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/zcocr.f

516 lines
17 KiB
Fortran

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
C Covert matrix from COO format to CSR Format
C Note: this never sets IP1 and P2!
C
SUBROUTINE ZCOCR(TRANS,M,N,UNITD,D,DESCRA,AR,JA,IA,INFO,
* P1,DESCRN,ARN,IAN1,IAN2,INFON,P2,LARN,LIAN1,
* LIAN2,AUX,LAUX,IERROR)
use psb_const_mod
use psb_error_mod
use psb_spmat_type
use psb_string_mod
IMPLICIT NONE
C
C .. Scalar Arguments ..
INTEGER LARN, LAUX, LAUX2, LIAN1, LIAN2, M,
+ N, IUPDUP, IERROR
CHARACTER TRANS,UNITD
C .. Array Arguments ..
complex(kind(1.d0)) AR(*), ARN(*), D(*)
INTEGER AUX(0:LAUX-1)
INTEGER JA(*), IA(*), INFO(*), IAN1(*), IAN2(*),
* INFON(*), P1(*), P2(*)
CHARACTER DESCRA*11, DESCRN*11
C .. Local Scalars ..
integer nnz, k, row, i, j, nzl, iret
integer ipx, ip1, ip2, check_flag, err_act
integer elem, elem_csr,regen_flag
logical scale
integer max_nnzero
integer, allocatable :: itmp(:)
c .. local arrays ..
character*20 name
integer int_val(5)
integer :: debug_level, debug_unit
C
C ...Common variables...
C .. External Subroutines ..
EXTERNAL MAX_NNZERO
C .. Executable Statements ..
C
NAME = 'ZCOCR'
IERROR = 0
CALL FCPSB_ERRACTIONSAVE(ERR_ACT)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
call psb_getifield(check_flag,psb_dupl_,infon,psb_ifasize_,ierror)
call psb_getifield(regen_flag,psb_upd_,infon,psb_ifasize_,ierror)
IF (toupper(TRANS).EQ.'N') THEN
SCALE = (toupper(UNITD).EQ.'L') ! meaningless
P1(1) = 0
P2(1) = 0
nnz = info(1)
if (debug_level >= psb_debug_serial_) then
write(debug_unit,*) trim(name),': On entry NNZ LAUX ',
+ nnz,laux,larn,lian1,lian2
endif
IF (LAUX.LT.NNZ+2) THEN
IERROR = 60
INT_VAL(1) = 22
INT_VAL(2) = NNZ+2
INT_VAL(3) = LAUX
ELSE 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.M+1) THEN
IERROR = 60
INT_VAL(1) = 20
INT_VAL(2) = M+1
INT_VAL(3) = LIAN2
ENDIF
C
C Error handling
C
IF(IERROR.NE.0) THEN
CALL FCPSB_ERRPUSH(IERROR,NAME,INT_VAL)
GOTO 9999
END IF
allocate(itmp(nnz),stat=iret)
if (iret /= 0) then
call fcpsb_errpush(4010,name,int_val)
goto 9999
end if
do k=1, nnz
arn(k) = ar(k)
ian1(k) = ja(k)
itmp(k) = ia(k)
enddo
! Mark as unavailable by default.
infon(psb_upd_pnt_) = 0
IF (toupper(descra(1:1)).EQ.'G') THEN
C
C Sort COO data structure
C
if (debug_level >= psb_debug_serial_)
+ write(debug_unit,*) trim(name),': First sort',nnz
if ((regen_flag==psb_upd_perm_).and.
+ (lian2.ge.((m+1)+nnz+psb_ireg_flgs_+1))
+ .and.(laux.ge.2*(2+nnz))) then
C
C Prepare for smart regeneration
c
ipx = nnz+3
do i=1, nnz
aux(ipx+i-1) = i
enddo
ip1 = m+2
infon(psb_upd_pnt_) = ip1
ip2 = ip1+psb_ireg_flgs_
ian2(ip1+psb_ip2_) = ip2
ian2(ip1+psb_iflag_) = check_flag
ian2(ip1+psb_nnzt_) = nnz
ian2(ip1+psb_nnz_) = 0
ian2(ip1+psb_ichk_) = nnz+check_flag
if (debug_level >= psb_debug_serial_)
+ write(debug_unit,*) trim(name),
+ ': Build check :',ian2(ip1+psb_nnzt_)
C .... Order with key IA ...
call msort_up(nnz,itmp,aux,iret)
if (iret.eq.0)
+ call zreordvn3(nnz,arn,itmp,ian1,aux(ipx),aux)
if (debug_level >= psb_debug_serial_) then
do i=1, nnz-1
if (itmp(i).gt.itmp(i+1)) then
write(debug_unit,*) trim(name),
+ 'Sorting error:',i,itmp(i),itmp(i+1)
endif
enddo
write(debug_unit,*) trim(name),
+ 'nnz :',m,nnz,itmp(nnz),ian1(nnz)
endif
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 zreordvn3(nzl,arn(i),itmp(i),ian1(i),
+ aux(ipx+i-1),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)
ian2(ip2+aux(ipx+elem-1)-1) = elem_csr
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)
ian2(ip2+aux(ipx+elem-1)-1) = elem_csr
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)
ian2(ip2+aux(ipx+elem-1)-1) = elem_csr
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)
ian2(ip2+aux(ipx+elem-1)-1) = elem_csr-1
else if (check_flag.eq.psb_dupl_add_) then
c ... sum the duplicated element ...
arn(elem_csr-1) = arn(elem_csr-1) + arn(elem)
ian2(ip2+aux(ipx+elem-1)-1) = elem_csr-1
end if
endif
elem = elem + 1
enddo
ian2(row+1) = elem_csr
enddo
else
C .... Order with key IA ...
call msort_up(nnz,itmp,aux,iret)
if (iret.eq.0) call zreordvn(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 zreordvn(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
endif
if (debug_level >= psb_debug_serial_)
+ write(debug_unit,*) trim(name),': Done Rebuild CSR',
+ ian2(m+1),ia(elem)
ELSE IF (toupper(DESCRA(1:1)).EQ.'S' .AND.
+ toupper(DESCRA(2:2)).EQ.'U') THEN
do 20 k = 1, m
p2(k) = k
20 continue
else if (toupper(DESCRA(1:1)).EQ.'T' .AND.
+ toupper(DESCRA(2:2)).EQ.'U') THEN
call msort_up(nnz,itmp,aux,iret)
if (iret.eq.0) call zreordvn(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 zreordvn(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 (toupper(descra(1:1)).EQ.'T' .AND.
+ toupper(DESCRA(2:2)).EQ.'L') THEN
call msort_up(nnz,itmp,aux,iret)
if (iret.eq.0) call zreordvn(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 zreordvn(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 (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