furnace/extern/fftw/genfft/number.mli

50 lines
1.6 KiB
OCaml

(*
* Copyright (c) 1997-1999 Massachusetts Institute of Technology
* Copyright (c) 2003, 2007-14 Matteo Frigo
* Copyright (c) 2003, 2007-14 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*)
type number
val equal : number -> number -> bool
val of_int : int -> number
val zero : number
val one : number
val two : number
val mone : number
val is_zero : number -> bool
val is_one : number -> bool
val is_mone : number -> bool
val is_two : number -> bool
val mul : number -> number -> number
val div : number -> number -> number
val add : number -> number -> number
val sub : number -> number -> number
val negative : number -> bool
val greater : number -> number -> bool
val negate : number -> number
val sqrt : number -> number
(* cexp n i = (cos (2 * pi * i / n), sin (2 * pi * i / n)) *)
val cexp : int -> int -> (number * number)
val to_konst : number -> string
val to_string : number -> string
val to_float : number -> float