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BStri_solve(3) BlockSolve95 BStri_solve(3) NAME BStri_solve - Multiply the matrix A(-1) by a block of vectors INPUT PARAMETERS A - a sparse matrix fact_A - a possibly incompletely factored version of A comm_A - the communication structure for A (fact_A) vec - the block of vectors to multiply by pre_option - the preconditioner to select PRE_ICC: incomplete Cholesky fac- torization PRE_ILU: incomplete LU factorization PRE_SSOR: Suc- cessive over relaxation PRE_BJACOBI: Block Jacobi BS - the number of vectors in vec procinfo - the usual processor stuff OUTPUT PARAMETERS vec - the resulting block of vectors RETURNS void NOTES Different code is used to multiply a single vector than is used to mul- tiply a block of vectors (this improves efficiency). SYNOPSIS void BStri_solve(BSpar_mat *A, BSpar_mat *fact_A, BScomm *comm_A, FLOAT *vec, int pre_option, int BS, BSprocinfo *procinfo) LOCATION BlockSolve95/src/BStri_solve.c 12/25/1995 BStri_solve(3)
NAME | INPUT PARAMETERS | OUTPUT PARAMETERS | RETURNS | NOTES | SYNOPSIS | LOCATION
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