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

498 HP MLIB User’s Guide
SDIAMM/DDIAMM/CDIAMM/ZDIAMM Diagonal matrix-matrix multiply
SUBROUTINE ZDIAMM
INTEGER*4 transa, m, n, k, lda, ndiag, ldb, ldc, lwork
INTEGER*4 descra(*), idiag(*)
COMPLEX*16 alpha, beta
COMPLEX*16 val(*), b(ldb,*), c(ldc,*), work(*)
CALL ZDIAMM (transa, m, n, k, alpha, descra, val, lda, idiag, ndiag, b,
ldb, beta, c, ldc, work, lwork)
VECLIB8:
SUBROUTINE SDIAMM
INTEGER*8 transa, m, n, k, lda, ndiag, ldb, ldc, lwork
INTEGER*8 descra(*), idiag(*)
REAL*4 alpha, beta
REAL*4 val(*), b(ldb,*), c(ldc,*), work(*)
CALL SDIAMM (transa, m, n, k, alpha, descra, val, lda, idiag, ndiag, b,
ldb, beta, c, ldc, work, lwork)
SUBROUTINE DDIAMM
INTEGER*8 transa, m, n, k, lda, ndiag, ldb, ldc, lwork
INTEGER*8 descra(*), idiag(*)
REAL*8 alpha, beta
REAL*8 val(*), b(ldb,*), c(ldc,*), work(*)
CALL DDIAMM (transa, m, n, k, alpha, descra, val, lda, idiag, ndiag, b,
ldb, beta, c, ldc, work, lwork)
SUBROUTINE CDIAMM
INTEGER*8 transa, m, n, k, lda, ndiag, ldb, ldc, lwork
INTEGER*8 descra(*), idiag(*)
COMPLEX*8 alpha, beta
COMPLEX*8 val(*), b(ldb,*), c(ldc,*), work(*)
CALL CDIAMM (transa, m, n, k, alpha, descra, val, lda, idiag, ndiag, b,
ldb, beta, c, ldc, work, lwork)
SUBROUTINE ZDIAMM
INTEGER*8 transa, m, n, k, lda, ndiag, ldb, ldc, lwork
INTEGER*8 descra(*), idiag(*)
COMPLEX*16 alpha, beta
COMPLEX*16 val(*), b(ldb,*), c(ldc,*), work(*)
CALL ZDIAMM (transa, m, n, k, alpha, descra, val, lda, idiag, ndiag, b,
ldb, beta, c, ldc, work, lwork)
Input transa Indicates how to operate with the sparse matrix.
0: Operate with matrix