HPL_pdupdateNN HPL 2.2 Library Functions February 24, 2016
HPL_pdupdateNN Broadcast a panel and update the trailing submatrix.
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.