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260 lines
8.0 KiB
Fortran
260 lines
8.0 KiB
Fortran
13 years ago
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!!$
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!!$ Parallel Sparse BLAS version 2.2
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!!$ (C) Copyright 2006/2007/2008
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!!$ Salvatore Filippone University of Rome Tor Vergata
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!!$ Alfredo Buttari University of Rome Tor Vergata
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!!$
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!!$ Redistribution and use in source and binary forms, with or without
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!!$ modification, are permitted provided that the following conditions
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!!$ are met:
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!!$ 1. Redistributions of source code must retain the above copyright
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!!$ notice, this list of conditions and the following disclaimer.
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!!$ 2. Redistributions in binary form must reproduce the above copyright
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!!$ notice, this list of conditions, and the following disclaimer in the
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!!$ documentation and/or other materials provided with the distribution.
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!!$ 3. The name of the PSBLAS group or the names of its contributors may
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!!$ not be used to endorse or promote products derived from this
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!!$ software without specific written permission.
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!!$
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!!$ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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!!$ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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!!$ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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!!$ PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
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!!$ BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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!!$ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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!!$ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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!!$ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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!!$ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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!!$ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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!!$ POSSIBILITY OF SUCH DAMAGE.
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!!$
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!!$
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! File: psb_sgelp.f90
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!
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!
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! Subroutine: psb_sgelp
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! Apply a left permutation to a dense matrix
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!
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! Arguments:
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! trans - character.
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! iperm - integer.
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! x - real, dimension(:,:).
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! info - integer. Return code.
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subroutine psb_sgelp(trans,iperm,x,info)
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use psb_serial_mod, psb_protect_name => psb_sgelp
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use psb_const_mod
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use psb_error_mod
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implicit none
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real(psb_spk_), intent(inout) :: x(:,:)
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integer, intent(in) :: iperm(:)
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integer, intent(out) :: info
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character, intent(in) :: trans
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! local variables
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integer :: ictxt
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real(psb_spk_),allocatable :: temp(:)
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integer :: int_err(5), i1sz, i2sz, err_act,i,j
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integer, allocatable :: itemp(:)
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real(psb_spk_),parameter :: one=1
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integer :: debug_level, debug_unit
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character(len=20) :: name, ch_err
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name = 'psb_sgelp'
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if(psb_get_errstatus() /= 0) return
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info=psb_success_
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call psb_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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i1sz = size(x,dim=1)
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i2sz = size(x,dim=2)
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if (debug_level >= psb_debug_serial_)&
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& write(debug_unit,*) trim(name),': size',i1sz,i2sz
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allocate(temp(i1sz),itemp(size(iperm)),stat=info)
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if (info /= psb_success_) then
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info=2040
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call psb_errpush(info,name)
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goto 9999
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end if
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itemp(:) = iperm(:)
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if (.not.psb_isaperm(i1sz,itemp)) then
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info=psb_err_iarg_invalid_value_
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int_err(1) = 1
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call psb_errpush(info,name,i_err=int_err)
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goto 9999
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endif
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select case( psb_toupper(trans))
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case('N')
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do j=1,i2sz
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do i=1,i1sz
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temp(i) = x(itemp(i),j)
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end do
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do i=1,i1sz
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x(i,j) = temp(i)
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end do
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end do
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case('T')
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do j=1,i2sz
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do i=1,i1sz
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temp(itemp(i)) = x(i,j)
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end do
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do i=1,i1sz
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x(i,j) = temp(i)
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end do
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end do
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case default
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info=psb_err_from_subroutine_
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ch_err='dgelp'
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call psb_errpush(info,name,a_err=ch_err)
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end select
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deallocate(temp,itemp)
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call psb_erractionrestore(err_act)
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return
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9999 continue
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call psb_erractionrestore(err_act)
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if (err_act == psb_act_ret_) then
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return
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else
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call psb_error(ictxt)
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end if
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return
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end subroutine psb_sgelp
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!!$
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!!$ Parallel Sparse BLAS version 2.2
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|
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!!$ (C) Copyright 2006/2007/2008
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|
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!!$ Salvatore Filippone University of Rome Tor Vergata
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||
|
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!!$ Alfredo Buttari University of Rome Tor Vergata
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!!$
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!!$ Redistribution and use in source and binary forms, with or without
|
||
|
|
!!$ modification, are permitted provided that the following conditions
|
||
|
|
!!$ are met:
|
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|
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!!$ 1. Redistributions of source code must retain the above copyright
|
||
|
|
!!$ notice, this list of conditions and the following disclaimer.
