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.
116 lines
3.9 KiB
Fortran
116 lines
3.9 KiB
Fortran
C
|
|
C Parallel Sparse BLAS version 2.2
|
|
C (C) Copyright 2006/2007/2008
|
|
C Salvatore Filippone University of Rome Tor Vergata
|
|
C Alfredo Buttari University of Rome Tor Vergata
|
|
C
|
|
C Redistribution and use in source and binary forms, with or without
|
|
C modification, are permitted provided that the following conditions
|
|
C are met:
|
|
C 1. Redistributions of source code must retain the above copyright
|
|
C notice, this list of conditions and the following disclaimer.
|
|
C 2. Redistributions in binary form must reproduce the above copyright
|
|
C notice, this list of conditions, and the following disclaimer in the
|
|
C documentation and/or other materials provided with the distribution.
|
|
C 3. The name of the PSBLAS group or the names of its contributors may
|
|
C not be used to endorse or promote products derived from this
|
|
C software without specific written permission.
|
|
C
|
|
C THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
C ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
C TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
C PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
|
|
C BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
C CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
C SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
C INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
C CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
C ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
C POSSIBILITY OF SUCH DAMAGE.
|
|
C
|
|
C
|
|
SUBROUTINE ZCSRSM(TRANST,M,N,UNITD,D,ALPHA,DESCRA,A,JA,IA,
|
|
* B,LDB,BETA,C,LDC,WORK,LWORK)
|
|
use psb_const_mod
|
|
complex(psb_dpk_) ALPHA, BETA
|
|
INTEGER LDB, LDC, LWORK, M, N
|
|
CHARACTER UNITD, TRANST
|
|
complex(psb_dpk_) A(*), B(LDB,*), C(LDC,*), D(*), WORK(*)
|
|
INTEGER IA(*), JA(*)
|
|
CHARACTER DESCRA*11
|
|
INTEGER I, K
|
|
CHARACTER DIAG, UPLO
|
|
|
|
C .. Local Arrays ..
|
|
CHARACTER*20 NAME
|
|
INTEGER INT_VAL(5),err_act
|
|
|
|
NAME = 'DCSRSM\0'
|
|
IERROR = 0
|
|
CALL FCPSB_ERRACTIONSAVE(ERR_ACT)
|
|
int_Val(1)=0
|
|
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
|
|
int_val(1) = 7
|
|
IERROR=5
|
|
CALL FCPSB_ERRPUSH(IERROR,NAME,INT_VAL)
|
|
GOTO 9999
|
|
END IF
|
|
IF (DESCRA(3:3).EQ.'N') DIAG = 'N'
|
|
IF (DESCRA(3:3).EQ.'U') DIAG = 'U'
|
|
IF(UNITD.EQ.'B') THEN
|
|
IERROR=5
|
|
int_val(1) = 4
|
|
CALL FCPSB_ERRPUSH(IERROR,NAME,INT_VAL)
|
|
GOTO 9999
|
|
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
|
|
|
|
if ((alpha.ne.(1.d0,0.d0)) .or.(beta .ne.(0.0d0,0.d0))) then
|
|
if (lwork .lt. m) then
|
|
int_val(1) = 17
|
|
IERROR=5
|
|
CALL FCPSB_ERRPUSH(IERROR,NAME,INT_VAL)
|
|
GOTO 9999
|
|
END IF
|
|
DO I = 1, N
|
|
CALL ZSRSV(UPLO,TRANST,DIAG,M,A,JA,IA,B(1,I),work)
|
|
do k=1,m
|
|
c(k,i) = beta*c(k,i) + alpha*work(k)
|
|
enddo
|
|
enddo
|
|
else
|
|
DO I = 1, N
|
|
CALL ZSRSV(UPLO,TRANST,DIAG,M,A,JA,IA,B(1,I),c(1,i))
|
|
enddo
|
|
endif
|
|
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
|
|
|
|
CALL FCPSB_ERRACTIONRESTORE(ERR_ACT)
|
|
RETURN
|
|
|
|
9999 CONTINUE
|
|
CALL FCPSB_ERRACTIONRESTORE(ERR_ACT)
|
|
|
|
IF ( ERR_ACT .NE. 0 ) THEN
|
|
CALL FCPSB_SERROR()
|
|
RETURN
|
|
ENDIF
|
|
|
|
RETURN
|
|
END
|