!!$
!!$ 
!!$                           MLD2P4  version 2.1
!!$  MultiLevel Domain Decomposition Parallel Preconditioners Package
!!$             based on PSBLAS (Parallel Sparse BLAS version 3.4)
!!$  
!!$  (C) Copyright 2008, 2010, 2012, 2015, 2017 
!!$
!!$      Salvatore Filippone    Cranfield University
!!$      Ambra Abdullahi Hassan University of Rome Tor Vergata
!!$      Alfredo Buttari        CNRS-IRIT, Toulouse
!!$      Pasqua D'Ambra         ICAR-CNR, Naples
!!$      Daniela di Serafino    University of Campania "L. Vanvitelli", Caserta
!!$ 
!!$  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 MLD2P4 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 MLD2P4 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 mld_c_base_solver_apply(alpha,sv,x,beta,y,desc_data,&
     & trans,work,info,init,initu)
  
  use psb_base_mod
  use mld_c_base_solver_mod, mld_protect_name =>  mld_c_base_solver_apply
  implicit none 
  type(psb_desc_type), intent(in)            :: desc_data
  class(mld_c_base_solver_type), intent(inout) :: sv
  complex(psb_spk_),intent(inout)              :: x(:)
  complex(psb_spk_),intent(inout)              :: y(:)
  complex(psb_spk_),intent(in)                 :: alpha,beta
  character(len=1),intent(in)                :: trans
  complex(psb_spk_),target, intent(inout)      :: work(:)
  integer(psb_ipk_), intent(out)             :: info
  character, intent(in), optional       :: init
  complex(psb_spk_),intent(inout), optional :: initu(:)

  integer(psb_ipk_) :: err_act
  character(len=20) :: name='c_base_solver_apply'

  call psb_erractionsave(err_act)

  info = psb_err_missing_override_method_
  call psb_errpush(info,name)
  goto 9999 

  call psb_erractionrestore(err_act)
  return

9999 call psb_error_handler(err_act)

  return

end subroutine mld_c_base_solver_apply