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.
277 lines
8.4 KiB
Fortran
277 lines
8.4 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_dallc.f90
|
|
!
|
|
! Function: psb_dalloc
|
|
! Allocates dense matrix for PSBLAS routines
|
|
!
|
|
! Parameters:
|
|
! x - the matrix to be allocated.
|
|
! desc_a - the communication descriptor.
|
|
! info - possibly returns an error code
|
|
! n - optional number of columns.
|
|
subroutine psb_dalloc(x, desc_a, info, n)
|
|
!....allocate dense matrix for psblas routines.....
|
|
use psb_descriptor_type
|
|
use psb_const_mod
|
|
use psb_error_mod
|
|
use psb_penv_mod
|
|
|
|
implicit none
|
|
|
|
!....parameters...
|
|
real(kind(1.d0)), allocatable, intent(out) :: x(:,:)
|
|
type(psb_desc_type), intent(in) :: desc_a
|
|
integer,intent(out) :: info
|
|
integer, optional, intent(in) :: n
|
|
|
|
|
|
!locals
|
|
integer :: np,me,err,n_col,n_row,i,j,err_act
|
|
integer :: ictxt,n_
|
|
integer :: int_err(5), exch(3)
|
|
character(len=20) :: name, ch_err
|
|
|
|
name='psb_dallc'
|
|
if(psb_get_errstatus() /= 0) return
|
|
info=0
|
|
err=0
|
|
int_err(1)=0
|
|
call psb_erractionsave(err_act)
|
|
|
|
ictxt=psb_cd_get_context(desc_a)
|
|
|
|
call psb_info(ictxt, me, np)
|
|
if (np == -1) then
|
|
info = 2010
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
endif
|
|
|
|
!... check m and n parameters....
|
|
if (.not.psb_is_ok_desc(desc_a)) then
|
|
info = 3110
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
endif
|
|
|
|
if (present(n)) then
|
|
n_ = n
|
|
else
|
|
n_ = 1
|
|
endif
|
|
!global check on n parameters
|
|
if (me == psb_root_) then
|
|
exch(1)=n_
|
|
call psb_bcast(ictxt,exch(1),root=psb_root_)
|
|
else
|
|
call psb_bcast(ictxt,exch(1),root=psb_root_)
|
|
if (exch(1) /= n_) then
|
|
info=550
|
|
int_err(1)=1
|
|
call psb_errpush(info,name,int_err)
|
|
goto 9999
|
|
endif
|
|
endif
|
|
|
|
!....allocate x .....
|
|
if (psb_is_asb_desc(desc_a).or.psb_is_upd_desc(desc_a)) then
|
|
n_col = max(1,psb_cd_get_local_cols(desc_a))
|
|
allocate(x(n_col,n_),stat=info)
|
|
if (info /= 0) then
|
|
info=4010
|
|
ch_err='allocate'
|
|
call psb_errpush(info,name,a_err=ch_err)
|
|
goto 9999
|
|
endif
|
|
do j=1,n_
|
|
do i=1,n_col
|
|
x(i,j) = 0.0d0
|
|
end do
|
|
end do
|
|
else if (psb_is_bld_desc(desc_a)) then
|
|
n_row = max(1,psb_cd_get_local_rows(desc_a))
|
|
allocate(x(n_row,n_),stat=info)
|
|
if (info /= 0) then
|
|
info=4010
|
|
ch_err='allocate'
|
|
call psb_errpush(info,name,a_err=ch_err)
|
|
goto 9999
|
|
endif
|
|
do j = 1, n_
|
|
do i=1,n_row
|
|
x(i,j) = 0.0d0
|
|
end do
|
|
end do
|
|
endif
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
if (err_act == act_abort) then
|
|
call psb_error(ictxt)
|
|
return
|
|
end if
|
|
return
|
|
|
|
end subroutine psb_dalloc
|
|
|
|
!!$
|
|
!!$ 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.
|
|
!!$
|
|
!!$
|
|
!
|
|
! Function: psb_dallocv
|
|
! Allocates dense matrix for PSBLAS routines
|
|
!
|
|
! Parameters:
|
|
! x - the matrix to be allocated.
|
|
! desc_a - the communication descriptor.
|
|
! info - possibly returns an error code
|
|
subroutine psb_dallocv(x, desc_a,info,n)
|
|
!....allocate sparse matrix structure for psblas routines.....
|
|
use psb_descriptor_type
|
|
use psb_const_mod
|
|
use psb_realloc_mod
|
|
use psb_error_mod
|
|
use psb_penv_mod
|
|
|
|
implicit none
|
|
|
|
!....parameters...
|
|
real(kind(1.d0)), allocatable, intent(out) :: x(:)
|
|
type(psb_desc_type), intent(in) :: desc_a
|
|
integer,intent(out) :: info
|
|
integer, optional, intent(in) :: n
|
|
|
|
!locals
|
|
integer :: np,me,n_col,n_row,i,err_act
|
|
integer :: ictxt
|
|
logical, parameter :: debug=.false.
|
|
character(len=20) :: name, ch_err
|
|
|
|
if(psb_get_errstatus() /= 0) return
|
|
info=0
|
|
name='psb_dallcv'
|
|
call psb_erractionsave(err_act)
|
|
|
|
ictxt=psb_cd_get_context(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
|
|
endif
|
|
|
|
!... check m and n parameters....
|
|
if (.not.psb_is_ok_desc(desc_a)) then
|
|
info = 3110
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
endif
|
|
|
|
! As this is a rank-1 array, optional parameter N is actually ignored.
|
|
|
|
!....allocate x .....
|
|
if (psb_is_asb_desc(desc_a).or.psb_is_upd_desc(desc_a)) then
|
|
n_col = max(1,psb_cd_get_local_cols(desc_a))
|
|
call psb_realloc(n_col,x,info)
|
|
if (info /= 0) then
|
|
info=4010
|
|
ch_err='psb_realloc'
|
|
call psb_errpush(info,name,a_err=ch_err)
|
|
goto 9999
|
|
endif
|
|
do i=1,n_col
|
|
x(i) = 0.0d0
|
|
end do
|
|
|
|
else if (psb_is_bld_desc(desc_a)) then
|
|
n_row = max(1,psb_cd_get_local_rows(desc_a))
|
|
call psb_realloc(n_row,x,info)
|
|
if (info /= 0) then
|
|
info=4010
|
|
ch_err='psb_realloc'
|
|
call psb_errpush(info,name,a_err=ch_err)
|
|
goto 9999
|
|
endif
|
|
do i=1,n_row
|
|
x(i) = 0.0d0
|
|
end do
|
|
else
|
|
write(0,*) 'Did not allocate anything because of dectype',psb_cd_get_dectype(desc_a)
|
|
endif
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
if (err_act == act_abort) then
|
|
call psb_error(ictxt)
|
|
return
|
|
end if
|
|
return
|
|
|
|
end subroutine psb_dallocv
|
|
|