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/reordvn.f

242 lines
6.4 KiB
Fortran

C
C Parallel Sparse BLAS version 2.2
C (C) Copyright 2006/2007/2008
C 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 reordvn(nnz,ar,ia1,ia2,idx)
use psb_const_mod
integer nnz
integer ia1(*),ia2(*),idx(0:*)
real(psb_dpk_) ar(*)
integer lp, kk, swapia1, swapia2, lswap
real(psb_dpk_) swapar
LP = IDX(0)
KK = 1
500 CONTINUE
IF ((LP.EQ.0).OR.(KK.GT.NNZ)) GOTO 800
600 CONTINUE
IF (LP.GE.KK) GOTO 700
LP = IDX(LP)
GOTO 600
700 CONTINUE
C ... Swap of vectors IA2, IA1, AR ...
SWAPIA2 = IA2(KK)
SWAPIA1 = IA1(KK)
SWAPAR = AR(KK)
IA2(KK) = IA2(LP)
IA1(KK) = IA1(LP)
AR(KK) = AR(LP)
IA2(LP) = SWAPIA2
IA1(LP) = SWAPIA1
AR(LP) = SWAPAR
LSWAP = IDX(LP)
IDX(LP) = IDX(KK)
IDX(KK) = LP
LP = LSWAP
KK = KK+1
GOTO 500
800 CONTINUE
return
end
subroutine ireordv2(nnz,ia1,ia2,idx)
use psb_const_mod
integer nnz
integer ia1(*),ia2(*),idx(0:*)
integer lp, kk, swapia1, swapia2, lswap
LP = IDX(0)
KK = 1
500 CONTINUE
IF ((LP.EQ.0).OR.(KK.GT.NNZ)) GOTO 800
600 CONTINUE
IF (LP.GE.KK) GOTO 700
LP = IDX(LP)
GOTO 600
700 CONTINUE
C ... Swap of vectors IA2, IA1 ..
SWAPIA2 = IA2(KK)
SWAPIA1 = IA1(KK)
IA2(KK) = IA2(LP)
IA1(KK) = IA1(LP)
IA2(LP) = SWAPIA2
IA1(LP) = SWAPIA1
LSWAP = IDX(LP)
IDX(LP) = IDX(KK)
IDX(KK) = LP
LP = LSWAP
KK = KK+1
GOTO 500
800 CONTINUE
return
end
subroutine ireordv1(nnz,ia1,idx)
use psb_const_mod
integer nnz
integer ia1(*),idx(0:*)
integer lp, kk, swapia1, lswap
LP = IDX(0)
KK = 1
500 CONTINUE
IF ((LP.EQ.0).OR.(KK.GT.NNZ)) GOTO 800
600 CONTINUE
IF (LP.GE.KK) GOTO 700
LP = IDX(LP)
GOTO 600
700 CONTINUE
C ... Swap of vectors IA2, IA1, AR ...
SWAPIA1 = IA1(KK)
IA1(KK) = IA1(LP)
IA1(LP) = SWAPIA1
LSWAP = IDX(LP)
IDX(LP) = IDX(KK)
IDX(KK) = LP
LP = LSWAP
KK = KK+1
GOTO 500
800 CONTINUE
return
end
subroutine reordvn3(nnz,ar,ia1,ia2,ia3,idx)
use psb_const_mod
integer nnz
integer ia1(*),ia2(*),ia3(*),idx(0:*)
real(psb_dpk_) ar(*)
integer lp, kk, swapia1, swapia2, swapia3,lswap
real(psb_dpk_) swapar
LP = IDX(0)
KK = 1
500 CONTINUE
IF ((LP.EQ.0).OR.(KK.GT.NNZ)) GOTO 800
600 CONTINUE
IF (LP.GE.KK) GOTO 700
LP = IDX(LP)
GOTO 600
700 CONTINUE
C ... Swap of vectors IA2, IA1, AR ...
SWAPIA3 = IA3(KK)
SWAPIA2 = IA2(KK)
SWAPIA1 = IA1(KK)
SWAPAR = AR(KK)
IA3(KK) = IA3(LP)
IA2(KK) = IA2(LP)
IA1(KK) = IA1(LP)
AR(KK) = AR(LP)
IA3(LP) = SWAPIA3
IA2(LP) = SWAPIA2
IA1(LP) = SWAPIA1
AR(LP) = SWAPAR
LSWAP = IDX(LP)
IDX(LP) = IDX(KK)
IDX(KK) = LP
LP = LSWAP
KK = KK+1
GOTO 500
800 CONTINUE
return
end
subroutine zreordvn(nnz,ar,ia1,ia2,idx)
use psb_const_mod
integer nnz
integer ia1(*),ia2(*),idx(0:*)
complex(psb_dpk_) ar(*)
integer lp, kk, swapia1, swapia2, lswap
complex(psb_dpk_) swapar
LP = IDX(0)
KK = 1
500 CONTINUE
IF ((LP.EQ.0).OR.(KK.GT.NNZ)) GOTO 800
600 CONTINUE
IF (LP.GE.KK) GOTO 700
LP = IDX(LP)
GOTO 600
700 CONTINUE
C ... Swap of vectors IA2, IA1, AR ...
SWAPIA2 = IA2(KK)
SWAPIA1 = IA1(KK)
SWAPAR = AR(KK)
IA2(KK) = IA2(LP)
IA1(KK) = IA1(LP)
AR(KK) = AR(LP)
IA2(LP) = SWAPIA2
IA1(LP) = SWAPIA1
AR(LP) = SWAPAR
LSWAP = IDX(LP)
IDX(LP) = IDX(KK)
IDX(KK) = LP
LP = LSWAP
KK = KK+1
GOTO 500
800 CONTINUE
return
end
subroutine zreordvn3(nnz,ar,ia1,ia2,ia3,idx)
use psb_const_mod
integer nnz
integer ia1(*),ia2(*),ia3(*),idx(0:*)
complex(psb_dpk_) ar(*)
integer lp, kk, swapia1, swapia2, swapia3,lswap
complex(psb_dpk_) swapar
LP = IDX(0)
KK = 1
500 CONTINUE
IF ((LP.EQ.0).OR.(KK.GT.NNZ)) GOTO 800
600 CONTINUE
IF (LP.GE.KK) GOTO 700
LP = IDX(LP)
GOTO 600
700 CONTINUE
C ... Swap of vectors IA2, IA1, AR ...
SWAPIA3 = IA3(KK)
SWAPIA2 = IA2(KK)
SWAPIA1 = IA1(KK)
SWAPAR = AR(KK)
IA3(KK) = IA3(LP)
IA2(KK) = IA2(LP)
IA1(KK) = IA1(LP)
AR(KK) = AR(LP)
IA3(LP) = SWAPIA3
IA2(LP) = SWAPIA2
IA1(LP) = SWAPIA1
AR(LP) = SWAPAR
LSWAP = IDX(LP)
IDX(LP) = IDX(KK)
IDX(KK) = LP
LP = LSWAP
KK = KK+1
GOTO 500
800 CONTINUE
return
end