|
|
|
|
!!$
|
|
|
|
|
!!$ Parallel Sparse BLAS version 3.4
|
|
|
|
|
!!$ (C) Copyright 2006, 2010, 2015
|
|
|
|
|
!!$ Salvatore Filippone University of Rome Tor Vergata
|
|
|
|
|
!!$ Alfredo Buttari CNRS-IRIT, Toulouse
|
|
|
|
|
!!$
|
|
|
|
|
!!$ 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_sallc.f90
|
|
|
|
|
!
|
|
|
|
|
! Function: psb_salloc
|
|
|
|
|
! Allocates dense matrix for PSBLAS routines.
|
|
|
|
|
! The descriptor may be in either the build or assembled state.
|
|
|
|
|
!
|
|
|
|
|
! Arguments:
|
|
|
|
|
! x - the matrix to be allocated.
|
|
|
|
|
! desc_a - the communication descriptor.
|
|
|
|
|
! info - Return code
|
|
|
|
|
! n - optional number of columns.
|
|
|
|
|
! lb - optional lower bound on column indices
|
|
|
|
|
subroutine psb_salloc(x, desc_a, info, n, lb)
|
|
|
|
|
use psb_base_mod, psb_protect_name => psb_salloc
|
|
|
|
|
use psi_mod
|
|
|
|
|
implicit none
|
|
|
|
|
|
|
|
|
|
!....parameters...
|
|
|
|
|
real(psb_spk_), allocatable, intent(out) :: x(:,:)
|
|
|
|
|
type(psb_desc_type), intent(in) :: desc_a
|
|
|
|
|
integer(psb_ipk_),intent(out) :: info
|
|
|
|
|
integer(psb_ipk_), optional, intent(in) :: n, lb
|
|
|
|
|
|
|
|
|
|
!locals
|
|
|
|
|
integer(psb_ipk_) :: np,me,err,nr,i,j,err_act
|
|
|
|
|
integer(psb_ipk_) :: ictxt,n_
|
|
|
|
|
integer(psb_ipk_) :: int_err(5),exch(3)
|
|
|
|
|
character(len=20) :: name
|
|
|
|
|
|
|
|
|
|
name='psb_geall'
|
|
|
|
|
if(psb_get_errstatus() /= 0) return
|
|
|
|
|
info=psb_success_
|
|
|
|
|
err=0
|
|
|
|
|
int_err(1)=0
|
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
|
|
|
|
|
|
ictxt=desc_a%get_context()
|
|
|
|
|
|
|
|
|
|
call psb_info(ictxt, me, np)
|
|
|
|
|
if (np == -1) then
|
|
|
|
|
info = psb_err_context_error_
|
|
|
|
|
call psb_errpush(info,name)
|
|
|
|
|
goto 9999
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
!... check m and n parameters....
|
|
|
|
|
if (.not.psb_is_ok_desc(desc_a)) then
|
|
|
|
|
info = psb_err_input_matrix_unassembled_
|
|
|
|
|
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=psb_err_parm_differs_among_procs_
|
|
|
|
|
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
|
|
|
|
|
nr = max(1,desc_a%get_local_cols())
|
|
|
|
|
else if (psb_is_bld_desc(desc_a)) then
|
|
|
|
|
nr = max(1,desc_a%get_local_rows())
|
|
|
|
|
else
|
|
|
|
|
info = psb_err_internal_error_
|
|
|
|
|
call psb_errpush(info,name,int_err,a_err='Invalid desc_a')
|
|
|
|
|
goto 9999
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
call psb_realloc(nr,n_,x,info,lb2=lb)
|
|
|
|
|
if (info /= psb_success_) then
|
|
|
|
|
info=psb_err_alloc_request_
|
|
|
|
|
int_err(1)=nr*n_
|
|
|
|
|
call psb_errpush(info,name,int_err,a_err='real(psb_spk_)')
|
|
|
|
|
goto 9999
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
x(:,:) = szero
|
|
|
|
|
|
|
|
|
|
call psb_erractionrestore(err_act)
|
|
|
|
|
return
|
|
|
|
|
|
|
|
|
|
9999 call psb_error_handler(ictxt,err_act)
|
|
|
|
|
|
|
|
|
|
return
|
|
|
|
|
|
|
|
|
|
end subroutine psb_salloc
|
|
|
|
|
|
|
|
|
|
!!$
|
|
|
|
|
!!$ Parallel Sparse BLAS version 3.4
|
|
|
|
|
!!$ (C) Copyright 2006, 2010, 2015
|
|
|
|
|
!!$ Salvatore Filippone University of Rome Tor Vergata
|
|
|
|
|
!!$ Alfredo Buttari CNRS-IRIT, Toulouse
|
|
|
|
|
!!$
|
|
|
|
|
!!$ 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_sallocv
|
|
|
|
|
! Allocates dense matrix for PSBLAS routines
|
|
|
|
|
! The descriptor may be in either the build or assembled state.
