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236 lines
6.2 KiB
Fortran
236 lines
6.2 KiB
Fortran
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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subroutine reordvn(nnz,ar,ia1,ia2,idx)
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integer nnz
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integer ia1(*),ia2(*),idx(0:*)
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double precision ar(*)
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integer lp, kk, swapia1, swapia2, lswap
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double precision swapar
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LP = IDX(0)
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KK = 1
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500 CONTINUE
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IF ((LP.EQ.0).OR.(KK.GT.NNZ)) GOTO 800
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600 CONTINUE
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IF (LP.GE.KK) GOTO 700
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LP = IDX(LP)
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GOTO 600
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700 CONTINUE
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C ... Swap of vectors IA2, IA1, AR ...
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SWAPIA2 = IA2(KK)
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SWAPIA1 = IA1(KK)
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SWAPAR = AR(KK)
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IA2(KK) = IA2(LP)
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IA1(KK) = IA1(LP)
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AR(KK) = AR(LP)
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IA2(LP) = SWAPIA2
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IA1(LP) = SWAPIA1
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AR(LP) = SWAPAR
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LSWAP = IDX(LP)
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IDX(LP) = IDX(KK)
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IDX(KK) = LP
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LP = LSWAP
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KK = KK+1
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GOTO 500
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800 CONTINUE
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return
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end
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subroutine ireordv2(nnz,ia1,ia2,idx)
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integer nnz
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integer ia1(*),ia2(*),idx(0:*)
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integer lp, kk, swapia1, swapia2, lswap
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LP = IDX(0)
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KK = 1
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500 CONTINUE
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IF ((LP.EQ.0).OR.(KK.GT.NNZ)) GOTO 800
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600 CONTINUE
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IF (LP.GE.KK) GOTO 700
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LP = IDX(LP)
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GOTO 600
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700 CONTINUE
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C ... Swap of vectors IA2, IA1 ..
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SWAPIA2 = IA2(KK)
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SWAPIA1 = IA1(KK)
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IA2(KK) = IA2(LP)
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IA1(KK) = IA1(LP)
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IA2(LP) = SWAPIA2
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IA1(LP) = SWAPIA1
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LSWAP = IDX(LP)
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IDX(LP) = IDX(KK)
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IDX(KK) = LP
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LP = LSWAP
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KK = KK+1
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GOTO 500
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800 CONTINUE
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return
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end
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subroutine ireordv1(nnz,ia1,idx)
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integer nnz
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integer ia1(*),idx(0:*)
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integer lp, kk, swapia1, lswap
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LP = IDX(0)
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KK = 1
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500 CONTINUE
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IF ((LP.EQ.0).OR.(KK.GT.NNZ)) GOTO 800
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600 CONTINUE
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IF (LP.GE.KK) GOTO 700
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LP = IDX(LP)
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GOTO 600
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700 CONTINUE
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C ... Swap of vectors IA2, IA1, AR ...
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SWAPIA1 = IA1(KK)
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IA1(KK) = IA1(LP)
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IA1(LP) = SWAPIA1
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LSWAP = IDX(LP)
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IDX(LP) = IDX(KK)
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IDX(KK) = LP
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LP = LSWAP
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KK = KK+1
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GOTO 500
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800 CONTINUE
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return
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end
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subroutine reordvn3(nnz,ar,ia1,ia2,ia3,idx)
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integer nnz
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integer ia1(*),ia2(*),ia3(*),idx(0:*)
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double precision ar(*)
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integer lp, kk, swapia1, swapia2, swapia3,lswap
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double precision swapar
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LP = IDX(0)
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KK = 1
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500 CONTINUE
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IF ((LP.EQ.0).OR.(KK.GT.NNZ)) GOTO 800
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600 CONTINUE
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IF (LP.GE.KK) GOTO 700
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LP = IDX(LP)
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GOTO 600
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700 CONTINUE
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C ... Swap of vectors IA2, IA1, AR ...
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SWAPIA3 = IA3(KK)
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SWAPIA2 = IA2(KK)
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SWAPIA1 = IA1(KK)
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SWAPAR = AR(KK)
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IA3(KK) = IA3(LP)
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IA2(KK) = IA2(LP)
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IA1(KK) = IA1(LP)
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AR(KK) = AR(LP)
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IA3(LP) = SWAPIA3
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IA2(LP) = SWAPIA2
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IA1(LP) = SWAPIA1
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AR(LP) = SWAPAR
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LSWAP = IDX(LP)
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IDX(LP) = IDX(KK)
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IDX(KK) = LP
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LP = LSWAP
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KK = KK+1
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GOTO 500
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800 CONTINUE
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return
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end
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subroutine zreordvn(nnz,ar,ia1,ia2,idx)
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integer nnz
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integer ia1(*),ia2(*),idx(0:*)
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complex*16 ar(*)
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integer lp, kk, swapia1, swapia2, lswap
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complex*16 swapar
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LP = IDX(0)
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KK = 1
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500 CONTINUE
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IF ((LP.EQ.0).OR.(KK.GT.NNZ)) GOTO 800
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600 CONTINUE
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IF (LP.GE.KK) GOTO 700
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LP = IDX(LP)
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GOTO 600
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700 CONTINUE
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C ... Swap of vectors IA2, IA1, AR ...
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SWAPIA2 = IA2(KK)
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SWAPIA1 = IA1(KK)
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SWAPAR = AR(KK)
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IA2(KK) = IA2(LP)
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IA1(KK) = IA1(LP)
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AR(KK) = AR(LP)
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IA2(LP) = SWAPIA2
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IA1(LP) = SWAPIA1
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AR(LP) = SWAPAR
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LSWAP = IDX(LP)
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IDX(LP) = IDX(KK)
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IDX(KK) = LP
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LP = LSWAP
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KK = KK+1
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GOTO 500
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800 CONTINUE
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return
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end
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subroutine zreordvn3(nnz,ar,ia1,ia2,ia3,idx)
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integer nnz
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integer ia1(*),ia2(*),ia3(*),idx(0:*)
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complex*16 ar(*)
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integer lp, kk, swapia1, swapia2, swapia3,lswap
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complex*16 swapar
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LP = IDX(0)
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KK = 1
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500 CONTINUE
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IF ((LP.EQ.0).OR.(KK.GT.NNZ)) GOTO 800
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600 CONTINUE
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IF (LP.GE.KK) GOTO 700
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LP = IDX(LP)
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GOTO 600
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700 CONTINUE
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C ... Swap of vectors IA2, IA1, AR ...
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SWAPIA3 = IA3(KK)
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SWAPIA2 = IA2(KK)
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SWAPIA1 = IA1(KK)
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SWAPAR = AR(KK)
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IA3(KK) = IA3(LP)
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IA2(KK) = IA2(LP)
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IA1(KK) = IA1(LP)
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AR(KK) = AR(LP)
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IA3(LP) = SWAPIA3
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IA2(LP) = SWAPIA2
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IA1(LP) = SWAPIA1
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AR(LP) = SWAPAR
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LSWAP = IDX(LP)
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IDX(LP) = IDX(KK)
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IDX(KK) = LP
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LP = LSWAP
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KK = KK+1
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GOTO 500
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800 CONTINUE
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return
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end
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