Jagged diagonal format triangular solve | SJADSM/DJADSM/CJADSM/ZJADSM |
Name SJADSM/DJADSM/CJADSM/ZJADSM
Jagged diagonal format triangular solve
Purpose Jagged diagonal format triangular solve. Given a scalar α, an upper- or
is a diagonal matrix. The size of A is
C ← | C ← | C ← |
C ← | C ← | |
C ← | C ← | C ← |
Usage | VECLIB: |
|
| SUBROUTINE | SJADSM |
| INTEGER*4 | transa, m, n, unitd, maxnz, ldb, ldc, lwork |
| INTEGER*4 | descra(*), indx(*), pntr(*), iperm(*) |
| REAL*4 | alpha, beta |
| REAL*4 | val(*), b(ldb,*), c(ldc,*), work(*) |
CALL SJADSM (transa, m, n, unitd, dv, alpha, descra, val, pntr, iperm, indx, maxnz, b, ldb, beta, c, ldc, work, lwork)
SUBROUTINE | DJADSM |
INTEGER*4 | transa, m, n, unitd, maxnz, ldb, ldc, lwork |
INTEGER*4 | descra(*), indx(*), pntr(*), iperm(*) |
REAL*8 | alpha, beta |
REAL*8 | val(*), b(ldb,*), c(ldc,*), work(*) |
CALL DJADSM (transa, m, n, unitd, dv, alpha, descra, val, pntr, iperm, indx, maxnz, b, ldb, beta, c, ldc, work, lwork)
SUBROUTINE | CJADSM |
INTEGER*4 | transa, m, n, unitd, maxnz, ldb, ldc, lwork |
INTEGER*4 | descra(*), indx(*), pntr(*), iperm(*) |
COMPLEX*8 | alpha, beta |
COMPLEX*8 | val(*), b(ldb,*), c(ldc,*), work(*) |
CALL CJADSM (transa, m, n, unitd, dv, alpha, descra, val, pntr, iperm, indx, maxnz, b, ldb, beta, c, ldc, work, lwork)
Chapter 4 Sparse BLAS Operations 517