|
|
|
|
|
!
|
|
|
|
|
! Arguments:
|
|
|
|
|
! x(:) - the matrix to be allocated.
|
|
|
|
|
! desc_a - the communication descriptor.
|
|
|
|
|
! info - return code
|
|
|
|
|
subroutine psb_sallocv(x, desc_a,info,n)
|
|
|
|
|
use psb_base_mod, psb_protect_name => psb_sallocv
|
|
|
|
|
use psi_mod
|
|
|
|
|
implicit none
|
|
|
|
|
|
|
|
|
|
!....parameters...
|
|
|
|
|
real(psb_spk_), allocatable, intent(out) :: x(:)
|
|
|
|
|
type(psb_desc_type), intent(in) :: desc_a
|
|
|
|
|
integer(psb_ipk_),intent(out) :: info
|
|
|
|
|
integer(psb_ipk_), optional, intent(in) :: n
|
|
|
|
|
|
|
|
|
|
!locals
|
|
|
|
|
integer(psb_ipk_) :: np,me,nr,i,err_act
|
|
|
|
|
integer(psb_ipk_) :: ictxt, int_err(5)
|
|
|
|
|
integer(psb_ipk_) :: debug_level, debug_unit
|
|
|
|
|
character(len=20) :: name
|
|
|
|
|
|
|
|
|
|
if(psb_get_errstatus() /= 0) return
|
|
|
|
|
info=psb_success_
|
|
|
|
|
name='psb_geall'
|
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
|
debug_unit = psb_get_debug_unit()
|
|
|
|
|
debug_level = psb_get_debug_level()
|
|
|
|
|
|
|
|
|
|
ictxt=desc_a%get_context()
|
|
|
|
|
|
|
|
|
|
call psb_info(ictxt, me, np)
|
|
|
|
|
! ....verify blacs grid correctness..
|
|
|
|
|
if (np == -1) then
|
|
|
|
|
info = psb_err_context_error_
|
|
|
|
|
call psb_errpush(info,name)
|
|
|
|
|
goto 9999
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
!... check m and n parameters....
|
|
|
|
|
if (.not.psb_is_ok_desc(desc_a)) then
|
|
|
|
|
info = psb_err_input_matrix_unassembled_
|
|
|
|
|
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
|
|
|
|
|
nr = max(1,desc_a%get_local_cols())
|
|
|
|
|
else if (psb_is_bld_desc(desc_a)) then
|
|
|
|
|
nr = max(1,desc_a%get_local_rows())
|
|
|
|
|
else
|
|
|
|
|
info = psb_err_internal_error_
|
|
|
|
|
call psb_errpush(info,name,int_err,a_err='Invalid desc_a')
|
|
|
|
|
goto 9999
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
call psb_realloc(nr,x,info)
|
|
|
|
|
if (info /= psb_success_) then
|
|
|
|
|
info=psb_err_alloc_request_
|
|
|
|
|
int_err(1)=nr
|
|
|
|
|
call psb_errpush(info,name,int_err,a_err='real(psb_spk_)')
|
|
|
|
|
goto 9999
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
x(:) = szero
|
|
|
|
|
|
|
|
|
|
call psb_erractionrestore(err_act)
|
|
|
|
|
return
|
|
|
|
|
|
|
|
|
|
9999 call psb_error_handler(ictxt,err_act)
|
|
|
|
|
|
|
|
|
|
return
|
|
|
|
|
|
|
|
|
|
end subroutine psb_sallocv
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
subroutine psb_salloc_vect(x, desc_a,info,n)
|
|
|
|
|
use psb_base_mod, psb_protect_name => psb_salloc_vect
|
|
|
|
|
use psi_mod
|
|
|
|
|
implicit none
|
|
|
|
|
|
|
|
|
|
!....parameters...
