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BSb_backward(3) BlockSolve95 BSb_backward(3)

BSb_backward - Backward triangular matrix multiplication on a block of vectors

A
- The sparse matrix
x
- The contiguous block of input vectors
comm
- The communication structure for A
block_size
- the number of input vectors
procinfo
- the usual processor information

b
- on exit these vectors contain A*x

void

void BSb_backward(BSpar_mat *A, FLOAT *x, FLOAT *b, BScomm *comm,
  int block_size, BSprocinfo *procinfo)

BlockSolve95/src/BSb_backward.c
10/26/1995

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