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.
psblas3/base/serial/dp/zcrco.f

154 lines
4.6 KiB
FortranFixed

C
C Parallel Sparse BLAS v2.0
C (C) Copyright 2006 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 ZCRCO(TRANS,M,N,UNITD,D,DESCRA,AR,IA1,IA2,INFO,
* IP1,DESCRN,ARN,IAN1,IAN2,INFON,IP2,LARN,LIAN1,
* LIAN2,AUX,LAUX,IERROR)
use psb_const_mod
use psb_spmat_type
IMPLICIT NONE
C
C .. Scalar Arguments ..
INTEGER LARN, LAUX, LIAN1, LIAN2, M, N, IERROR
CHARACTER TRANS,UNITD
C .. Array Arguments ..
complex(kind(1.d0)) AR(*), ARN(*), D(*), AUX(LAUX)
INTEGER IA1(*), IA2(*), INFO(*), IAN1(*), IAN2(*),
* INFON(*), IP1(*), IP2(*)
CHARACTER DESCRA*11, DESCRN*11
C .. Local Scalars ..
INTEGER NNZ, K, ROW, J
INTEGER ELEM, ERR_ACT
LOGICAL SCALE
INTEGER MAX_NNZERO
c .. Local Arrays ..
CHARACTER*20 NAME
INTEGER INT_VAL(5)
C .. External Subroutines ..
EXTERNAL MAX_NNZERO
C .. Executable Statements ..
C
NAME = 'ZCRCO\0'
IERROR = 0
CALL FCPSB_ERRACTIONSAVE(ERR_ACT)
IF (TRANS.EQ.'N') THEN
SCALE = (UNITD.EQ.'L') ! meaningless
IP1(1) = 0
IP2(1) = 0
NNZ = IA2(M+1)-1
IF (LARN.LT.NNZ) THEN
IERROR = 60
INT_VAL(1) = 18
INT_VAL(2) = NNZ
INT_VAL(3) = LARN
ELSE IF (LIAN1.LT.NNZ) THEN
IERROR = 60
INT_VAL(1) = 19
INT_VAL(2) = NNZ
INT_VAL(3) = LIAN1
ELSE IF (LIAN2.LT.NNZ) THEN
IERROR = 60
INT_VAL(1) = 20
INT_VAL(2) = NNZ
INT_VAL(3) = LIAN2
ENDIF
IF(IERROR.NE.0) THEN
CALL FCPSB_ERRPUSH(IERROR,NAME,INT_VAL)
GOTO 9999
END IF
IF (DESCRA(1:1).EQ.'G') THEN
C ... Construct COO Representation...
ELEM = 1
DO ROW = 1, M
DO J = IA2(ROW), IA2(ROW+1)-1
IAN1(ELEM) = ROW
IAN2(ELEM) = IA1(J)
ARN(ELEM) = AR(J)
ELEM = ELEM + 1
ENDDO
ENDDO
INFON(psb_nnz_) = IA2(M+1)-1
ELSE IF (DESCRA(1:1).EQ.'S' .AND. DESCRA(2:2).EQ.'U') THEN
DO 20 K = 1, M
IP2(K) = K
20 CONTINUE
ierror = 3021
call fcpsb_errpush(ierror,name,int_val)
goto 9999
C
ELSE IF (DESCRA(1:1).EQ.'T' .AND. DESCRA(2:2).EQ.'U') THEN
C
ierror = 3021
call fcpsb_errpush(ierror,name,int_val)
goto 9999
ELSE IF (DESCRA(1:1).EQ.'T' .AND. DESCRA(2:2).EQ.'L') THEN
ierror = 3021
call fcpsb_errpush(ierror,name,int_val)
goto 9999
END IF
C
ELSE IF (TRANS.NE.'N') THEN
C
C TO DO
C
IERROR = 3021
CALL FCPSB_ERRPUSH(IERROR,NAME,INT_VAL)
GOTO 9999
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