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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: complex.mli,v 1.19 2003/03/16 23:43:46 stevenj Exp $ *)
type expr
val two : expr
val one : expr
val zero : expr
val inverse_int : int -> expr
val times : expr -> expr -> expr
val uminus : expr -> expr
val swap_re_im : expr -> expr
val exp : int -> int -> expr
val plus : expr list -> expr
val real : expr -> expr
val imag : expr -> expr
val conj : expr -> expr
val sigma : int -> int -> (int -> expr) -> expr
val wsquare : expr -> expr
val wthree : expr -> expr -> expr -> expr
type variable
val load_var : variable -> expr
val store_var : variable -> expr -> Exprdag.node list
val store_real : variable -> expr -> Exprdag.node list
val store_imag : variable -> expr -> Exprdag.node list
val access_input : int -> variable
val access_output : int -> variable
val access_twiddle : int -> variable
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