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519 lines
17 KiB
FortranFixed
519 lines
17 KiB
FortranFixed
17 years ago
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C
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C Parallel Sparse BLAS version 2.2
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C (C) Copyright 2006/2007/2008
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C 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 COO format to CSR Format
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C Note: this never sets IP1 and P2!
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C
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SUBROUTINE SCOCR(TRANS,M,N,UNITD,D,DESCRA,AR,JA,IA,INFO,
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* P1,DESCRN,ARN,IAN1,IAN2,INFON,P2,LARN,LIAN1,
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* LIAN2,AUX,LAUX,IERROR)
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use psb_const_mod
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use psb_error_mod
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use psb_spmat_type
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use psb_string_mod
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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,
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+ N, IERROR
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CHARACTER TRANS,UNITD
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C .. Array Arguments ..
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real(psb_spk_) AR(*), ARN(*), D(*)
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INTEGER AUX(0:LAUX-1)
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INTEGER JA(*), IA(*), INFO(*), IAN1(*), IAN2(*),
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* INFON(*), P1(*), P2(*)
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CHARACTER DESCRA*11, DESCRN*11
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C .. Local Scalars ..
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integer nnz, k, row, i, j, nzl, iret
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integer ipx, ip1, ip2, check_flag, err_act
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integer elem, elem_csr,regen_flag
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logical scale
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integer max_nnzero
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integer, allocatable :: itmp(:)
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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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integer :: debug_level, debug_unit
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c
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C ...Common variables...
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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 = 'SCOCR'
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IERROR = 0
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CALL FCPSB_ERRACTIONSAVE(ERR_ACT)
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debug_unit = psb_get_debug_unit()
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debug_level = psb_get_debug_level()
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call psb_getifield(check_flag,psb_dupl_,infon,psb_ifasize_,ierror)
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call psb_getifield(regen_flag,psb_upd_,infon,psb_ifasize_,ierror)
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IF (psb_toupper(TRANS).EQ.'N') THEN
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SCALE = (psb_toupper(UNITD).EQ.'L') ! meaningless
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P1(1) = 0
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P2(1) = 0
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nnz = info(1)
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if (debug_level >= psb_debug_serial_) then
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write(debug_unit,*) trim(name),': On entry NNZ LAUX ',
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+ nnz,laux,larn,lian1,lian2
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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) = 22
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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) = 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.M+1) THEN
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IERROR = 60
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INT_VAL(1) = 20
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INT_VAL(2) = M+1
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INT_VAL(3) = LIAN2
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ENDIF
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C
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C Error handling
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C
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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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allocate(itmp(nnz),stat=iret)
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if (iret /= 0) then
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call fcpsb_errpush(4010,name,int_val)
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goto 9999
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end if
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do k=1, nnz
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arn(k) = ar(k)
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ian1(k) = ja(k)
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itmp(k) = ia(k)
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enddo
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! Mark as unavailable by default.
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infon(psb_upd_pnt_) = 0
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IF (psb_toupper(descra(1:1)).EQ.'G') THEN
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C
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C Sort COO data structure
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C
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if (debug_level >= psb_debug_serial_)
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+ write(debug_unit,*) trim(name),': First sort',nnz
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if ((regen_flag==psb_upd_perm_).and.
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+ (lian2.ge.((m+1)+nnz+psb_ireg_flgs_+1))
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+ .and.(laux.ge.2*(2+nnz))) then
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C
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C Prepare for smart regeneration
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c
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ipx = nnz+3
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do i=1, nnz
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aux(ipx+i-1) = i
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enddo
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ip1 = m+2
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infon(psb_upd_pnt_) = ip1
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ip2 = ip1+psb_ireg_flgs_
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ian2(ip1+psb_ip2_) = ip2
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ian2(ip1+psb_iflag_) = check_flag
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ian2(ip1+psb_nnzt_) = nnz
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ian2(ip1+psb_nnz_) = 0
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ian2(ip1+psb_ichk_) = nnz+check_flag
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if (debug_level >= psb_debug_serial_)
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+ write(debug_unit,*) trim(name),
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+ ': Build check :',ian2(ip1+psb_nnzt_)
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C .... Order with key IA ...
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call msort_up(nnz,itmp,aux,iret)
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if (iret.eq.0)
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+ call sreordvn3(nnz,arn,itmp,ian1,aux(ipx),aux)
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if (debug_level >= psb_debug_serial_) then
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do i=1, nnz-1
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if (itmp(i).gt.itmp(i+1)) then
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write(debug_unit,*) trim(name),
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+ 'Sorting error:',i,itmp(i),itmp(i+1)
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endif
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enddo
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write(debug_unit,*) trim(name),
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+ 'nnz :',m,nnz,itmp(nnz),ian1(nnz)
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endif
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C .... Order with key JA ...