|
|
|
|
|
type(psb_s_vect_type), intent(out) :: x
|
|
|
|
|
type(psb_desc_type), intent(in) :: desc_a
|
|
|
|
|
integer(psb_ipk_),intent(out) :: info
|
|
|
|
|
integer(psb_ipk_), optional, intent(in) :: n
|
|
|
|
|
|
|
|
|
|
!locals
|
|
|
|
|
integer(psb_ipk_) :: np,me,nr,i,err_act
|
|
|
|
|
integer(psb_ipk_) :: ictxt, int_err(5)
|
|
|
|
|
integer(psb_ipk_) :: debug_level, debug_unit
|
|
|
|
|
character(len=20) :: name
|
|
|
|
|
|
|
|
|
|
info=psb_success_
|
|
|
|
|
if (psb_errstatus_fatal()) return
|
|
|
|
|
name='psb_geall'
|
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
|
debug_unit = psb_get_debug_unit()
|
|
|
|
|
debug_level = psb_get_debug_level()
|
|
|
|
|
|
|
|
|
|
ictxt=desc_a%get_context()
|
|
|
|
|
|
|
|
|
|
call psb_info(ictxt, me, np)
|
|
|
|
|
! ....verify blacs grid correctness..
|
|
|
|
|
if (np == -1) then
|
|
|
|
|
info = psb_err_context_error_
|
|
|
|
|
call psb_errpush(info,name)
|
|
|
|
|
goto 9999
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
!... check m and n parameters....
|
|
|
|
|
if (.not.desc_a%is_ok()) then
|
|
|
|
|
info = psb_err_invalid_cd_state_
|
|
|
|
|
call psb_errpush(info,name)
|
|
|
|
|
goto 9999
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
! 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
|
|
|
|
|
nr = max(1,desc_a%get_local_cols())
|
|
|
|
|
else if (psb_is_bld_desc(desc_a)) then
|
|
|
|
|
nr = max(1,desc_a%get_local_rows())
|
|
|
|
|
else
|
|
|
|
|
info = psb_err_internal_error_
|
|
|
|
|
call psb_errpush(info,name,int_err,a_err='Invalid desc_a')
|
|
|
|
|
goto 9999
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
allocate(psb_s_base_vect_type :: x%v, stat=info)
|
|
|
|
|
if (info == 0) call x%all(nr,info)
|
|
|
|
|
if (psb_errstatus_fatal()) then
|
|
|
|
|
info=psb_err_alloc_request_
|
|
|
|
|
int_err(1)=nr
|
|
|
|
|
call psb_errpush(info,name,int_err,a_err='real(psb_spk_)')
|
|
|
|
|
goto 9999
|
|
|
|
|
endif
|
|
|
|
|
call x%zero()
|
|
|
|
|
|
|
|
|
|
call psb_erractionrestore(err_act)
|
|
|
|
|
return
|
|
|
|
|
|
|
|
|
|
9999 call psb_error_handler(ictxt,err_act)
|
|
|
|
|
|
|
|
|
|
return
|
|
|
|
|
|
|
|
|
|
end subroutine psb_salloc_vect
|
|
|
|
|
|
|
|
|
|
subroutine psb_salloc_vect_r2(x, desc_a,info,n,lb)
|
|
|
|
|
use psb_base_mod, psb_protect_name => psb_salloc_vect_r2
|
|
|
|
|
use psi_mod
|
|
|
|
|
implicit none
|
|
|
|
|
|
|
|
|
|
!....parameters...
