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 DCRJD(TRANS,M,N,UNITD,D,DESCRA,AR,IA1,IA2,INFO, * IP1,DESCRN,ARN,IAN1,IAN2,INFON,IP2,LARN,LIAN1, * LIAN2,AUX,LAUX,SIZE_REQ,IERROR) C C Purpose C ======= C C DCRJD converts a CSR matrix into a Jagged Diagonal. C C C Notes C ===== C C Parameters C ========== C C TRANS Whether the transpose should be converted. C C M,N Size of input matrix A C C UNITD Scaling by diagonal D: 'U'nit, 'L'eft, 'R'ight C D(*) C C DESCRA Input matrix A. C AR,IA1, C IA2,INFO C C DESCRN Output matrix in JAD format C ARN,IAN1 C IAN2,INFON, IP1, IP2 C use psb_const_mod use psb_spmat_type IMPLICIT NONE C C .. Scalar Arguments .. INTEGER LARN, LAUX, LAUX2, LIAN1, LIAN2, M, N, * SIZE_REQ, IERROR CHARACTER TRANS,UNITD C .. Array Arguments .. DOUBLE PRECISION AR(*), ARN(*), D(*), AUX(LAUX) INTEGER IA1(*), IA2(*), INFO(*), IAN1(*), IAN2(*), * INFON(*), IP1(*), IP2(*) CHARACTER DESCRA*11, DESCRN*11 C .. Local Scalars .. INTEGER IOFF, ISTROW, NJA, NZ, PIA, + PJA, PNG, K, MAX_NG, NG, LJA, ERR_ACT LOGICAL SCALE logical debug parameter (debug=.false.) CHARACTER UPLO INTEGER MAX_NNZERO c .. Local Arrays .. CHARACTER*20 NAME INTEGER INT_VAL(5), IERRV(5) C .. External Subroutines .. EXTERNAL DVTFG EXTERNAL MAX_NNZERO C .. Executable Statements .. C NAME = 'DCRJD\0' IERROR = 0 CALL FCPSB_ERRACTIONSAVE(ERR_ACT) IF (LAUX.LT.4) THEN IERROR = 60 INT_VAL(1) = 22 INT_VAL(2) = 4 INT_VAL(3) = LAUX CALL FCPSB_ERRPUSH(IERROR,NAME,INT_VAL) GOTO 9999 ENDIF IF (TRANS.EQ.'N') THEN C NJA = 3*M SCALE = (UNITD.EQ.'L') ! meaningless IOFF = 5 C C SET THE VALUES OF POINTERS TO VECTOR IAN2 AND AUX C PNG = IOFF PIA = PNG + 1 PJA = PIA + 3*(M+2) IF (DESCRA(1:1).EQ.'G') THEN C C CHECK ON DIMENSION OF IAN2 AND AUX C MAX_NG = M/PSB_MINJDROWS_+1 IF ((PIA+3*(MAX_NG+1).GT.LIAN2).OR.(M+1 .GT. LAUX)) THEN C ... If I haven't sufficent memory to compute NG in IAN2 ... IF (M+1+3*(MAX_NG+1)/PSB_DBLEINT_+1.GT.LAUX) THEN C ... If I haven't sufficent memory to compute NG in AUX ... IERROR = 60 INT_VAL(1) = 22 INT_VAL(2) = M+1+3*(MAX_NG+1)/PSB_DBLEINT_+1 INT_VAL(3) = LAUX CALL FCPSB_ERRPUSH(IERROR,NAME,INT_VAL) GOTO 9999 ELSE C ... I have sufficent memory to compute NG in AUX ... CALL DGBLOCK(M,IA2,IP1,AUX(M+2),NG, AUX, LAUX*2) CALL CHECK_DIM(M,N,AUX(M+2),NG,IA2, + NZ,LARN,LIAN1,LIAN2,IERRV) IF (IERRV(1).NE.0) THEN SIZE_REQ = MAX(IERRV(2),IERRV(3),IERRV(4)) GOTO 9998 ENDIF ENDIF END IF NZ = IA2(M+1) - 1 C C ... Initialize Permutation Matrix ... C DO 10 K = 1, M IP1(K) = K 10 CONTINUE IP2(1) = 0 CALL DGBLOCK(M,IA2,IP1,IAN2(PIA),IAN2(PNG), AUX, LAUX*2) PJA = PIA + 3*(IAN2(PNG)+1) C C CHECK FOR ARRAY DIMENSIONS C CALL CHECK_DIM(M,N,IAN2(PIA),IAN2(PNG),IA2, + NZ,LARN,LIAN1,LIAN2,IERRV) IF (IERRV(1) .NE.0) THEN SIZE_REQ = MAX(IERRV(2),IERRV(3),IERRV(4)) GOTO 9998 ENDIF LJA = LIAN2-PJA CALL DGINDEX(M,IAN2(PNG),AR,IA1,IA2,ARN,IAN1,IAN2(PIA), + IAN2(PJA), INFON, LARN,LIAN1, + LJA,IP1, AUX, LAUX*2, SIZE_REQ,IERROR) IF (IERROR.NE.0) THEN CALL FCPSB_ERRPUSH(IERROR,NAME,INT_VAL) GOTO 9999 ENDIF DESCRN(1:1) = 'G' DESCRN(2:2) = 'U' DESCRN(3:3) = 'N' ELSE IF (DESCRA(1:1).EQ.'S' .AND. DESCRA(2:2).EQ.'U') THEN C ISTROW = 1 NZ = 2*(IA2(M+1)-1) - M C C CHECK ON DIMENSION OF IAN1 AND ARN C IF (NZ .GT. LIAN1) THEN IERROR = 60 INT_VAL(1) = 19 INT_VAL(2) = NZ INT_VAL(3) = LAUX LIAN1 = NZ CALL FCPSB_ERRPUSH(IERROR,NAME,INT_VAL) GOTO 9999 END IF IF (NZ .GT. LARN) THEN IERROR = 60 INT_VAL(1) = 18 INT_VAL(2) = NZ INT_VAL(3) = LAUX LIAN1 = NZ CALL FCPSB_ERRPUSH(IERROR,NAME,INT_VAL) GOTO 9999 END IF DO 20 K = 1, M IP2(K) = K 20 CONTINUE c$$$ CALL DVSSG(M,IA1,IA2,IP2,IAN2(PNG),IP1,IP2,AUX(IWLEN), c$$$ * AUX(IWORK1)) c$$$ CALL DVSMR(M,AR,IA1,IA2,IAN2(PNG),AUX(IWLEN),IP1,IP2, c$$$ * IAN2(PIA),IAN2(PJA),IAN1,ARN,AUX(IWORK1), c$$$ * AUX(IWORK2),NJA,IER,SCALE) C ELSE IF (DESCRA(1:1).EQ.'T') THEN C C Only unit diagonal so far for triangular matrices. C IF (DESCRA(3:3).NE.'U') THEN IERROR=3022 CALL FCPSB_ERRPUSH(IERROR,NAME,INT_VAL) GOTO 9999 ENDIF UPLO = DESCRA(2:2) NZ = IA2(M+1) - 1 C C ...Compute levels... C Each level correspond to a block C IAN1 is used as a work area CALL DVTFG(UPLO,M,IA1,IA2,IAN2(PNG),IP2,IP1,IAN1, + AUX,AUX(M+1),AUX(2*(M+1))) C Generate IA(1,*) DO K = 1, IAN2(PNG)+1 IAN2(PIA+3*(K-1)) = IAN1(K) ENDDO CALL GEN_BLOCK(M,IAN2(PNG),IAN2(PIA),AUX) PJA = PIA + 3*(IAN2(PNG)+1) C C CHECK FOR ARRAY DIMENSIONS C CALL CHECK_DIM(M,N,IAN2(PIA),IAN2(PNG),IA2, + NZ,LARN,LIAN1,LIAN2,IERRV) IF (IERRV(1).NE.0) THEN size_req = max(ierrv(2),ierrv(3),ierrv(4)) c$$$ write(0,*) "error 2",ierrv(1) GOTO 9998 endif LJA = LIAN2-PJA CALL DGIND_TRI(M,IAN2(PNG),AR,IA1,IA2,ARN,IAN1,IAN2(PIA), + IAN2(PJA),LARN,LIAN1,LJA,IP1,AUX, LAUX*2, IERROR) IF (IERROR.NE.0) THEN IERROR=4011 CALL FCPSB_ERRPUSH(IERROR,NAME,INT_VAL) GOTO 9999 ENDIF DESCRN(1:1) = 'T' DESCRN(2:2) = DESCRA(2:2) DESCRN(3:3) = DESCRA(3:3) END IF C C SET THE OUTPUT PARAMETER C IAN2(1) = PNG IAN2(2) = PIA IAN2(3) = PJA LARN = NZ LIAN1 = NZ LIAN2 = 3*M + 10 LAUX2 = 4*M + 2 C ELSE IF (TRANS.NE.'N') THEN C C TO BE DONE C IERROR = 3021 CALL FCPSB_ERRPUSH(IERROR,NAME,INT_VAL) GOTO 9999 END IF 9998 CONTINUE 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