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I = 1
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J = I
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do
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if (i>nnz) exit
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do
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if (j>nnz) exit
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if (itmp(j) /= itmp(i)) exit
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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,ian1(i),aux,iret)
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if (iret.eq.0)
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+ call sreordvn3(nzl,arn(i),itmp(i),ian1(i),
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+ aux(ipx+i-1),aux)
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i = j
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enddo
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c ... Construct CSR Representation...
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elem = 1
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elem_csr = 1
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c ... Insert first element ...
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do row = 1, itmp(1)
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ian2(row) = 1
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enddo
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if (debug_level >= psb_debug_serial_)
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+ write(debug_unit,*) trim(name),
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+ ': Rebuild CSR',ia(1),elem_csr
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ian1(elem_csr) = ian1(elem)
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arn(elem_csr) = arn(elem)
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ian2(ip2+aux(ipx+elem-1)-1) = elem_csr
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elem = elem+1
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elem_csr = elem_csr+1
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c ... insert remaining element ...
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do row = itmp(1), m
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do
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if (elem > nnz) exit
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if (itmp(elem) /= row) exit
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if (itmp(elem).ne.itmp(elem-1)) then
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c ... insert first element of a row ...
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ian1(elem_csr) = ian1(elem)
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arn(elem_csr) = arn(elem)
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ian2(ip2+aux(ipx+elem-1)-1) = elem_csr
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elem_csr = elem_csr+1
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else if (ian1(elem).ne.ian1(elem-1)) then
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c ... insert other element of row ...
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ian1(elem_csr) = ian1(elem)
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arn(elem_csr) = arn(elem)
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ian2(ip2+aux(ipx+elem-1)-1) = elem_csr
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elem_csr = elem_csr+1
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else
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if (check_flag.eq.psb_dupl_err_) then
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c ... error, there are duplicated elements ...
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ierror = 130
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call fcpsb_errpush(ierror,name,int_val)
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goto 9999
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else if (check_flag.eq.psb_dupl_ovwrt_) then
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c ... insert only the last duplicated element ...
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arn(elem_csr-1) = arn(elem)
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ian2(ip2+aux(ipx+elem-1)-1) = elem_csr-1
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else if (check_flag.eq.psb_dupl_add_) then
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c ... sum the duplicated element ...
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arn(elem_csr-1) = arn(elem_csr-1) + arn(elem)
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ian2(ip2+aux(ipx+elem-1)-1) = elem_csr-1
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end if
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endif
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elem = elem + 1
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enddo
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ian2(row+1) = elem_csr
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enddo
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else
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C .... Order with key IA ...
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call msort_up(nnz,itmp,aux,iret)
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if (iret.eq.0) call sreordvn(nnz,arn,itmp,ian1,aux)
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C .... Order with key JA ...
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i = 1
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j = i
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do
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if (i>nnz) exit
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do
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if (j>nnz) exit
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if (itmp(j) /= itmp(i)) exit
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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,ian1(i),aux,iret)
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if (iret.eq.0)
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+ call sreordvn(nzl,arn(i),itmp(i),ian1(i),aux)
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i = j
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enddo
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C ... Construct CSR Representation...
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elem = 1
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elem_csr = 1
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C ... Insert first element ...
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do row = 1, itmp(1)
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ian2(row) = 1
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enddo
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if (debug_level >= psb_debug_serial_)
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+ write(debug_unit,*) trim(name),
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+ ': Rebuild CSR',ia(1),elem_csr
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ian1(elem_csr) = ian1(elem)
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arn(elem_csr) = arn(elem)
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elem = elem+1
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elem_csr = elem_csr+1
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C ... Insert remaining element ...
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do row = itmp(1), m
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do
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if (elem > nnz) exit
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if (itmp(elem) /= row) exit
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if (itmp(elem).ne.itmp(elem-1)) then
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c ... insert first element of a row ...
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ian1(elem_csr) = ian1(elem)
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arn(elem_csr) = arn(elem)
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elem_csr = elem_csr+1
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else if (ian1(elem).ne.ian1(elem-1)) then
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C ... Insert other element of row ...
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ian1(elem_csr) = ian1(elem)
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arn(elem_csr) = arn(elem)
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elem_csr = elem_csr+1
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else
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if (check_flag.eq.psb_dupl_err_) then
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c ... error, there are duplicated elements ...
