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.
287 lines
8.8 KiB
Fortran
287 lines
8.8 KiB
Fortran
!!$
|
|
!!$ Parallel Sparse BLAS v2.0
|
|
!!$ (C) Copyright 2006 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_dgelp.f90
|
|
!
|
|
! Subroutine: psb_dgelp
|
|
! ???????????
|
|
!
|
|
! Parameters:
|
|
! trans - character.
|
|
! iperm - integer.
|
|
! x - real, dimension(:,:).
|
|
! info - integer. Eventually returns an error code.
|
|
subroutine psb_dgelp(trans,iperm,x,desc_a,info)
|
|
!....assembly dense matrix x .....
|
|
use psb_descriptor_type
|
|
use psb_serial_mod
|
|
use psb_const_mod
|
|
use psb_psblas_mod
|
|
use psb_error_mod
|
|
use psb_penv_mod
|
|
implicit none
|
|
|
|
type(psb_desc_type), intent(in) :: desc_a
|
|
real(kind(1.d0)), intent(inout) :: x(:,:)
|
|
integer, intent(inout) :: iperm(:),info
|
|
character, intent(in) :: trans
|
|
|
|
! local variables
|
|
integer :: ictxt,np, me,nrow,ncol
|
|
real(kind(1.d0)),pointer :: dtemp(:)
|
|
integer :: int_err(5), i1sz, i2sz, dectype, i, err_act
|
|
real(kind(1.d0)),parameter :: one=1
|
|
logical, parameter :: debug=.false.
|
|
|
|
interface dgelp
|
|
subroutine dgelp(trans,m,n,p,b,ldb,work,lwork,ierror)
|
|
integer, intent(in) :: ldb, m, n, lwork
|
|
integer, intent(out) :: ierror
|
|
character, intent(in) :: trans
|
|
double precision, intent(inout) :: b(ldb,*), work(*)
|
|
integer, intent(in) :: p(*)
|
|
end subroutine dgelp
|
|
end interface
|
|
|
|
interface isaperm
|
|
|
|
logical function isaperm(n,ip)
|
|
integer, intent(in) :: n
|
|
integer, intent(inout) :: ip(*)
|
|
end function isaperm
|
|
end interface
|
|
|
|
character(len=20) :: name, ch_err
|
|
name = 'psb_dgelp'
|
|
|
|
if(psb_get_errstatus() /= 0) return
|
|
info=0
|
|
call psb_erractionsave(err_act)
|
|
|
|
ictxt = psb_cd_get_context(desc_a)
|
|
dectype = psb_cd_get_dectype(desc_a)
|
|
nrow = psb_cd_get_local_rows(desc_a)
|
|
ncol = psb_cd_get_local_cols(desc_a)
|
|
i1sz = size(x,dim=1)
|
|
i2sz = size(x,dim=2)
|
|
|
|
call psb_info(ictxt, me, np)
|
|
|
|
if (debug) write(*,*) 'asb start: ',np,me,&
|
|
& psb_cd_get_dectype(desc_a)
|
|
! ....verify blacs grid correctness..
|
|
if (np == -1) then
|
|
info = 2010
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
else if (.not.psb_is_asb_desc(desc_a)) then
|
|
info = 3110
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
endif
|
|
|
|
|
|
if (.not.isaperm(i1sz,iperm)) then
|
|
info = 70
|
|
int_err(1) = 1
|
|
call psb_errpush(info,name,i_err=int_err)
|
|
goto 9999
|
|
endif
|
|
|
|
if (debug) write(*,*) 'asb: ',i1sz,i2sz,nrow,ncol
|
|
allocate(dtemp(i1sz),stat=info)
|
|
|
|
call dgelp(trans,i1sz,i2sz,iperm,x,i1sz,dtemp,i1sz,info)
|
|
if(info /= 0) then
|
|
info=4010
|
|
ch_err='dgelp'
|
|
call psb_errpush(info,name,a_err=ch_err)
|
|
end if
|
|
|
|
deallocate(dtemp)
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
|
|
if (err_act == act_ret) then
|
|
return
|
|
else
|
|
call psb_error(ictxt)
|
|
end if
|
|
return
|
|
|
|
end subroutine psb_dgelp
|
|
|
|
|
|
|
|
!!$
|
|
!!$ Parallel Sparse BLAS v2.0
|
|
!!$ (C) Copyright 2006 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_dgelpv
|
|
! ???????????
