HP MLIB User's Guide Vol. 1 7th Ed.

442 HP MLIB User’s Guide
SBCOMM/DBCOMM/CBCOMM/ZBCOMM Block coordinate matrix-matrix multiply
SUBROUTINE ZBCOMM
INTEGER*4 transa, mb, n, kb, bnnz, lb, ldb, ldc, lwork
INTEGER*4 descra(*), bindx(*), bjndx(*)
COMPLEX*16 alpha, beta
COMPLEX*16 val(*), b(ldb,*), c(ldc,*), work(*)
CALL ZBCOMM (transa, mb, n, kb, alpha, descra, val, bindx, bjndx,
bnnz, lb, b, ldb, beta, c, ldc, work, lwork)
VECLIB8:
SUBROUTINE SBCOMM
INTEGER*8 transa, mb, n, kb, bnnz, lb, ldb, ldc, lwork
INTEGER*8 descra(*), bindx(*), bjndx(*)
REAL*4 alpha, beta
REAL*4 val(*), b(ldb,*), c(ldc,*), work(*)
CALL SBCOMM (transa, mb, n, kb, alpha, descra, val, bindx, bjndx,
bnnz, lb, b, ldb, beta, c, ldc, work, lwork)
SUBROUTINE DBCOMM
INTEGER*8 transa, mb, n, kb, bnnz, lb, ldb, ldc, lwork
INTEGER*8 descra(*), bindx(*), bjndx(*)
REAL*8 alpha, beta
REAL*8 val(*), b(ldb,*), c(ldc,*), work(*)
CALL DBCOMM (transa, mb, n, kb, alpha, descra, val, bindx, bjndx,
bnnz, lb, b, ldb, beta, c, ldc, work, lwork)
SUBROUTINE CBCOMM
INTEGER*8 transa, mb, n, kb, bnnz, lb, ldb, ldc, lwork
INTEGER*8 descra(*), bindx(*), bjndx(*)
COMPLEX*8 alpha, beta
COMPLEX*8 val(*), b(ldb,*), c(ldc,*), work(*)
CALL CBCOMM (transa, mb, n, kb, alpha, descra, val, bindx, bjndx,
bnnz, lb, b, ldb, beta, c, ldc, work, lwork)
SUBROUTINE ZBCOMM
INTEGER*8 transa, mb, n, kb, bnnz, lb, ldb, ldc, lwork
INTEGER*8 descra(*), bindx(*), bjndx(*)
COMPLEX*16 alpha, beta
COMPLEX*16 val(*), b(ldb,*), c(ldc,*), work(*)
CALL ZBCOMM (transa, mb, n, kb, alpha, descra, val, bindx, bjndx,
bnnz, lb, b, ldb, beta, c, ldc, work, lwork)
Input transa Indicates how to operate with the sparse matrix.
0: Operate with matrix