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

522 HP MLIB User’s Guide
SSKYMM/DSKYMM/CSKYMM/ZSKYMM Skyline matrix-matrix multiply
SUBROUTINE ZSKYMM
INTEGER*4 transa, m, n, k, ldb, ldc, lwork
INTEGER*4 descra(*), pntr(*)
COMPLEX*16 alpha, beta
COMPLEX*16 val(*), b(ldb,*), c(ldc,*), work(*)
CALL ZSKYMM (transa, m, n, k, alpha, descra, val, pntr, b, ldb, beta, c,
ldc, work, lwork)
VECLIB8:
SUBROUTINE SSKYMM
INTEGER*8 transa, m, n, k, ldb, ldc, lwork
INTEGER*8 descra(*), pntr(*)
REAL*4 alpha, beta
REAL*4 val(*), b(ldb,*), c(ldc,*), work(*)
CALL SSKYMM (transa, m, n, k, alpha, descra, val, pntr, b, ldb, beta, c,
ldc, work, lwork)
SUBROUTINE DSKYMM
INTEGER*8 transa, m, n, k, ldb, ldc, lwork
INTEGER*8 descra(*), pntr(*)
REAL*8 alpha, beta
REAL*8 val(*), b(ldb,*), c(ldc,*), work(*)
CALL DSKYMM (transa, m, n, k, alpha, descra, val, pntr, b, ldb, beta, c,
ldc, work, lwork)
SUBROUTINE CSKYMM
INTEGER*8 transa, m, n, k, ldb, ldc, lwork
INTEGER*8 descra(*), pntr(*)
COMPLEX*8 alpha, beta
COMPLEX*8 val(*), b(ldb,*), c(ldc,*), work(*)
CALL CSKYMM (transa, m, n, k, alpha, descra, val, pntr, b, ldb, beta, c,
ldc, work, lwork)
SUBROUTINE ZSKYMM
INTEGER*8 transa, m, n, k, ldb, ldc, lwork
INTEGER*8 descra(*), pntr(*)
COMPLEX*16 alpha, beta
COMPLEX*16 val(*), b(ldb,*), c(ldc,*), work(*)
CALL ZSKYMM (transa, m, n, k, alpha, descra, val, pntr, b, ldb, beta, c,
ldc, work, lwork)
Input transa Indicates how to operate with the sparse matrix.
0: Operate with matrix