|
|
!
|
|
! Parameters:
|
|
! trans - character.
|
|
! iperm - integer.
|
|
! x - real, dimension(:).
|
|
! info - integer. Eventually returns an error code.
|
|
subroutine psb_dgelpv(trans,iperm,x,desc_a,info)
|
|
!....assembly dense matrix x .....
|
|
use psb_descriptor_type
|
|
use psb_serial_mod
|
|
use psb_const_mod
|
|
use psb_psblas_mod
|
|
use psb_error_mod
|
|
use psb_penv_mod
|
|
implicit none
|
|
|
|
type(psb_desc_type), intent(in) :: desc_a
|
|
real(kind(1.d0)), intent(inout) :: x(:)
|
|
integer, intent(inout) :: iperm(:), info
|
|
character, intent(in) :: trans
|
|
|
|
! local variables
|
|
integer :: ictxt,np,me
|
|
integer :: int_err(5), i1sz,nrow,ncol,dectype, err_act
|
|
real(kind(1.d0)),pointer :: dtemp(:)
|
|
real(kind(1.d0)),parameter :: one=1
|
|
logical, parameter :: debug=.false.
|
|
|
|
interface dgelp
|
|
subroutine dgelp(trans,m,n,p,b,ldb,work,lwork,ierror)
|
|
integer, intent(in) :: ldb, m, n, lwork
|
|
integer, intent(out) :: ierror
|
|
character, intent(in) :: trans
|
|
double precision, intent(inout) :: b(*), work(*)
|
|
integer, intent(in) :: p(*)
|
|
end subroutine dgelp
|
|
end interface
|
|
|
|
interface isaperm
|
|
|
|
logical function isaperm(n,ip)
|
|
integer, intent(in) :: n
|
|
integer, intent(inout) :: ip(*)
|
|
end function isaperm
|
|
end interface
|
|
|
|
character(len=20) :: name, ch_err
|
|
name = 'psb_dgelpv'
|
|
|
|
if(psb_get_errstatus() /= 0) return
|
|
info=0
|
|
call psb_erractionsave(err_act)
|
|
|
|
i1sz = size(x)
|
|
|
|
ictxt = psb_cd_get_context(desc_a)
|
|
dectype = psb_cd_get_dectype(desc_a)
|
|
nrow = psb_cd_get_local_rows(desc_a)
|
|
ncol = psb_cd_get_local_cols(desc_a)
|
|
|
|
call psb_info(ictxt, me, np)
|
|
|
|
! ....verify blacs grid correctness..
|
|
if (np == -1) then
|
|
info = 2010
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
else if (.not.psb_is_asb_desc(desc_a)) then
|
|
info = 3110
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
endif
|
|
|
|
if (debug) write(0,*) 'calling isaperm ',i1sz,size(iperm),trans
|
|
|
|
if (.not.isaperm(i1sz,iperm)) then
|
|
info = 70
|
|
int_err(1) = 1
|
|
call psb_errpush(info,name,i_err=int_err)
|
|
goto 9999
|
|
endif
|
|
|
|
allocate(dtemp(i1sz),stat=info)
|
|
|
|
call dgelp(trans,i1sz,1,iperm,x,i1sz,dtemp,i1sz,info)
|
|
if(info /= 0) then
|
|
info=4010
|
|
ch_err='dgelp'
|
|
call psb_errpush(info,name,a_err=ch_err)
|
|
end if
|
|
|
|
deallocate(dtemp)
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
|
|
if (err_act == act_ret) then
|
|
return
|
|
else
|
|
call psb_error(ictxt)
|
|
end if
|
|
return
|
|
|
|
end subroutine psb_dgelpv
|
|
|