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Block Ellpack | SBELMM/DBELMM/CBELMM/ZBELMM |
Name SBELMM/DBELMM/CBELMM/ZBELMM
Block Ellpack
Purpose Block Ellpack
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 | SBELMM |
| INTEGER*4 | transa, mb, n, kb, blda, maxbnz, lb, ldb, ldc, lwork |
| INTEGER*4 | descra(*), bindx(*) |
| REAL*4 | alpha, beta |
| REAL*4 | val(*), b(ldb,*), c(ldc,*), work(*) |
CALL SBELMM (transa, mb, n, kb, alpha, descra, val, blda, bindx, maxbnz, lb, b, ldb, beta, c, ldc, work, lwork)
SUBROUTINE | DBELMM |
INTEGER*4 | transa, mb, n, kb, blda, maxbnz, lb, ldb, ldc, lwork |
INTEGER*4 | descra(*), bindx(*) |
REAL*8 | alpha, beta |
REAL*8 | val(*), b(ldb,*), c(ldc,*), work(*) |
CALL DBELMM (transa, mb, n, kb, alpha, descra, val, blda, bindx, maxbnz, lb, b, ldb, beta, c, ldc, work, lwork)
SUBROUTINE | CBELMM |
INTEGER*4 | transa, mb, n, kb, blda, maxbnz, lb, ldb, ldc, lwork |
INTEGER*4 | descra(*), bindx(*) |
COMPLEX*8 | alpha, beta |
COMPLEX*8 | val(*), b(ldb,*), c(ldc,*), work(*) |
CALL CBELMM (transa, mb, n, kb, alpha, descra, val, blda, bindx, maxbnz, lb, b, ldb, beta, c, ldc, work, lwork)
Chapter 4 Sparse BLAS Operations 453