HPL_pdupdateNN HPL 2.2 Library Functions February 24, 2016


HPL_pdupdateNN Broadcast a panel and update the trailing submatrix.


#include "hpl.h"

void HPL_pdupdateNN( HPL_T_panel * PBCST, int * IFLAG, HPL_T_panel * PANEL, const int NN );


HPL_pdupdateNN broadcast - forward the panel PBCST and simultaneously applies the row interchanges and updates part of the trailing (using the panel PANEL) submatrix.


PBCST   (local input/output)          HPL_T_panel *
        On entry,  PBCST  points to the data structure containing the
        panel (to be broadcast) information.
IFLAG   (local output)                int *
        On exit,  IFLAG  indicates  whether or not  the broadcast has
        been completed when PBCST is not NULL on entry. In that case,
        IFLAG is left unchanged.
PANEL   (local input/output)          HPL_T_panel *
        On entry,  PANEL  points to the data structure containing the
        panel (to be updated) information.
NN      (local input)                 const int
        On entry, NN specifies  the  local  number  of columns of the
        trailing  submatrix  to be updated  starting  at the  current
        position. NN must be at least zero.

See Also

HPL_pdgesv, HPL_pdgesv0, HPL_pdgesvK1, HPL_pdgesvK2, HPL_pdlaswp00N, HPL_pdlaswp01N.