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ierror = 130
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call fcpsb_errpush(ierror,name,int_val)
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goto 9999
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else if (check_flag.eq.psb_dupl_ovwrt_) then
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c ... insert only the last duplicated element ...
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arn(elem_csr-1) = arn(elem)
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else if (check_flag.eq.psb_dupl_add_) then
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c ... sum the duplicated element ...
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arn(elem_csr-1) = arn(elem_csr-1) + arn(elem)
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end if
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endif
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elem = elem + 1
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enddo
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ian2(row+1) = elem_csr
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enddo
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endif
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if (debug_level >= psb_debug_serial_)
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+ write(debug_unit,*) trim(name),': Done Rebuild CSR',
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+ ian2(m+1),ia(elem)
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ELSE IF (psb_toupper(DESCRA(1:1)).EQ.'S' .AND.
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+ psb_toupper(DESCRA(2:2)).EQ.'U') THEN
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do 20 k = 1, m
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p2(k) = k
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20 continue
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else if (psb_toupper(DESCRA(1:1)).EQ.'T' .AND.
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+ psb_toupper(DESCRA(2:2)).EQ.'U') THEN
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call msort_up(nnz,itmp,aux,iret)
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if (iret.eq.0) call sreordvn(nnz,arn,itmp,ian1,aux)
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C .... Order with key JA ...
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|
i = 1
|
||
|
|
j = i
|
||
|
|
do
|
||
|
|
if (i>nnz) exit
|
||
|
|
do
|
||
|
|
if (j>nnz) exit
|
||
|
|
if (itmp(j) /= itmp(i)) exit
|
||
|
|
j = j+1
|
||
|
|
enddo
|
||
|
|
nzl = j - i
|
||
|
|
call msort_up(nzl,ian1(i),aux,iret)
|
||
|
|
if (iret.eq.0)
|
||
|
|
+ call sreordvn(nzl,arn(i),itmp(i),ian1(i),aux)
|
||
|
|
i = j
|
||
|
|
enddo
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
C ... Construct CSR Representation...
|
||
|
|
elem = 1
|
||
|
|
elem_csr = 1
|
||
|
|
C ... Insert first element ...
|
||
|
|
do row = 1, itmp(1)
|
||
|
|
ian2(row) = 1
|
||
|
|
enddo
|
||
|
|
if (debug_level >= psb_debug_serial_)
|
||
|
|
+ write(debug_unit,*) trim(name),
|
||
|
|
+ ': Rebuild CSR',ia(1),elem_csr
|
||
|
|
|
||
|
|
ian1(elem_csr) = ian1(elem)
|
||
|
|
arn(elem_csr) = arn(elem)
|
||
|
|
elem = elem+1
|
||
|
|
elem_csr = elem_csr+1
|
||
|
|
C ... Insert remaining element ...
|
||
|
|
do row = itmp(1), m
|
||
|
|
do
|
||
|
|
if (elem > nnz) exit
|
||
|
|
if (itmp(elem) /= row) exit
|
||
|
|
if (itmp(elem).ne.itmp(elem-1)) then
|
||
|
|
c ... insert first element of a row ...
|
||
|
|
ian1(elem_csr) = ian1(elem)
|
||
|
|
arn(elem_csr) = arn(elem)
|
||
|
|
elem_csr = elem_csr+1
|
||
|
|
else if (ian1(elem).ne.ian1(elem-1)) then
|
||
|
|
C ... Insert other element of row ...
|
||
|
|
ian1(elem_csr) = ian1(elem)
|
||
|
|
arn(elem_csr) = arn(elem)
|
||
|
|
elem_csr = elem_csr+1
|
||
|
|
else
|
||
|
|
if (check_flag.eq.psb_dupl_err_) then
|
||
|
|
c ... error, there are duplicated elements ...
|
||
|
|
ierror = 130
|
||
|
|
call fcpsb_errpush(ierror,name,int_val)
|
||
|
|
goto 9999
|
||
|
|
else if (check_flag.eq.psb_dupl_ovwrt_) then
|
||
|
|
c ... insert only the last duplicated element ...
|
||
|
|
arn(elem_csr-1) = arn(elem)
|
||
|
|
else if (check_flag.eq.psb_dupl_add_) then
|
||
|
|
c ... sum the duplicated element ...
|
||
|
|
arn(elem_csr-1) = arn(elem_csr-1) + arn(elem)
|
||
|
|
end if
|
||
|
|
endif
|
||
|
|
elem = elem + 1
|
||
|
|
enddo
|
||
|
|
ian2(row+1) = elem_csr
|
||
|
|
enddo
|
||
|
|
|
||
|
|
else if (psb_toupper(descra(1:1)).EQ.'T' .AND.
