!   
!                Parallel Sparse BLAS  version 3.5
!      (C) Copyright 2006-2018
!        Salvatore Filippone    
!        Alfredo Buttari      
!   
!    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_hbio_mod

  use psb_base_mod, only :  psb_ipk_, psb_spk_, psb_dpk_,&
       & psb_sspmat_type, psb_cspmat_type, &
       & psb_dspmat_type, psb_zspmat_type


  public hb_read, hb_write
  interface hb_read
    subroutine shb_read(a, iret, iunit, filename,b,g,x,mtitle)   
      import :: psb_sspmat_type, psb_spk_, psb_ipk_
      implicit none
      type(psb_sspmat_type), intent(out)     :: a
      integer(psb_ipk_), intent(out)                   :: iret
      integer(psb_ipk_), optional, intent(in)          :: iunit
      character(len=*), optional, intent(in) :: filename
      real(psb_spk_), optional, allocatable, intent(out)  :: b(:,:), g(:,:), x(:,:) 
      character(len=72), optional, intent(out) :: mtitle
    end subroutine shb_read
    subroutine dhb_read(a, iret, iunit, filename,b,g,x,mtitle)   
      import :: psb_dspmat_type, psb_dpk_, psb_ipk_
      implicit none
      type(psb_dspmat_type), intent(out)     :: a
      integer(psb_ipk_), intent(out)                   :: iret
      integer(psb_ipk_), optional, intent(in)          :: iunit
      character(len=*), optional, intent(in) :: filename
      real(psb_dpk_), optional, allocatable, intent(out)  :: b(:,:), g(:,:), x(:,:) 
      character(len=72), optional, intent(out) :: mtitle
    end subroutine dhb_read
    subroutine chb_read(a, iret, iunit, filename,b,g,x,mtitle)   
      import :: psb_cspmat_type, psb_spk_, psb_ipk_
      implicit none
      type(psb_cspmat_type), intent(out)     :: a
      integer(psb_ipk_), intent(out)                   :: iret
      integer(psb_ipk_), optional, intent(in)          :: iunit
      character(len=*), optional, intent(in) :: filename
      complex(psb_spk_), optional, allocatable, intent(out)  :: b(:,:), g(:,:), x(:,:) 
      character(len=72), optional, intent(out) :: mtitle
    end subroutine chb_read
    subroutine zhb_read(a, iret, iunit, filename,b,g,x,mtitle)   
      import :: psb_zspmat_type, psb_dpk_, psb_ipk_
      implicit none
      type(psb_zspmat_type), intent(out)     :: a
      integer(psb_ipk_), intent(out)                   :: iret
      integer(psb_ipk_), optional, intent(in)          :: iunit
      character(len=*), optional, intent(in) :: filename
      complex(psb_dpk_), optional, allocatable, intent(out)  :: b(:,:), g(:,:), x(:,:) 
      character(len=72), optional, intent(out) :: mtitle
    end subroutine zhb_read
  end interface

  interface hb_write
    subroutine shb_write(a,iret,iunit,filename,key,rhs,g,x,mtitle)
      import :: psb_sspmat_type, psb_spk_, psb_ipk_
      implicit none
      type(psb_sspmat_type), intent(inout)  :: a
      integer(psb_ipk_), intent(out)        :: iret
      character(len=*), optional, intent(in) :: mtitle
      integer(psb_ipk_), optional, intent(in)          :: iunit
      character(len=*), optional, intent(in) :: filename
      character(len=*), optional, intent(in) :: key
      real(psb_spk_), optional             :: rhs(:), g(:), x(:)
    end subroutine shb_write
    subroutine dhb_write(a,iret,iunit,filename,key,rhs,g,x,mtitle)
      import :: psb_dspmat_type, psb_dpk_, psb_ipk_
      implicit none
      type(psb_dspmat_type), intent(inout)  :: a
      integer(psb_ipk_), intent(out)        :: iret
      character(len=*), optional, intent(in) :: mtitle
      integer(psb_ipk_), optional, intent(in)          :: iunit
      character(len=*), optional, intent(in) :: filename
      character(len=*), optional, intent(in) :: key
      real(psb_dpk_), optional             :: rhs(:), g(:), x(:)
    end subroutine dhb_write
    subroutine chb_write(a,iret,iunit,filename,key,rhs,g,x,mtitle)
      import :: psb_cspmat_type, psb_spk_, psb_ipk_
      implicit none
      type(psb_cspmat_type), intent(inout)  :: a
      integer(psb_ipk_), intent(out)        :: iret
      character(len=*), optional, intent(in) :: mtitle
      integer(psb_ipk_), optional, intent(in)          :: iunit
      character(len=*), optional, intent(in) :: filename
      character(len=*), optional, intent(in) :: key
      complex(psb_spk_), optional             :: rhs(:), g(:), x(:)
    end subroutine chb_write
    subroutine zhb_write(a,iret,iunit,filename,key,rhs,g,x,mtitle)
      import :: psb_zspmat_type, psb_dpk_, psb_ipk_
      implicit none
      type(psb_zspmat_type), intent(inout)  :: a
      integer(psb_ipk_), intent(out)        :: iret
      character(len=*), optional, intent(in) :: mtitle
      integer(psb_ipk_), optional, intent(in)          :: iunit
      character(len=*), optional, intent(in) :: filename
      character(len=*), optional, intent(in) :: key
      complex(psb_dpk_), optional             :: rhs(:), g(:), x(:)
    end subroutine zhb_write
  end interface

end module psb_hbio_mod
