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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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C Covert matrix from JAD format to COO Format
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C
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SUBROUTINE DJDCOX(TRANS,M,N,DESCRA,AR,IA,JA,KA,NG,IPERM,INFO,
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* IP1,DESCRN,ARN,IA1N,IA2N,INFON,IP2,LARN,LIA1N,
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* LIA2N,AUX,LAUX,IERROR)
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use psb_const_mod
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IMPLICIT NONE
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C
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C .. Scalar Arguments ..
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INTEGER NG, LARN, LAUX, LIA1N, LIA2N, 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(*)
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INTEGER AUX(0:LAUX/2-1),IPERM(*)
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INTEGER IA(3,*), JA(*), KA(*), INFO(*), IA1N(*),
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* IA2N(*), INFON(*), IP1(*), IP2(*)
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CHARACTER DESCRA*11, DESCRN*11
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C .. Local Scalars ..
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INTEGER IPX, IPG, NNZ, K, ROW,
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* I, J, NZL, IRET, ERR_ACT
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LOGICAL SCALE
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logical debug
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parameter (debug=.false.)
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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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C
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C .. Executable Statements ..
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C
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NAME = 'DJDCOX\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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C SCALE = (UNITD.EQ.'L') ! meaningless
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IP1(1) = 0
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IP2(1) = 0
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IF (IPERM(1).NE.0) THEN
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DO I = 1, M
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AUX(IPERM(I)) = I
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ENDDO
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ENDIF
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NNZ = JA(IA(2,NG+1)-1 +1)-1
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if (debug) then
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write(0,*) 'On entry to DJDCOX: NNZ LAUX ',
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+ nnz,laux,larn,lia1n,lia2n
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endif
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IF (LAUX.LT.NNZ+2) THEN
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IERROR = 60
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INT_VAL(1) = 23
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INT_VAL(2) = NNZ+2
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INT_VAL(3) = LAUX
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ELSE IF (LARN.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+2
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INT_VAL(3) = LAUX
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ELSE IF (LIA1N.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+2
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INT_VAL(3) = LAUX
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ELSE IF (LIA2N.LT.NNZ) THEN
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IERROR = 60
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INT_VAL(1) = 21
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INT_VAL(2) = NNZ+2
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INT_VAL(3) = LAUX
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ENDIF
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IF (DESCRA(1:1).EQ.'G') THEN
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DO 200 IPG = 1, NG
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DO 50 K = IA(2,IPG), IA(3,IPG)-1
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IPX = IA(1,IPG)
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DO 40 I = JA(K), JA(K+1) - 1
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ARN(I) = AR(I)
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IA1N(I) = AUX(IPX)
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IA2N(I) = KA(I)
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IPX = IPX + 1
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40 CONTINUE
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50 CONTINUE
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IPX = IA(1,IPG)
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DO 70 K = IA(3,IPG), IA(2,IPG+1)-1
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DO 60 I = JA(K), JA(K+1) - 1
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ARN(I) = AR(I)
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IA1N(I) = AUX(IPX)
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IA2N(I) = KA(I)
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60 CONTINUE
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IPX = IPX + 1
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70 CONTINUE
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200 CONTINUE
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C .... Order with key IA1N....
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CALL MSORT_UP(NNZ,IA1N,AUX,IRET)
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IF (IRET.EQ.0) CALL REORDVN(NNZ,ARN,IA1N,IA2N,AUX)
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C .... Order with key IA2N ...
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I = 1
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J = I
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DO WHILE (I.LE.NNZ)
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DO WHILE ((IA1N(J).EQ.IA1N(I)).AND.
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+ (J.LE.NNZ))
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J = J+1
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ENDDO
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NZL = J - I
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CALL MSORT_UP(NZL,IA2N(I),AUX,IRET)
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IF (IRET.EQ.0) CALL REORDVN(NZL,ARN(I),IA1N(I),IA2N(I),
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+ AUX)
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I = J
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ENDDO
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INFON(1)=nnz
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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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ELSE IF (DESCRA(1:1).EQ.'T' .AND. DESCRA(2:2).EQ.'U') THEN
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ELSE IF (DESCRA(1:1).EQ.'T' .AND. DESCRA(2:2).EQ.'L') THEN
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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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