!!$ 
!!$              Parallel Sparse BLAS  version 3.4
!!$    (C) Copyright 2006, 2010, 2015
!!$                       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
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!!$    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
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!!$  
module psi_acx_mod
  use psb_const_mod
  interface operator(<)
    module procedure psi_calt, psi_zalt
  end interface
  interface operator(<=)
    module procedure psi_cale, psi_zale
  end interface
  interface operator(>)
    module procedure psi_cagt, psi_zagt
  end interface
  interface operator(>=)
    module procedure psi_cage, psi_zage
  end interface

contains

  function psi_calt(a,b) result(res)
    use psb_const_mod
    complex(psb_spk_), intent(in) :: a,b
    logical :: res

    res = (abs(a) < abs(b))
  end function psi_calt

  function psi_cale(a,b) result(res)
    use psb_const_mod
    complex(psb_spk_), intent(in) :: a,b
    logical :: res
    
    res = (abs(a) <= abs(b))
  end function psi_cale

  function psi_cagt(a,b) result(res)
    use psb_const_mod
    complex(psb_spk_), intent(in) :: a,b
    logical :: res
    
    res = (abs(a) > abs(b))
  end function psi_cagt

  function psi_cage(a,b) result(res)
    use psb_const_mod
    complex(psb_spk_), intent(in) :: a,b
    logical :: res
    
    res = (abs(a) >= abs(b))
  end function psi_cage

  function psi_zalt(a,b) result(res)
    use psb_const_mod
    complex(psb_dpk_), intent(in) :: a,b
    logical :: res

    res = (abs(a) < abs(b))
  end function psi_zalt

  function psi_zale(a,b) result(res)
    use psb_const_mod
    complex(psb_dpk_), intent(in) :: a,b
    logical :: res
    
    res = (abs(a) <= abs(b))
  end function psi_zale

  function psi_zagt(a,b) result(res)
    use psb_const_mod
    complex(psb_dpk_), intent(in) :: a,b
    logical :: res
    
    res = (abs(a) > abs(b))
  end function psi_zagt

  function psi_zage(a,b) result(res)
    use psb_const_mod
    complex(psb_dpk_), intent(in) :: a,b
    logical :: res
    
    res = (abs(a) >= abs(b))
  end function psi_zage

end module psi_acx_mod