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236 lines
7.7 KiB
Fortran
236 lines
7.7 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_iasb.f90
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!
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! Subroutine: psb_iasb
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! Assembles a dense matrix for PSBLAS routines
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!
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! Parameters:
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! x - integer,pointer,dimension(:,:). The matrix to be assembled.
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! desc_a - type(<psb_desc_type>). The communication descriptor.
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! info - integer. Eventually returns an error code
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subroutine psb_iasb(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_const_mod
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use psb_comm_mod
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use psb_error_mod
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use psb_realloc_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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integer, allocatable, intent(inout) :: x(:,:)
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integer, intent(out) :: info
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! local variables
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integer :: ictxt,np,me,nrow,ncol,err_act
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integer :: int_err(5), i1sz, i2sz
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logical, parameter :: debug=.false.
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character(len=20) :: name
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if(psb_get_errstatus() /= 0) return
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info=0
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name='psb_iasb'
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call psb_erractionsave(err_act)
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if ((.not.allocated(desc_a%matrix_data))) then
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info=3110
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call psb_errpush(info,name)
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return
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endif
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ictxt = psb_cd_get_context(desc_a)
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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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if (debug) write(*,*) 'asb error ',&
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& psb_cd_get_dectype(desc_a)
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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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! check size
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ictxt = psb_cd_get_context(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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if (debug) write(*,*) 'asb: ',i1sz,i2sz,nrow,ncol
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if (i1sz.lt.ncol) then
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call psb_realloc(ncol,i2sz,x,info)
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if (info /= 0) then
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info=4025
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int_err(1)=ncol*i2sz
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call psb_errpush(info,name,int_err,a_err='integer')
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goto 9999
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endif
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endif
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! ..update halo elements..
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call psb_halo(x,desc_a,info,alpha=done)
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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_abort_) then
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call psb_error(ictxt)
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return
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end if
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return
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end subroutine psb_iasb
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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)
|
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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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! Subroutine: psb_iasbv
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! Assembles a dense matrix for PSBLAS routines
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!
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! Parameters:
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! x - integer,pointer,dimension(:). The matrix to be assembled.
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! desc_a - type(<psb_desc_type>). The communication descriptor.
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! info - integer. Eventually returns an error code
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subroutine psb_iasbv(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_const_mod
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use psb_comm_mod
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use psb_error_mod
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use psb_realloc_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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integer, allocatable, intent(inout) :: x(:)
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integer, intent(out) :: info
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! local variables
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integer :: ictxt,np,me, err_act
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integer :: int_err(5), i1sz,nrow,ncol
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logical, parameter :: debug=.false.
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character(len=20) :: name
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if(psb_get_errstatus().ne.0) return
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info=0
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call psb_erractionsave(err_act)
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name = 'psb_iasbv'
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ictxt = psb_cd_get_context(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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nrow = psb_cd_get_local_rows(desc_a)
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ncol = psb_cd_get_local_cols(desc_a)
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if (debug) write(*,*) name,' sizes: ',nrow,ncol
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i1sz = size(x)
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if (debug) write(*,*) 'dasb: sizes ',i1sz,ncol
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if (i1sz.lt.ncol) then
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call psb_realloc(ncol,x,info)
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if (info /= 0) then
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info=4025
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int_err(1)=ncol
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call psb_errpush(info,name,int_err,a_err='integer')
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goto 9999
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endif
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endif
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! ..update halo elements..
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call psb_halo(x,desc_a,info,alpha=done)
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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_abort_) then
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call psb_error(ictxt)
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return
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end if
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return
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end subroutine psb_iasbv
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