!!$ 
!!$              Parallel Sparse BLAS  version 3.0
!!$    (C) Copyright 2006, 2007, 2008, 2009, 2010, 2012
!!$                       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.
!!$ 
!!$  
module psb_c_psblas_mod
  use psb_desc_mod, only : psb_desc_type, psb_spk_, psb_ipk_
  use psb_c_vect_mod, only : psb_c_vect_type
  use psb_c_mat_mod, only : psb_cspmat_type

  interface psb_gedot
    function psb_cdot_vect(x, y, desc_a,info) result(res)
      import :: psb_desc_type, psb_spk_, psb_ipk_, &
           & psb_c_vect_type, psb_cspmat_type
      complex(psb_spk_)                    :: res
      type(psb_c_vect_type), intent(inout) :: x, y
      type(psb_desc_type), intent(in)      :: desc_a
      integer(psb_ipk_), intent(out)                 :: info
    end function psb_cdot_vect
    function psb_cdotv(x, y, desc_a,info) 
      import :: psb_desc_type, psb_spk_, psb_ipk_, &
           & psb_c_vect_type, psb_cspmat_type
      complex(psb_spk_)                :: psb_cdotv
      complex(psb_spk_), intent(in)    :: x(:), y(:)
      type(psb_desc_type), intent(in)    :: desc_a
      integer(psb_ipk_), intent(out)               :: info
    end function psb_cdotv
    function psb_cdot(x, y, desc_a, info, jx, jy) 
      import :: psb_desc_type, psb_spk_, psb_ipk_, &
           & psb_c_vect_type, psb_cspmat_type
      complex(psb_spk_)                :: psb_cdot
      complex(psb_spk_), intent(in)    :: x(:,:), y(:,:)
      type(psb_desc_type), intent(in)    :: desc_a
      integer(psb_ipk_), optional, intent(in)      :: jx, jy
      integer(psb_ipk_), intent(out)               :: info
    end function psb_cdot
  end interface


  interface psb_gedots
    subroutine  psb_cdotvs(res,x, y, desc_a, info)
      import :: psb_desc_type, psb_spk_, psb_ipk_, &
           & psb_c_vect_type, psb_cspmat_type 
      complex(psb_spk_), intent(out)      :: res
      complex(psb_spk_), intent(in)       :: x(:), y(:)
      type(psb_desc_type), intent(in)    :: desc_a
      integer(psb_ipk_), intent(out)               :: info
    end subroutine psb_cdotvs
    subroutine  psb_cmdots(res,x, y, desc_a,info)
      import :: psb_desc_type, psb_spk_, psb_ipk_, &
           & psb_c_vect_type, psb_cspmat_type 
      complex(psb_spk_), intent(out)      :: res(:)
      complex(psb_spk_), intent(in)       :: x(:,:), y(:,:)
      type(psb_desc_type), intent(in)    :: desc_a
      integer(psb_ipk_), intent(out)               :: info
    end subroutine psb_cmdots
  end interface

  interface psb_geaxpby
    subroutine psb_caxpby_vect(alpha, x, beta, y,&
         & desc_a, info)
      import :: psb_desc_type, psb_spk_, psb_ipk_, &
           & psb_c_vect_type, psb_cspmat_type
      type(psb_c_vect_type), intent (inout) :: x
      type(psb_c_vect_type), intent (inout) :: y
      complex(psb_spk_), intent (in)        :: alpha, beta
      type(psb_desc_type), intent (in)      :: desc_a
      integer(psb_ipk_), intent(out)                  :: info
    end subroutine psb_caxpby_vect
    subroutine psb_caxpbyv(alpha, x, beta, y,&
         & desc_a, info)
      import :: psb_desc_type, psb_spk_, psb_ipk_, &
           & psb_c_vect_type, psb_cspmat_type
      complex(psb_spk_), intent (in)       ::  x(:)
      complex(psb_spk_), intent (inout)    ::  y(:)
      complex(psb_spk_), intent (in)       :: alpha, beta
      type(psb_desc_type), intent (in)    :: desc_a
      integer(psb_ipk_), intent(out)                :: info
    end subroutine psb_caxpbyv
    subroutine psb_caxpby(alpha, x, beta, y,&
         & desc_a, info, n, jx, jy)
      import :: psb_desc_type, psb_spk_, psb_ipk_, &
           & psb_c_vect_type, psb_cspmat_type
      complex(psb_spk_), intent (in)       ::  x(:,:)
      complex(psb_spk_), intent (inout)    ::  y(:,:)
      complex(psb_spk_), intent (in)       ::  alpha, beta
      type(psb_desc_type), intent (in)    :: desc_a
      integer(psb_ipk_), optional, intent(in) :: n, jx, jy
      integer(psb_ipk_), intent(out)                :: info
    end subroutine psb_caxpby
  end interface

  interface psb_geamax
    function psb_camax(x, desc_a, info, jx)
      import :: psb_desc_type, psb_spk_, psb_ipk_, &
           & psb_c_vect_type, psb_cspmat_type
      real(psb_spk_)   psb_camax
      complex(psb_spk_), intent (in)       :: x(:,:)
      type(psb_desc_type), intent (in)    :: desc_a
      integer(psb_ipk_), optional, intent (in)      :: jx
      integer(psb_ipk_), intent(out)                :: info
    end function psb_camax
    function psb_camaxv(x, desc_a,info)
      import :: psb_desc_type, psb_spk_, psb_ipk_, &
           & psb_c_vect_type, psb_cspmat_type
      real(psb_spk_) psb_camaxv
      complex(psb_spk_), intent (in)       :: x(:)
      type(psb_desc_type), intent (in)    :: desc_a
      integer(psb_ipk_), intent(out)                :: info
    end function psb_camaxv
    function psb_camax_vect(x, desc_a, info) result(res)
      import :: psb_desc_type, psb_spk_, psb_ipk_, &
           & psb_c_vect_type, psb_cspmat_type
      real(psb_spk_)                        :: res
      type(psb_c_vect_type), intent (inout) :: x
      type(psb_desc_type), intent (in)      :: desc_a
      integer(psb_ipk_), intent(out)                  :: info
    end function psb_camax_vect
  end interface

  interface psb_geamaxs
    subroutine  psb_camaxvs(res,x,desc_a,info)
      import :: psb_desc_type, psb_spk_, psb_ipk_, &
           & psb_c_vect_type, psb_cspmat_type
      real(psb_spk_), intent (out)      :: res
      complex(psb_spk_), intent (in)    :: x(:)
      type(psb_desc_type), intent (in)  :: desc_a
      integer(psb_ipk_), intent(out)              :: info
    end subroutine psb_camaxvs
    subroutine  psb_cmamaxs(res,x,desc_a,info,jx)
      import :: psb_desc_type, psb_spk_, psb_ipk_, &
           & psb_c_vect_type, psb_cspmat_type
      real(psb_spk_), intent (out)       :: res(:)
      complex(psb_spk_), intent (in)     :: x(:,:)
      type(psb_desc_type), intent (in)   :: desc_a
      integer(psb_ipk_), intent(out)               :: info
      integer(psb_ipk_), optional, intent(in)      :: jx
    end subroutine psb_cmamaxs
  end interface

  interface psb_geasum
    function psb_casum_vect(x, desc_a, info) result(res)
      import :: psb_desc_type, psb_spk_, psb_ipk_, &
           & psb_c_vect_type, psb_cspmat_type
      real(psb_spk_)                        :: res
      type(psb_c_vect_type), intent (inout) :: x
      type(psb_desc_type), intent (in)      :: desc_a
      integer(psb_ipk_), intent(out)                  :: info
    end function psb_casum_vect
    function psb_casum(x, desc_a, info, jx)
      import :: psb_desc_type, psb_spk_, psb_ipk_, &
           & psb_c_vect_type, psb_cspmat_type
      real(psb_spk_)   psb_casum
      complex(psb_spk_), intent (in)       :: x(:,:)
      type(psb_desc_type), intent (in)    :: desc_a
      integer(psb_ipk_), optional, intent (in)      :: jx
      integer(psb_ipk_), intent(out)                :: info
    end function psb_casum
    function psb_casumv(x, desc_a, info)
      import :: psb_desc_type, psb_spk_, psb_ipk_, &
           & psb_c_vect_type, psb_cspmat_type
      real(psb_spk_) psb_casumv
      complex(psb_spk_), intent (in)       :: x(:)
      type(psb_desc_type), intent (in)    :: desc_a
      integer(psb_ipk_), intent(out)                :: info
    end function psb_casumv
  end interface

