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HPL_dlocswpN(3)		     HPL Library Functions	       HPL_dlocswpN(3)

       HPL_dlocswpN - locally swaps rows within	panel.

       #include	"hpl.h"

       void  HPL_dlocswpN(  HPL_T_panel	 *  PANEL, const int II, const int JJ,
       double *	WORK );

       HPL_dlocswpN performs  the local	swapping operations  within  a	panel.
       The  lower  triangular  N0-by-N0	 upper block of	the panel is stored in
       no-transpose form (i.e. just like the input matrix itself).

       PANEL   (local input/output)    HPL_T_panel *
	       On entry,  PANEL	 points	to the data structure  containing  the
	       panel information.

       II      (local input)	       const int
	       On  entry,  II  specifies the row offset	where the column to be
	       operated	on starts with respect to the panel.

       JJ      (local input)	       const int
	       On entry, JJ  specifies the column offset where the  column  to
	       be operated on starts with respect to the panel.

       WORK    (local workspace)       double *
	       On  entry,  WORK	 is a workarray	of size	at least 2 * (4+2*N0).
	       WORK[0] contains	 the  local  maximum  absolute	value  scalar,
	       WORK[1]	contains   the corresponding local row index,  WORK[2]
	       contains	the corresponding global row index, and	  WORK[3]   is
	       the  coordinate	of process owning this max.  The N0 length max
	       row is stored in	WORK[4:4+N0-1];	 Note  that this is  also  the
	       JJth  row   (or column) of L1. The remaining part of this array
	       is used as workspace.

       HPL_dlocmax (3),	HPL_dlocswpT (3),  HPL_pdmxswp (3),  HPL_pdpancrN (3),
       HPL_pdpancrT (3), HPL_pdpanllN (3), HPL_pdpanllT	(3), HPL_pdpanrlN (3),
       HPL_pdpanrlT (3),  HPL_pdrpancrN	(3),  HPL_pdrpancrT (3),   HPL_pdrpan-
       llN (3),	  HPL_pdrpanllT	(3),   HPL_pdrpanrlN (3),   HPL_pdrpanrlT (3),
       HPL_pdfact (3).

HPL 2.3			       December	2, 2018		       HPL_dlocswpN(3)


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