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