NAME

BSbackward1 - Backward triangular matrix multiplication on a single vector

INPUT PARAMETERS

A

- The sparse matrix

x

- The input vector

comm

- The communication structure for A

procinfo

- the usual processor information

OUTPUT PARAMETERS

b

- on exit contains A*x

RETURNS

void

NOTES

We assume that A has no i-nodes or cliques

SYNOPSIS

void BSbackward1(BSpar_mat *A, FLOAT *x, FLOAT *b,


  BScomm *comm, BSprocinfo *procinfo)

LOCATION

BlockSolve95/src/BSbackward1.c