|
|
|
|
|
type(psb_s_vect_type), allocatable, intent(out) :: x(:)
|
|
|
|
|
type(psb_desc_type), intent(in) :: desc_a
|
|
|
|
|
integer(psb_ipk_),intent(out) :: info
|
|
|
|
|
integer(psb_ipk_), optional, intent(in) :: n,lb
|
|
|
|
|
|
|
|
|
|
!locals
|
|
|
|
|
integer(psb_ipk_) :: np,me,nr,i,err_act, n_, lb_
|
|
|
|
|
integer(psb_ipk_) :: ictxt, int_err(5), exch(1)
|
|
|
|
|
integer(psb_ipk_) :: debug_level, debug_unit
|
|
|
|
|
character(len=20) :: name
|
|
|
|
|
|
|
|
|
|
info=psb_success_
|
|
|
|
|
if (psb_errstatus_fatal()) return
|
|
|
|
|
name='psb_geall'
|
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
|
debug_unit = psb_get_debug_unit()
|
|
|
|
|
debug_level = psb_get_debug_level()
|
|
|
|
|
|
|
|
|
|
ictxt=desc_a%get_context()
|
|
|
|
|
|
|
|
|
|
call psb_info(ictxt, me, np)
|
|
|
|
|
! ....verify blacs grid correctness..
|
|
|
|
|
if (np == -1) then
|
|
|
|
|
info = psb_err_context_error_
|
|
|
|
|
call psb_errpush(info,name)
|
|
|
|
|
goto 9999
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
!... check m and n parameters....
|
|
|
|
|
if (.not.desc_a%is_ok()) then
|
|
|
|
|
info = psb_err_invalid_cd_state_
|
|
|
|
|
call psb_errpush(info,name)
|
|
|
|
|
goto 9999
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
if (present(n)) then
|
|
|
|
|
n_ = n
|
|
|
|
|
else
|
|
|
|
|
n_ = 1
|
|
|
|
|
endif
|
|
|
|
|
if (present(lb)) then
|
|
|
|
|
lb_ = lb
|
|
|
|
|
else
|
|
|
|
|
lb_ = 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=psb_err_parm_differs_among_procs_
|
|
|
|
|
int_err(1)=1
|
|
|
|
|
call psb_errpush(info,name,int_err)
|
|
|
|
|
goto 9999
|
|
|
|
|
endif
|
|
|
|
|
endif
|
|
|
|
|
! As this is a rank-1 array, optional parameter N is actually ignored.
|
|
|
|
|
|
|
|
|
|
!....allocate x .....
|
|
|
|
|
if (desc_a%is_asb().or.desc_a%is_upd()) then
|
|
|
|
|
nr = max(1,desc_a%get_local_cols())
|
|
|
|
|
else if (desc_a%is_bld()) then
|
|
|
|
|
nr = max(1,desc_a%get_local_rows())
|
|
|
|
|
else
|
|
|
|
|
info = psb_err_internal_error_
|
|
|
|
|
call psb_errpush(info,name,int_err,a_err='Invalid desc_a')
|
|
|
|
|
goto 9999
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
allocate(x(lb_:lb_+n_-1), stat=info)
|
|
|
|
|
if (info == 0) then
|
|
|
|
|
do i=lb_, lb_+n_-1
|
|
|
|
|
allocate(psb_s_base_vect_type :: x(i)%v, stat=info)
|
|
|
|
|
if (info == 0) call x(i)%all(nr,info)
|
|
|
|
|
if (info == 0) call x(i)%zero()
|
|
|
|
|
if (info /= 0) exit
|
|
|
|
|
end do
|
|
|
|
|
end if
|
|
|
|
|
if (psb_errstatus_fatal()) then
|
|
|
|
|
info=psb_err_alloc_request_
|
|
|
|
|
int_err(1)=nr
|
|
|
|
|
call psb_errpush(info,name,int_err,a_err='real(psb_spk_)')
|
|
|
|
|
goto 9999
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
call psb_erractionrestore(err_act)
|
|
|
|
|
return
|
|
|
|
|
|
|
|
|
|
9999 call psb_error_handler(ictxt,err_act)
|
|
|
|
|
|
|
|
|
|
return
|
|
|
|
|
|
|
|
|
|
end subroutine psb_salloc_vect_r2
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
subroutine psb_salloc_multivect(x, desc_a,info,n)
|
|
|
|
|
use psb_base_mod, psb_protect_name => psb_salloc_multivect
|
|
|
|
|
use psi_mod
|
|
|
|
|
implicit none
|
|
|
|
|
|
|
|
|
|
!....parameters...