|
||
|
|
+ psb_toupper(DESCRA(2:2)).EQ.'L') THEN
|
||
|
|
|
||
|
|
call msort_up(nnz,itmp,aux,iret)
|
||
|
|
if (iret.eq.0) call sreordvn(nnz,arn,itmp,ian1,aux)
|
||
|
|
C .... Order with key JA ...
|
||
|
|
i = 1
|
||
|
|
j = i
|
||
|
|
do
|
||
|
|
if (i>nnz) exit
|
||
|
|
do
|
||
|
|
if (j>nnz) exit
|
||
|
|
if (itmp(j) /= itmp(i)) exit
|
||
|
|
j = j+1
|
||
|
|
enddo
|
||
|
|
nzl = j - i
|
||
|
|
call msort_up(nzl,ian1(i),aux,iret)
|
||
|
|
if (iret.eq.0)
|
||
|
|
+ call sreordvn(nzl,arn(i),itmp(i),ian1(i),aux)
|
||
|
|
i = j
|
||
|
|
enddo
|
||
|
|
|
||
|
|
C ... Construct CSR Representation...
|
||
|
|
elem = 1
|
||
|
|
elem_csr = 1
|
||
|
|
C ... Insert first element ...
|
||
|
|
do row = 1, itmp(1)
|
||
|
|
ian2(row) = 1
|
||
|
|
enddo
|
||
|
|
if (debug_level >= psb_debug_serial_)
|
||
|
|
+ write(debug_unit,*) trim(name),
|
||
|
|
+ ': Rebuild CSR',ia(1),elem_csr
|
||
|
|
|
||
|
|
ian1(elem_csr) = ian1(elem)
|
||
|
|
arn(elem_csr) = arn(elem)
|
||
|
|
elem = elem+1
|
||
|
|
elem_csr = elem_csr+1
|
||
|
|
C ... Insert remaining element ...
|
||
|
|
do row = itmp(1), m
|
||
|
|
do
|
||
|
|
if (elem > nnz) exit
|
||
|
|
if (itmp(elem) /= row) exit
|
||
|
|
if (itmp(elem).ne.itmp(elem-1)) then
|
||
|
|
c ... insert first element of a row ...
|
||
|
|
ian1(elem_csr) = ian1(elem)
|
||
|
|
arn(elem_csr) = arn(elem)
|
||
|
|
elem_csr = elem_csr+1
|
||
|
|
else if (ian1(elem).ne.ian1(elem-1)) then
|
||
|
|
C ... Insert other element of row ...
|
||
|
|
ian1(elem_csr) = ian1(elem)
|
||
|
|
arn(elem_csr) = arn(elem)
|
||
|
|
elem_csr = elem_csr+1
|
||
|
|
else
|
||
|
|
if (check_flag.eq.psb_dupl_err_) then
|
||
|
|
c ... error, there are duplicated elements ...
|
||
|
|
ierror = 130
|
||
|
|
call fcpsb_errpush(ierror,name,int_val)
|
||
|
|
goto 9999
|
||
|
|
else if (check_flag.eq.psb_dupl_ovwrt_) then
|
||
|
|
c ... insert only the last duplicated element ...
|
||
|
|
arn(elem_csr-1) = arn(elem)
|
||
|
|
else if (check_flag.eq.psb_dupl_add_) then
|
||
|
|
c ... sum the duplicated element ...
|
||
|
|
arn(elem_csr-1) = arn(elem_csr-1) + arn(elem)
|
||
|
|
end if
|
||
|
|
endif
|
||
|
|
elem = elem + 1
|
||
|
|
enddo
|
||
|
|
ian2(row+1) = elem_csr
|
||
|
|
enddo
|
||
|
|
|
||
|
|
if (debug_level >= psb_debug_serial_)
|
||
|
|
+ write(debug_unit,*) trim(name),': Done Rebuild CSR',
|
||
|
|
+ ian2(m+1),ia(elem)
|
||
|
|
|
||
|
|
|
||
|
|
end if
|
||
|
|
c
|
||
|
|
else if (psb_toupper(TRANS).NE.'N') then
|
||
|
|
c
|
||
|
|
c to do
|
||
|
|
c
|
||
|
|
ierror = 3021
|
||
|
|
call fcpsb_errpush(ierror,name,int_val)
|
||
|
|
goto 9999
|
||
|
|
|
||
|
|
end if
|
||
|
|
infon(1)=elem_csr-1
|
||
|
|
|
||
|
|
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
|