You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
56 lines
1.6 KiB
FortranFixed
56 lines
1.6 KiB
FortranFixed
19 years ago
|
SUBROUTINE ZCOOSM(TRANST,M,N,UNITD,D,ALPHA,DESCRA,A,IA,JA,INFOA,
|
||
|
|
* B,LDB,BETA,C,LDC,WORK,LWORK,IERROR)
|
||
|
|
LOGICAL DEBUG
|
||
|
|
PARAMETER (DEBUG=.FALSE.)
|
||
|
|
COMPLEX*16 ALPHA, BETA
|
||
|
|
INTEGER LDB, LDC, LWORK, M, N, IERROR
|
||
|
|
CHARACTER UNITD, TRANST
|
||
|
|
COMPLEX*16 A(*), B(LDB,*), C(LDC,*), D(*), WORK(*)
|
||
|
|
INTEGER IA(*), JA(*), INFOA(*)
|
||
|
|
CHARACTER DESCRA*11
|
||
|
|
INTEGER I, K
|
||
|
|
CHARACTER DIAG, UPLO
|
||
|
|
EXTERNAL XERBLA
|
||
|
|
|
||
|
|
IF((ALPHA.NE.1.D0) .OR. (BETA.NE.0.D0))then
|
||
|
|
call xerbla('DCSSM ',9)
|
||
|
|
RETURN
|
||
|
|
ENDIF
|
||
|
|
if (debug) write(*,*) 'ZCOOSM ',m
|
||
|
|
if (debug) write(*,*) 'ZCOOSM ',m,ierror
|
||
|
|
|
||
|
|
UPLO = '?'
|
||
|
|
IF (DESCRA(1:1).EQ.'T' .AND. DESCRA(2:2).EQ.'U') UPLO = 'U'
|
||
|
|
IF (DESCRA(1:1).EQ.'T' .AND. DESCRA(2:2).EQ.'L') UPLO = 'L'
|
||
|
|
IF (UPLO.EQ.'?') THEN
|
||
|
|
CALL XERBLA('ZCSSM ',10)
|
||
|
|
RETURN
|
||
|
|
END IF
|
||
|
|
IF (DESCRA(3:3).EQ.'N') DIAG = 'N'
|
||
|
|
IF (DESCRA(3:3).EQ.'U') DIAG = 'U'
|
||
|
|
IF(UNITD.EQ.'B') THEN
|
||
|
|
CALL XERBLA('ZCSSM ',11)
|
||
|
|
RETURN
|
||
|
|
ENDIF
|
||
|
|
IF (UNITD.EQ.'R') THEN
|
||
|
|
DO 40 I = 1, N
|
||
|
|
DO 20 K = 1, M
|
||
|
|
B(K,I) = B(K,I)*D(K)
|
||
|
|
20 CONTINUE
|
||
|
|
40 CONTINUE
|
||
|
|
END IF
|
||
|
|
|
||
|
|
DO 60 I = 1, N
|
||
|
|
CALL ZCOOSV(UPLO,TRANST,DIAG,M,A,IA,JA,INFOA,
|
||
|
|
+ B(1,I),C(1,I),IERROR)
|
||
|
|
60 CONTINUE
|
||
|
|
IF (UNITD.EQ.'L') THEN
|
||
|
|
DO 45 I = 1, N
|
||
|
|
DO 25 K = 1, M
|
||
|
|
C(K,I) = C(K,I)*D(K)
|
||
|
|
25 CONTINUE
|
||
|
|
45 CONTINUE
|
||
|
|
END IF
|
||
|
|
RETURN
|
||
|
|
END
|