|
|
|
|
|
type(psb_s_multivect_type), allocatable, intent(out) :: x
|
|
|
|
|
type(psb_desc_type), intent(in) :: desc_a
|
|
|
|
|
integer(psb_ipk_),intent(out) :: info
|
|
|
|
|
integer(psb_ipk_), optional, intent(in) :: n
|
|
|
|
|
|
|
|
|
|
!locals
|
|
|
|
|
integer(psb_ipk_) :: np,me,nr,i,err_act, n_, lb_
|
|
|
|
|
integer(psb_ipk_) :: ictxt, int_err(5), exch(1)
|
|
|
|
|
integer(psb_ipk_) :: debug_level, debug_unit
|
|
|
|
|
character(len=20) :: name
|
|
|
|
|
|
|
|
|
|
info=psb_success_
|
|
|
|
|
if (psb_errstatus_fatal()) return
|
|
|
|
|
name='psb_geall'
|
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
|
debug_unit = psb_get_debug_unit()
|
|
|
|
|
debug_level = psb_get_debug_level()
|
|
|
|
|
|
|
|
|
|
ictxt=desc_a%get_context()
|
|
|
|
|
|
|
|
|
|
call psb_info(ictxt, me, np)
|
|
|
|
|
! ....verify blacs grid correctness..
|
|
|
|
|
if (np == -1) then
|
|
|
|
|
info = psb_err_context_error_
|
|
|
|
|
call psb_errpush(info,name)
|
|
|
|
|
goto 9999
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
!... check m and n parameters....
|
|
|
|
|
if (.not.desc_a%is_ok()) then
|
|
|
|
|
info = psb_err_invalid_cd_state_
|
|
|
|
|
call psb_errpush(info,name)
|
|
|
|
|
goto 9999
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
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=psb_err_parm_differs_among_procs_
|
|
|
|
|
int_err(1)=1
|
|
|
|
|
call psb_errpush(info,name,int_err)
|
|
|
|
|
goto 9999
|
|
|
|
|
endif
|
|
|
|
|
endif
|
|
|
|
|
! As this is a rank-1 array, optional parameter N is actually ignored.
|
|
|
|
|
|
|
|
|
|
!....allocate x .....
|
|
|
|
|
if (desc_a%is_asb().or.desc_a%is_upd()) then
|
|
|
|
|
nr = max(1,desc_a%get_local_cols())
|
|
|
|
|
else if (desc_a%is_bld()) then
|
|
|
|
|
nr = max(1,desc_a%get_local_rows())
|
|
|
|
|
else
|
|
|
|
|
info = psb_err_internal_error_
|
|
|
|
|
call psb_errpush(info,name,int_err,a_err='Invalid desc_a')
|
|
|
|
|
goto 9999
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
allocate(psb_s_base_multivect_type :: x%v, stat=info)
|
|
|
|
|
if (info == 0) call x%all(nr,n_,info)
|
|
|
|
|
if (info == 0) call x%zero()
|
|
|
|
|
|
|
|
|
|
if (psb_errstatus_fatal()) then
|
|
|
|
|
info=psb_err_alloc_request_
|
|
|
|
|
int_err(1)=nr
|
|
|
|
|
call psb_errpush(info,name,int_err,a_err='real(psb_spk_)')
|
|
|
|
|
goto 9999
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
call psb_erractionrestore(err_act)
|
|
|
|
|
return
|
|
|
|
|
|
|
|
|
|
9999 call psb_error_handler(ictxt,err_act)
|
|
|
|
|
|
|
|
|
|
return
|
|
|
|
|
|
|
|
|
|
end subroutine psb_salloc_multivect
|
