Lab.
 November 15, 1997

 Copyright (c) 1994 by Xerox Corporation.  All rights reserved.

 THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY
 EXPRESSED OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.

 Permission is hereby granted to use or copy this program for any
 purpose, provided the above notices are retained on all copies.
 Permission to modify the code and to distribute modified code is
 granted, provided the above notices are retained, and a notice that
 the code was modified is included with the above copyright notice.
 

---

Function Documentation

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

 Purpose
 =======
    ssnode_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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