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psblas3/base/serial/psb_sgelp.f90

253 lines
8.1 KiB
Fortran

!!$
!!$ Parallel Sparse BLAS version 2.2
!!$ (C) Copyright 2006/2007/2008
!!$ Salvatore Filippone University of Rome Tor Vergata
!!$ Alfredo Buttari University of Rome Tor Vergata
!!$
!!$ Redistribution and use in source and binary forms, with or without
!!$ modification, are permitted provided that the following conditions
!!$ are met:
!!$ 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
!!$ documentation and/or other materials provided with the distribution.
!!$ 3. The name of the PSBLAS group or the names of its contributors may
!!$ not be used to endorse or promote products derived from this
!!$ software without specific written permission.
!!$
!!$ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
!!$ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
!!$ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
!!$ PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
!!$ BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
!!$ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
!!$ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
!!$ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
!!$ 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
!!$ POSSIBILITY OF SUCH DAMAGE.
!!$
!!$
! File: psb_sgelp.f90
!
!
! Subroutine: psb_sgelp
! Apply a left permutation to a dense matrix
!
! Arguments:
! trans - character.
! iperm - integer.
! x - real, dimension(:,:).
! info - integer. Return code.
subroutine psb_sgelp(trans,iperm,x,info)
use psb_serial_mod, psb_protect_name => psb_sgelp
use psb_const_mod
use psb_error_mod
implicit none
real(psb_spk_), intent(inout) :: x(:,:)
integer, intent(in) :: iperm(:)
integer, intent(out) :: info
character, intent(in) :: trans
! local variables
integer :: ictxt
real(psb_spk_),allocatable :: dtemp(:)
integer :: int_err(5), i1sz, i2sz, err_act
integer, allocatable :: itemp(:)
real(psb_spk_),parameter :: one=1
integer :: debug_level, debug_unit
interface sgelp
subroutine sgelp(trans,m,n,p,b,ldb,work,lwork,ierror)
use psb_const_mod
integer, intent(in) :: ldb, m, n, lwork
integer, intent(out) :: ierror
character, intent(in) :: trans
real(psb_spk_), intent(inout) :: b(ldb,*), work(*)
integer, intent(in) :: p(*)
end subroutine sgelp
end interface
character(len=20) :: name, ch_err
name = 'psb_sgelp'
if(psb_get_errstatus() /= 0) return
info=0
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
i1sz = size(x,dim=1)
i2sz = size(x,dim=2)
if (debug_level >= psb_debug_serial_)&
& write(debug_unit,*) trim(name),': size',i1sz,i2sz
allocate(dtemp(i1sz),itemp(size(iperm)),stat=info)
if (info /= 0) then
info=2040
call psb_errpush(info,name)
goto 9999
end if
itemp(:) = iperm(:)
if (.not.psb_isaperm(i1sz,itemp)) then
info = 70
int_err(1) = 1
call psb_errpush(info,name,i_err=int_err)
goto 9999
endif
call sgelp(trans,i1sz,i2sz,itemp,x,i1sz,dtemp,i1sz,info)
if(info /= 0) then
info=4010
ch_err='sgelp'
call psb_errpush(info,name,a_err=ch_err)
end if
deallocate(dtemp,itemp)
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_ret_) then
return
else
call psb_error(ictxt)
end if
return
end subroutine psb_sgelp
!!$
!!$ Parallel Sparse BLAS version 2.2
!!$ (C) Copyright 2006/2007/2008
!!$ Salvatore Filippone University of Rome Tor Vergata
!!$ Alfredo Buttari University of Rome Tor Vergata
!!$
!!$ Redistribution and use in source and binary forms, with or without
!!$ modification, are permitted provided that the following conditions
!!$ are met:
!!$ 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
!!$ documentation and/or other materials provided with the distribution.
!!$ 3. The name of the PSBLAS group or the names of its contributors may
!!$ not be used to endorse or promote products derived from this
!!$ software without specific written permission.
!!$
!!$ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
!!$ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
!!$ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
!!$ PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
!!$ BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
!!$ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
!!$ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
!!$ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
!!$ 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
!!$ POSSIBILITY OF SUCH DAMAGE.
!!$
!!$
!
!
! Subroutine: psb_sgelpv
! Apply a left permutation to a dense matrix
!
! Arguments:
! trans - character.
! iperm - integer.
! x - real, dimension(:).
! info - integer. Return code.
subroutine psb_sgelpv(trans,iperm,x,info)
use psb_serial_mod, psb_protect_name => psb_sgelpv
use psb_const_mod
use psb_error_mod
implicit none
real(psb_spk_), intent(inout) :: x(:)
integer, intent(in) :: iperm(:)
integer, intent(out) :: info
character, intent(in) :: trans
! local variables
integer :: ictxt
integer :: int_err(5), i1sz, err_act
real(psb_spk_),allocatable :: dtemp(:)
integer, allocatable :: itemp(:)
real(psb_spk_),parameter :: one=1
integer :: debug_level, debug_unit
interface sgelp
subroutine sgelp(trans,m,n,p,b,ldb,work,lwork,ierror)
use psb_const_mod
integer, intent(in) :: ldb, m, n, lwork
integer, intent(out) :: ierror
character, intent(in) :: trans
real(psb_spk_), intent(inout) :: b(*), work(*)
integer, intent(in) :: p(*)
end subroutine sgelp
end interface
character(len=20) :: name, ch_err
name = 'psb_sgelpv'
if(psb_get_errstatus() /= 0) return
info=0
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
i1sz = size(x)
if (debug_level >= psb_debug_serial_)&
& write(debug_unit,*) trim(name),': size',i1sz
allocate(dtemp(i1sz),itemp(size(iperm)),stat=info)
if (info /= 0) then
info=2040
call psb_errpush(info,name)
goto 9999
end if
itemp(:) = iperm(:)
if (.not.psb_isaperm(i1sz,itemp)) then
info = 70
int_err(1) = 1
call psb_errpush(info,name,i_err=int_err)
goto 9999
endif
call sgelp(trans,i1sz,1,itemp,x,i1sz,dtemp,i1sz,info)
if(info /= 0) then
info=4010
ch_err='sgelp'
call psb_errpush(info,name,a_err=ch_err)
end if
deallocate(dtemp,itemp)
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_ret_) then
return
else
call psb_error(ictxt)
end if
return
end subroutine psb_sgelpv