iup-stack/fftw/genfft/complex.mli

69 lines
2.3 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 expr
val make : (Expr.expr * Expr.expr) -> expr
val two : expr
val one : expr
val i : expr
val zero : expr
val half : expr
val inverse_int : int -> expr
val inverse_int_sqrt : int -> expr
val int_sqrt : int -> expr
val times : expr -> expr -> expr
val ctimes : expr -> expr -> expr
val ctimesj : expr -> expr -> expr
val uminus : expr -> expr
val exp : int -> int -> expr
val sec : int -> int -> expr
val csc : int -> int -> expr
val tan : int -> int -> expr
val cot : int -> int -> expr
val plus : expr list -> expr
val real : expr -> expr
val imag : expr -> expr
val conj : expr -> expr
val nan : Expr.transcendent -> expr
val sigma : int -> int -> (int -> expr) -> expr
val (@*) : expr -> expr -> expr
val (@+) : expr -> expr -> expr
val (@-) : expr -> expr -> expr
(* a signal is a map from integers to expressions *)
type signal = int -> expr
val infinite : int -> signal -> signal
val store_real : Variable.variable -> expr -> Expr.expr
val store_imag : Variable.variable -> expr -> Expr.expr
val store :
Variable.variable * Variable.variable -> expr -> Expr.expr * Expr.expr
val assign_real : Variable.variable -> expr -> Expr.assignment
val assign_imag : Variable.variable -> expr -> Expr.assignment
val assign :
Variable.variable * Variable.variable ->
expr -> Expr.assignment * Expr.assignment
val hermitian : int -> (int -> expr) -> int -> expr
val antihermitian : int -> (int -> expr) -> int -> expr