|
||
|
|
!!$ 2. Redistributions in binary form must reproduce the above copyright
|
||
|
|
!!$ notice, this list of conditions, and the following disclaimer in the
|
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|
|
!!$ documentation and/or other materials provided with the distribution.
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|
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!!$ 3. The name of the PSBLAS group or the names of its contributors may
|
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|
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!!$ not be used to endorse or promote products derived from this
|
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|
|
!!$ software without specific written permission.
|
||
|
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!!$
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!!$ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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!!$ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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!!$ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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!!$ PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
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||
|
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!!$ BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
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|
|
!!$ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
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|
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!!$ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||
|
|
!!$ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
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|
|
!!$ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||
|
|
!!$ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
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|
|
!!$ POSSIBILITY OF SUCH DAMAGE.
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!!$
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!!$
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!
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!
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! Subroutine: psb_sgelpv
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! Apply a left permutation to a dense matrix
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!
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! Arguments:
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! trans - character.
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! iperm - integer.
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! x - real, dimension(:).
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! info - integer. Return code.
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subroutine psb_sgelpv(trans,iperm,x,info)
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use psb_serial_mod, psb_protect_name => psb_sgelpv
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use psb_const_mod
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use psb_error_mod
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implicit none
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real(psb_spk_), intent(inout) :: x(:)
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integer, intent(in) :: iperm(:)
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integer, intent(out) :: info
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character, intent(in) :: trans
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! local variables
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integer :: ictxt
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integer :: int_err(5), i1sz, err_act, i
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real(psb_spk_),allocatable :: temp(:)
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integer, allocatable :: itemp(:)
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real(psb_spk_),parameter :: one=1
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integer :: debug_level, debug_unit
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character(len=20) :: name, ch_err
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name = 'psb_sgelpv'
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if(psb_get_errstatus() /= 0) return
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info=psb_success_
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call psb_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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i1sz = min(size(x),size(iperm))
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if (debug_level >= psb_debug_serial_)&
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& write(debug_unit,*) trim(name),': size',i1sz
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allocate(temp(i1sz),itemp(size(iperm)),stat=info)
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if (info /= psb_success_) then
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info=2040
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call psb_errpush(info,name)
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goto 9999
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end if
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itemp(:) = iperm(:)
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if (.not.psb_isaperm(i1sz,itemp)) then
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info=psb_err_iarg_invalid_value_
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int_err(1) = 1
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call psb_errpush(info,name,i_err=int_err)
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goto 9999
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endif
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select case( psb_toupper(trans))
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case('N')
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do i=1,i1sz
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temp(i) = x(itemp(i))
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end do
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do i=1,i1sz
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x(i) = temp(i)
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end do
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case('T')
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do i=1,i1sz
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temp(itemp(i)) = x(i)
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end do
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do i=1,i1sz
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x(i) = temp(i)
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end do
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case default
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info=psb_err_from_subroutine_
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ch_err='dgelp'
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call psb_errpush(info,name,a_err=ch_err)
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end select
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deallocate(temp,itemp)
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call psb_erractionrestore(err_act)
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return
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9999 continue
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call psb_erractionrestore(err_act)
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if (err_act == psb_act_ret_) then
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return
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else
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call psb_error(ictxt)
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end if
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return
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end subroutine psb_sgelpv
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