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(*
* Copyright (c) 1997-1999, 2003 Massachusetts Institute of Technology
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*)
(* $Id: variable.mli,v 1.20 2003/03/16 23:43:46 stevenj Exp $ *)
type variable
val make_temporary : unit -> variable
val clobbers : variable -> variable -> bool
val real_imag : variable -> variable -> bool
val increasing_indices : variable -> variable -> bool
val access_input : int -> variable * variable
val access_output : int -> variable * variable
val access_twiddle : int -> variable * variable
val same : 'a -> 'a -> bool
val similar : variable -> variable -> bool
val hash : variable -> int
val is_temporary : variable -> bool
val is_output : variable -> bool
val is_input : variable -> bool
val is_twiddle : variable -> bool
val make_named : string -> variable
val make_unparser :
string * string option ->
string * string option ->
string * string option ->
variable -> string
val make_real2hc_unparser :
string * string option ->
string * string option ->
string * string option ->
variable -> string
val make_realeven_unparser :
string * string option ->
string * string option ->
variable -> string
val make_realodd_unparser :
string * string option ->
string * string option ->
variable -> string
val make_realodd2_unparser :
string * string option ->
string * string option ->
variable -> string
val make_hc2real_unparser :
string * string option ->
string * string option ->
string * string option ->
variable -> string
val make_hc2hc_forward_unparser :
int ->
string * string option ->
string * string option ->
string * string option ->
variable -> string
val make_hc2hc_backward_unparser :
int ->
string * string option ->
string * string option ->
string * string option ->
variable -> string
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