Chris@19: (*
Chris@19:  * Copyright (c) 1997-1999 Massachusetts Institute of Technology
Chris@19:  * Copyright (c) 2003, 2007-14 Matteo Frigo
Chris@19:  * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
Chris@19:  *
Chris@19:  * This program is free software; you can redistribute it and/or modify
Chris@19:  * it under the terms of the GNU General Public License as published by
Chris@19:  * the Free Software Foundation; either version 2 of the License, or
Chris@19:  * (at your option) any later version.
Chris@19:  *
Chris@19:  * This program is distributed in the hope that it will be useful,
Chris@19:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@19:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Chris@19:  * GNU General Public License for more details.
Chris@19:  *
Chris@19:  * You should have received a copy of the GNU General Public License
Chris@19:  * along with this program; if not, write to the Free Software
Chris@19:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
Chris@19:  *
Chris@19:  *)
Chris@19: 
Chris@19: type expr
Chris@19: val make : (Expr.expr * Expr.expr) -> expr
Chris@19: val two : expr
Chris@19: val one : expr
Chris@19: val i : expr
Chris@19: val zero : expr
Chris@19: val half : expr
Chris@19: val inverse_int : int -> expr
Chris@19: val inverse_int_sqrt : int -> expr
Chris@19: val int_sqrt : int -> expr
Chris@19: val times : expr -> expr -> expr
Chris@19: val ctimes : expr -> expr -> expr
Chris@19: val ctimesj : expr -> expr -> expr
Chris@19: val uminus : expr -> expr
Chris@19: val exp : int -> int -> expr
Chris@19: val sec : int -> int -> expr
Chris@19: val csc : int -> int -> expr
Chris@19: val tan : int -> int -> expr
Chris@19: val cot : int -> int -> expr
Chris@19: val plus : expr list -> expr
Chris@19: val real : expr -> expr
Chris@19: val imag : expr -> expr
Chris@19: val conj : expr -> expr
Chris@19: val nan : Expr.transcendent -> expr
Chris@19: val sigma : int -> int -> (int -> expr) -> expr
Chris@19: 
Chris@19: val (@*) : expr -> expr -> expr
Chris@19: val (@+) : expr -> expr -> expr
Chris@19: val (@-) : expr -> expr -> expr
Chris@19: 
Chris@19: (* a signal is a map from integers to expressions *)
Chris@19: type signal = int -> expr
Chris@19: val infinite : int -> signal -> signal
Chris@19: 
Chris@19: val store_real : Variable.variable -> expr -> Expr.expr
Chris@19: val store_imag : Variable.variable -> expr -> Expr.expr
Chris@19: val store :
Chris@19:   Variable.variable * Variable.variable -> expr -> Expr.expr * Expr.expr
Chris@19: 
Chris@19: val assign_real : Variable.variable -> expr -> Expr.assignment
Chris@19: val assign_imag : Variable.variable -> expr -> Expr.assignment
Chris@19: val assign :
Chris@19:   Variable.variable * Variable.variable ->
Chris@19:   expr -> Expr.assignment * Expr.assignment
Chris@19: 
Chris@19: val hermitian : int -> (int -> expr) -> int -> expr
Chris@19: val antihermitian : int -> (int -> expr) -> int -> expr