  interface psb_geasums
    subroutine  psb_casumvs(res,x,desc_a,info)
      import :: psb_desc_type, psb_spk_, psb_ipk_, &
           & psb_c_vect_type, psb_cspmat_type
      real(psb_spk_), intent (out)      :: res
      complex(psb_spk_), intent (in)       :: x(:)
      type(psb_desc_type), intent (in)    :: desc_a
      integer(psb_ipk_), intent(out)                :: info
    end subroutine psb_casumvs
    subroutine  psb_cmasum(res,x,desc_a,info)
      import :: psb_desc_type, psb_spk_, psb_ipk_, &
           & psb_c_vect_type, psb_cspmat_type
      real(psb_spk_), intent (out)      :: res(:)
      complex(psb_spk_), intent (in)       :: x(:,:)
      type(psb_desc_type), intent (in)    :: desc_a
      integer(psb_ipk_), intent(out)                :: info
    end subroutine psb_cmasum
  end interface


  interface psb_genrm2
    function psb_cnrm2(x, desc_a, info, jx)
      import :: psb_desc_type, psb_spk_, psb_ipk_, &
           & psb_c_vect_type, psb_cspmat_type
      real(psb_spk_)   psb_cnrm2
      complex(psb_spk_), intent (in)       :: x(:,:)
      type(psb_desc_type), intent (in)    :: desc_a
      integer(psb_ipk_), optional, intent (in)      :: jx
      integer(psb_ipk_), intent(out)                :: info
    end function psb_cnrm2
    function psb_cnrm2v(x, desc_a, info)
      import :: psb_desc_type, psb_spk_, psb_ipk_, &
           & psb_c_vect_type, psb_cspmat_type
      real(psb_spk_) psb_cnrm2v
      complex(psb_spk_), intent (in)       :: x(:)
      type(psb_desc_type), intent (in)    :: desc_a
      integer(psb_ipk_), intent(out)                :: info
    end function psb_cnrm2v
    function psb_cnrm2_vect(x, desc_a, info) result(res)
      import :: psb_desc_type, psb_spk_, psb_ipk_, &
           & psb_c_vect_type, psb_cspmat_type
      real(psb_spk_)                      :: res
      type(psb_c_vect_type), intent (inout)   :: x
      type(psb_desc_type), intent (in)    :: desc_a
      integer(psb_ipk_), intent(out)                :: info
    end function psb_cnrm2_vect
  end interface

  interface psb_genrm2s
    subroutine  psb_cnrm2vs(res,x,desc_a,info)
      import :: psb_desc_type, psb_spk_, psb_ipk_, &
           & psb_c_vect_type, psb_cspmat_type
      real(psb_spk_), intent (out)      :: res
      complex(psb_spk_), intent (in)       :: x(:)
      type(psb_desc_type), intent (in)    :: desc_a
      integer(psb_ipk_), intent(out)                :: info
    end subroutine psb_cnrm2vs
  end interface


  interface psb_spnrmi
    function psb_cnrmi(a, desc_a,info)
      import :: psb_desc_type, psb_spk_, psb_ipk_, &
           & psb_c_vect_type, psb_cspmat_type
      real(psb_spk_)                    :: psb_cnrmi
      type(psb_cspmat_type), intent (in) :: a
      type(psb_desc_type), intent (in)   :: desc_a
      integer(psb_ipk_), intent(out)               :: info
    end function psb_cnrmi
  end interface

  interface psb_spnrm1
    function psb_cspnrm1(a, desc_a,info)
      import :: psb_desc_type, psb_spk_, psb_ipk_, &
           & psb_c_vect_type, psb_cspmat_type
      real(psb_spk_)                      :: psb_cspnrm1
      type(psb_cspmat_type), intent (in) :: a
      type(psb_desc_type), intent (in)    :: desc_a
      integer(psb_ipk_), intent(out)                :: info
    end function psb_cspnrm1
  end interface

