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psblas3/ext/impl/psb_c_ell_trim.f90

61 lines
2.5 KiB
Fortran

! Parallel Sparse BLAS GPU plugin
! (C) Copyright 2013
!
! Salvatore Filippone
! Alessandro Fanfarillo
!
! 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_c_ell_trim(a)
use psb_base_mod
use psb_c_ell_mat_mod, psb_protect_name => psb_c_ell_trim
implicit none
class(psb_c_ell_sparse_mat), intent(inout) :: a
Integer(psb_ipk_) :: err_act, info, nz, m, nzm
character(len=20) :: name='trim'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = psb_success_
m = max(1_psb_ipk_,a%get_nrows())
nzm = max(1_psb_ipk_,maxval(a%irn(1:m)))
call psb_realloc(m,a%irn,info)
if (info == psb_success_) call psb_realloc(m,a%idiag,info)
if (info == psb_success_) call psb_realloc(m,nzm,a%ja,info)
if (info == psb_success_) call psb_realloc(m,nzm,a%val,info)
if (info /= psb_success_) goto 9999
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_c_ell_trim