cannam@167: (*
cannam@167:  * Copyright (c) 1997-1999 Massachusetts Institute of Technology
cannam@167:  * Copyright (c) 2003, 2007-14 Matteo Frigo
cannam@167:  * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
cannam@167:  *
cannam@167:  * This program is free software; you can redistribute it and/or modify
cannam@167:  * it under the terms of the GNU General Public License as published by
cannam@167:  * the Free Software Foundation; either version 2 of the License, or
cannam@167:  * (at your option) any later version.
cannam@167:  *
cannam@167:  * This program is distributed in the hope that it will be useful,
cannam@167:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
cannam@167:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
cannam@167:  * GNU General Public License for more details.
cannam@167:  *
cannam@167:  * You should have received a copy of the GNU General Public License
cannam@167:  * along with this program; if not, write to the Free Software
cannam@167:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
cannam@167:  *
cannam@167:  *)
cannam@167: 
cannam@167: type number
cannam@167: 
cannam@167: val equal : number -> number -> bool
cannam@167: val of_int : int -> number
cannam@167: val zero : number
cannam@167: val one : number
cannam@167: val two : number
cannam@167: val mone : number
cannam@167: val is_zero : number -> bool
cannam@167: val is_one : number -> bool
cannam@167: val is_mone : number -> bool
cannam@167: val is_two : number -> bool
cannam@167: val mul : number -> number -> number
cannam@167: val div : number -> number -> number
cannam@167: val add : number -> number -> number
cannam@167: val sub : number -> number -> number
cannam@167: val negative : number -> bool
cannam@167: val greater : number -> number -> bool
cannam@167: val negate : number -> number
cannam@167: val sqrt : number -> number
cannam@167: 
cannam@167: (* cexp n i = (cos (2 * pi * i / n), sin (2 * pi * i / n)) *)
cannam@167: val cexp : int -> int -> (number * number)
cannam@167: 
cannam@167: val to_konst : number -> string
cannam@167: val to_string : number -> string
cannam@167: val to_float : number -> float
cannam@167: