Variable block row | SVBRMM/DVBRMM/CVBRMM/ZVBRMM |
Name SVBRMM/DVBRMM/CVBRMM/ZVBRMM
Variable block row
Purpose Variable block row
matrix with m=mb x lb and k=kb x lb. Optionally, A may be replaced by AT or
A*, where AT or A* is a
C ← αAB + βC C ← αATB + βC C ← αA∗B + βC
Usage | VECLIB: |
|
| SUBROUTINE | SVBRMM |
| INTEGER*4 | transa, mb, n, kb, ldb, ldc, lwork |
| INTEGER*4 | descra(*), indx(*), bindx(*), rpntr(*), cpntr(*), |
|
| bpntrb(*), bpntre(*) |
| REAL*4 | alpha, beta |
| REAL*4 | val(*), b(ldb,*), c(ldc,*), work(*) |
CALL SVBRMM (transa, mb, n, kb, alpha, descra, val, indx, bindx, rpntr, cpntr, bpntrb, bpntre, b, ldb, beta, c, ldc, work, lwork)
SUBROUTINE | DVBRMM |
INTEGER*4 | transa, mb, n, kb, ldb, ldc, lwork |
INTEGER*4 | descra(*), indx(*), bindx(*), rpntr(*), cpntr(*), |
| bpntrb(*), bpntre(*) |
REAL*8 | alpha, beta |
REAL*8 | val(*), b(ldb,*), c(ldc,*), work(*) |
CALL DVBRMM (transa, mb, n, kb, alpha, descra, val, indx, bindx, rpntr, cpntr, bpntrb, bpntre, b, ldb, beta, c, ldc, work, lwork)
SUBROUTINE | CVBRMM |
INTEGER*4 | transa, mb, n, kb, ldb, ldc, lwork |
INTEGER*4 | descra(*), indx(*), bindx(*), rpntr(*), cpntr(*), |
| bpntrb(*), bpntre(*) |
COMPLEX*8 | alpha, beta |
COMPLEX*8 | val(*), b(ldb,*), c(ldc,*), work(*) |
CALL CVBRMM (transa, mb, n, kb, alpha, descra, val, indx, bindx, rpntr, cpntr, bpntrb, bpntre, b, ldb, beta, c, ldc, work, lwork)
Chapter 4 Sparse BLAS Operations 529