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163 lines
5.6 KiB
Fortran
163 lines
5.6 KiB
Fortran
C
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C Parallel Sparse BLAS v2.0
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C (C) Copyright 2006 Salvatore Filippone University of Rome Tor Vergata
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C Alfredo Buttari University of Rome Tor Vergata
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C
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C Redistribution and use in source and binary forms, with or without
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C modification, are permitted provided that the following conditions
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C are met:
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C 1. Redistributions of source code must retain the above copyright
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C notice, this list of conditions and the following disclaimer.
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C 2. Redistributions in binary form must reproduce the above copyright
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C notice, this list of conditions, and the following disclaimer in the
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C documentation and/or other materials provided with the distribution.
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C 3. The name of the PSBLAS group or the names of its contributors may
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C not be used to endorse or promote products derived from this
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C software without specific written permission.
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C
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C THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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C ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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C TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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C PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
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C BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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C CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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C SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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C INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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C CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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C ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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C POSSIBILITY OF SUCH DAMAGE.
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C
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C
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SUBROUTINE DCRCO(TRANS,M,N,UNITD,D,DESCRA,AR,IA1,IA2,INFO,
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* IP1,DESCRN,ARN,IAN1,IAN2,INFON,IP2,LARN,LIAN1,
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* LIAN2,AUX,LAUX,IERROR)
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use psb_const_mod
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use psb_spmat_type
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IMPLICIT NONE
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C
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C .. Scalar Arguments ..
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INTEGER LARN, LAUX, LIAN1, LIAN2, M, N, IERROR
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CHARACTER TRANS,UNITD
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C .. Array Arguments ..
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DOUBLE PRECISION AR(*), ARN(*), D(*), AUX(LAUX)
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INTEGER IA1(*), IA2(*), INFO(*), IAN1(*), IAN2(*),
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* INFON(*), IP1(*), IP2(*)
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CHARACTER DESCRA*11, DESCRN*11
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C .. Local Scalars ..
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INTEGER NNZ, K, ROW, J
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INTEGER ELEM, ERR_ACT
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LOGICAL SCALE
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INTEGER MAX_NNZERO
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c .. Local Arrays ..
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CHARACTER*20 NAME
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INTEGER INT_VAL(5)
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logical, parameter :: debug=.false.
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C .. External Subroutines ..
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EXTERNAL MAX_NNZERO
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C .. Executable Statements ..
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C
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NAME = 'DCRCO\0'
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IERROR = 0
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CALL FCPSB_ERRACTIONSAVE(ERR_ACT)
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IF (TRANS.EQ.'N') THEN
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SCALE = (UNITD.EQ.'L') ! meaningless
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IP1(1) = 0
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IP2(1) = 0
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NNZ = IA2(M+1)-1
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if (debug) write(0,*) 'CRCO: ',m,n,nnz,' : ',
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+ descra,' : ',descrn
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IF (LARN.LT.NNZ) THEN
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IERROR = 60
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INT_VAL(1) = 18
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INT_VAL(2) = NNZ
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INT_VAL(3) = LARN
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ELSE IF (LIAN1.LT.NNZ) THEN
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IERROR = 60
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INT_VAL(1) = 19
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INT_VAL(2) = NNZ
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INT_VAL(3) = LIAN1
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ELSE IF (LIAN2.LT.NNZ) THEN
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IERROR = 60
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INT_VAL(1) = 20
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INT_VAL(2) = NNZ
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INT_VAL(3) = LIAN2
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ENDIF
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IF(IERROR.NE.0) THEN
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CALL FCPSB_ERRPUSH(IERROR,NAME,INT_VAL)
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GOTO 9999
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END IF
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IF (DESCRA(1:1).EQ.'G') THEN
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C ... Construct COO Representation...
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ELEM = 0
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DO ROW = 1, M
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DO J = IA2(ROW), IA2(ROW+1)-1
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ELEM = ELEM + 1
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IAN1(ELEM) = ROW
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IAN2(ELEM) = IA1(J)
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ARN(ELEM) = AR(J)
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ENDDO
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ENDDO
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INFON(psb_nnz_) = elem
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if (debug) write(0,*) 'CRCO endloop',m,elem
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ELSE IF (DESCRA(1:1).EQ.'S' .AND. DESCRA(2:2).EQ.'U') THEN
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DO 20 K = 1, M
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IP2(K) = K
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20 CONTINUE
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c$$$ CALL DVSSG(M,IA1,IA2,IP2,IAN2(PNG),IP1,IP2,AUX(IWLEN),
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c$$$ * AUX(IWORK1))
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c$$$ CALL DVSMR(M,AR,IA1,IA2,IAN2(PNG),AUX(IWLEN),IP1,IP2,
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c$$$ * IAN2(PIA),IAN2(PJA),IAN1,ARN,AUX(IWORK1),
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c$$$ * AUX(IWORK2),NJA,IER,SCALE)
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C
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ELSE IF (DESCRA(1:1).EQ.'T' .AND. DESCRA(2:2).EQ.'U') THEN
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c$$$ CALL DVTFG('U',M,IA1,IA2,IAN2(PNG),IP1,IP2,AUX(IWLEN),
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c$$$c * AUX(IWORK1),AUX(IWORK2),IAN1(M+1))
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c$$$ * AUX(IWORK1),IAN1(1),IAN1(M+5))
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c$$$ CALL DVTMR(M,AR,IA1,IA2,ISTROW,IAN2(PNG),AUX(IWLEN),IP1,IP2,
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c$$$ * IAN2(PIA),IAN2(PJA),IAN1,ARN,NJA,IER,SCALE)
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C
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ELSE IF (DESCRA(1:1).EQ.'T' .AND. DESCRA(2:2).EQ.'L') THEN
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c$$$ CALL DVTFG('L',M,IA1,IA2,IAN2(PNG),IP1,IP2,AUX(IWLEN),
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c$$$c * AUX(IWORK1),AUX(IWORK2),IAN1(M+1))
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c$$$ * AUX(IWORK1),IAN1(1),IAN1(M+5))
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c$$$ CALL DVTMR(M,AR,IA1,IA2,ISTROW,IAN2(PNG),AUX(IWLEN),IP1,IP2,
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c$$$ * IAN2(PIA),IAN2(PJA),IAN1,ARN,NJA,IER,SCALE)
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END IF
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C
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ELSE IF (TRANS.NE.'N') THEN
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C
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C TO DO
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C
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IERROR = 3021
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CALL FCPSB_ERRPUSH(IERROR,NAME,INT_VAL)
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GOTO 9999
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END IF
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CALL FCPSB_ERRACTIONRESTORE(ERR_ACT)
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RETURN
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9999 CONTINUE
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CALL FCPSB_ERRACTIONRESTORE(ERR_ACT)
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IF ( ERR_ACT .NE. 0 ) THEN
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CALL FCPSB_SERROR()
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RETURN
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ENDIF
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RETURN
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END
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