Chris@82: (*
Chris@82:  * Copyright (c) 1997-1999 Massachusetts Institute of Technology
Chris@82:  * Copyright (c) 2003, 2007-14 Matteo Frigo
Chris@82:  * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
Chris@82:  *
Chris@82:  * This program is free software; you can redistribute it and/or modify
Chris@82:  * it under the terms of the GNU General Public License as published by
Chris@82:  * the Free Software Foundation; either version 2 of the License, or
Chris@82:  * (at your option) any later version.
Chris@82:  *
Chris@82:  * This program is distributed in the hope that it will be useful,
Chris@82:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@82:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Chris@82:  * GNU General Public License for more details.
Chris@82:  *
Chris@82:  * You should have received a copy of the GNU General Public License
Chris@82:  * along with this program; if not, write to the Free Software
Chris@82:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
Chris@82:  *
Chris@82:  *)
Chris@82: 
Chris@82: type expr
Chris@82: val make : (Expr.expr * Expr.expr) -> expr
Chris@82: val two : expr
Chris@82: val one : expr
Chris@82: val i : expr
Chris@82: val zero : expr
Chris@82: val half : expr
Chris@82: val inverse_int : int -> expr
Chris@82: val inverse_int_sqrt : int -> expr
Chris@82: val int_sqrt : int -> expr
Chris@82: val times : expr -> expr -> expr
Chris@82: val ctimes : expr -> expr -> expr
Chris@82: val ctimesj : expr -> expr -> expr
Chris@82: val uminus : expr -> expr
Chris@82: val exp : int -> int -> expr
Chris@82: val sec : int -> int -> expr
Chris@82: val csc : int -> int -> expr
Chris@82: val tan : int -> int -> expr
Chris@82: val cot : int -> int -> expr
Chris@82: val plus : expr list -> expr
Chris@82: val real : expr -> expr
Chris@82: val imag : expr -> expr
Chris@82: val conj : expr -> expr
Chris@82: val nan : Expr.transcendent -> expr
Chris@82: val sigma : int -> int -> (int -> expr) -> expr
Chris@82: 
Chris@82: val (@*) : expr -> expr -> expr
Chris@82: val (@+) : expr -> expr -> expr
Chris@82: val (@-) : expr -> expr -> expr
Chris@82: 
Chris@82: (* a signal is a map from integers to expressions *)
Chris@82: type signal = int -> expr
Chris@82: val infinite : int -> signal -> signal
Chris@82: 
Chris@82: val store_real : Variable.variable -> expr -> Expr.expr
Chris@82: val store_imag : Variable.variable -> expr -> Expr.expr
Chris@82: val store :
Chris@82:   Variable.variable * Variable.variable -> expr -> Expr.expr * Expr.expr
Chris@82: 
Chris@82: val assign_real : Variable.variable -> expr -> Expr.assignment
Chris@82: val assign_imag : Variable.variable -> expr -> Expr.assignment
Chris@82: val assign :
Chris@82:   Variable.variable * Variable.variable ->
Chris@82:   expr -> Expr.assignment * Expr.assignment
Chris@82: 
Chris@82: val hermitian : int -> (int -> expr) -> int -> expr
Chris@82: val antihermitian : int -> (int -> expr) -> int -> expr