module psi_i_serial_mod
  use psb_const_mod, only : psb_ipk_

  interface psb_gelp
    ! 2-D version
    subroutine psb_igelp(trans,iperm,x,info)
      import :: psb_ipk_
      implicit none 
      integer(psb_ipk_), intent(inout)     ::  x(:,:)
      integer(psb_ipk_), intent(in)      ::  iperm(:)
      integer(psb_ipk_), intent(out)     ::  info
      character, intent(in)              :: trans
    end subroutine psb_igelp
    subroutine psb_igelpv(trans,iperm,x,info)
      import :: psb_ipk_
      implicit none 
      integer(psb_ipk_), intent(inout)     ::  x(:)
      integer(psb_ipk_), intent(in)      ::  iperm(:)
      integer(psb_ipk_), intent(out)     ::  info
      character, intent(in)              :: trans
    end subroutine psb_igelpv
  end interface psb_gelp
  
  interface psb_geaxpby 
    subroutine psi_iaxpby(m,n,alpha, x, beta, y, info)
      import :: psb_ipk_
      implicit none 
      integer(psb_ipk_), intent(in)      :: m, n
      integer(psb_ipk_), intent (in)       ::  x(:,:)
      integer(psb_ipk_), intent (inout)    ::  y(:,:)
      integer(psb_ipk_), intent (in)       ::  alpha, beta
      integer(psb_ipk_), intent(out)     :: info
    end subroutine psi_iaxpby
    subroutine psi_iaxpbyv(m,alpha, x, beta, y, info)
      import :: psb_ipk_
      implicit none 
      integer(psb_ipk_), intent(in)      :: m
      integer(psb_ipk_), intent (in)       ::  x(:)
      integer(psb_ipk_), intent (inout)    ::  y(:)
      integer(psb_ipk_), intent (in)       :: alpha, beta
      integer(psb_ipk_), intent(out)     :: info
    end subroutine psi_iaxpbyv
  end interface psb_geaxpby

  interface psi_gth
    subroutine psi_igthmv(n,k,idx,alpha,x,beta,y)
      import :: psb_ipk_
      implicit none
      integer(psb_ipk_) :: n, k, idx(:)
      integer(psb_ipk_) :: x(:,:), y(:),alpha,beta
    end subroutine psi_igthmv
    subroutine psi_igthv(n,idx,alpha,x,beta,y)
      import :: psb_ipk_
      implicit none
      integer(psb_ipk_) :: n, idx(:)
      integer(psb_ipk_) :: x(:), y(:),alpha,beta
    end subroutine psi_igthv
    subroutine psi_igthzmv(n,k,idx,x,y)
      import :: psb_ipk_
      implicit none
      integer(psb_ipk_) :: n, k, idx(:)
      integer(psb_ipk_) :: x(:,:), y(:)
      
    end subroutine psi_igthzmv
    subroutine psi_igthzv(n,idx,x,y)
      import :: psb_ipk_
      implicit none 
      integer(psb_ipk_) :: n, idx(:)
      integer(psb_ipk_) :: x(:), y(:)
    end subroutine psi_igthzv
  end interface psi_gth

  interface psi_sct
    subroutine psi_isctmv(n,k,idx,x,beta,y)
      import :: psb_ipk_
      implicit none
      integer(psb_ipk_) :: n, k, idx(:)
      integer(psb_ipk_) :: beta, x(:), y(:,:)
    end subroutine psi_isctmv
    subroutine psi_isctv(n,idx,x,beta,y)
      import :: psb_ipk_
      implicit none
      
      integer(psb_ipk_) :: n, idx(:)
      integer(psb_ipk_) :: beta, x(:), y(:)
    end subroutine psi_isctv
  end interface psi_sct

end module psi_i_serial_mod