  interface psb_spmm
    subroutine psb_cspmm(alpha, a, x, beta, y, desc_a, info,&
         &trans, k, jx, jy,work,doswap)
      import :: psb_desc_type, psb_spk_, psb_ipk_, &
           & psb_c_vect_type, psb_cspmat_type
      type(psb_cspmat_type), intent(in)        :: a
      complex(psb_spk_), intent(inout), target :: x(:,:)
      complex(psb_spk_), intent(inout), target :: y(:,:)
      complex(psb_spk_), intent(in)            :: alpha, beta
      type(psb_desc_type), intent(in)          :: desc_a
      character, optional, intent(in)          :: trans
      complex(psb_spk_), optional, intent(inout),target :: work(:)
      integer(psb_ipk_), optional, intent(in)        :: k, jx, jy
      logical, optional, intent(in)        :: doswap
      integer(psb_ipk_), intent(out)                 :: info
    end subroutine psb_cspmm
    subroutine psb_cspmv(alpha, a, x, beta, y,&
         & desc_a, info, trans, work,doswap)
      import :: psb_desc_type, psb_spk_, psb_ipk_, &
           & psb_c_vect_type, psb_cspmat_type
      type(psb_cspmat_type), intent(in)        :: a
      complex(psb_spk_), intent(inout), target :: x(:)
      complex(psb_spk_), intent(inout), target :: y(:)
      complex(psb_spk_), intent(in)            :: alpha, beta
      type(psb_desc_type), intent(in)          :: desc_a
      character, optional, intent(in)          :: trans
      complex(psb_spk_), optional, intent(inout),target :: work(:)
      logical, optional, intent(in)        :: doswap
      integer(psb_ipk_), intent(out)                 :: info
    end subroutine psb_cspmv
    subroutine psb_cspmv_vect(alpha, a, x, beta, y,&
         & desc_a, info, trans, work,doswap)
      import :: psb_desc_type, psb_spk_, psb_ipk_, &
           & psb_c_vect_type, psb_cspmat_type
      type(psb_cspmat_type), intent(in)    :: a
      type(psb_c_vect_type), intent(inout) :: x
      type(psb_c_vect_type), intent(inout) :: y
      complex(psb_spk_), intent(in)        :: alpha, beta
      type(psb_desc_type), intent(in)      :: desc_a
      character, optional, intent(in)      :: trans
      complex(psb_spk_), optional, intent(inout),target :: work(:)
      logical, optional, intent(in)        :: doswap
      integer(psb_ipk_), intent(out)                 :: info
    end subroutine psb_cspmv_vect
  end interface

  interface psb_spsm
    subroutine psb_cspsm(alpha, t, x, beta, y,&
         & desc_a, info, trans, scale, choice,& 
         & diag, n, jx, jy, work)
      import :: psb_desc_type, psb_spk_, psb_ipk_, &
           & psb_c_vect_type, psb_cspmat_type
      type(psb_cspmat_type), intent(in)        :: t
      complex(psb_spk_), intent(in), target    :: x(:,:)
      complex(psb_spk_), intent(inout), target :: y(:,:)
      complex(psb_spk_), intent(in)            :: alpha, beta
      type(psb_desc_type), intent(in)          :: desc_a
      character, optional, intent(in)          :: trans, scale
      integer(psb_ipk_), optional, intent(in)            :: n, jx, jy
      integer(psb_ipk_), optional, intent(in)            :: choice
      complex(psb_spk_), optional, intent(in), target :: diag(:)
      complex(psb_spk_), optional, intent(inout), target :: work(:)
      integer(psb_ipk_), intent(out)               :: info
    end subroutine psb_cspsm
    subroutine psb_cspsv(alpha, t, x, beta, y,&
         & desc_a, info, trans, scale, choice,& 
         & diag, work)
      import :: psb_desc_type, psb_spk_, psb_ipk_, &
           & psb_c_vect_type, psb_cspmat_type
      type(psb_cspmat_type), intent(in)        :: t
      complex(psb_spk_), intent(in), target    :: x(:)
      complex(psb_spk_), intent(inout), target :: y(:)
      complex(psb_spk_), intent(in)            :: alpha, beta
      type(psb_desc_type), intent(in)          :: desc_a
      character, optional, intent(in)          :: trans, scale
      integer(psb_ipk_), optional, intent(in)            :: choice
      complex(psb_spk_), optional, intent(in), target :: diag(:)
      complex(psb_spk_), optional, intent(inout), target :: work(:)
      integer(psb_ipk_), intent(out)                   :: info
    end subroutine psb_cspsv
    subroutine psb_cspsv_vect(alpha, t, x, beta, y,&
         & desc_a, info, trans, scale, choice,& 
         & diag, work)
      import :: psb_desc_type, psb_spk_, psb_ipk_, &
           & psb_c_vect_type, psb_cspmat_type
      type(psb_cspmat_type), intent(inout)   :: t
      type(psb_c_vect_type), intent(inout)   :: x
      type(psb_c_vect_type), intent(inout)   :: y
      complex(psb_spk_), intent(in)          :: alpha, beta
      type(psb_desc_type), intent(in)        :: desc_a
      character, optional, intent(in)        :: trans, scale
      integer(psb_ipk_), optional, intent(in)          :: choice
      type(psb_c_vect_type), intent(inout), optional :: diag
      complex(psb_spk_), optional, intent(inout), target :: work(:)
      integer(psb_ipk_), intent(out)                   :: info
    end subroutine psb_cspsv_vect
  end interface

end module psb_c_psblas_mod