diff src/fftw-3.3.3/genfft/expr.mli @ 10:37bf6b4a2645

Add FFTW3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/fftw-3.3.3/genfft/expr.mli	Wed Mar 20 15:35:50 2013 +0000
@@ -0,0 +1,51 @@
+(*
+ * Copyright (c) 1997-1999 Massachusetts Institute of Technology
+ * Copyright (c) 2003, 2007-11 Matteo Frigo
+ * Copyright (c) 2003, 2007-11 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 transcendent = I | MULTI_A | MULTI_B | CONJ
+
+type expr =
+  | Num of Number.number
+  | NaN of transcendent
+  | Plus of expr list
+  | Times of expr * expr
+  | CTimes of expr * expr
+  | CTimesJ of expr * expr
+  | Uminus of expr
+  | Load of Variable.variable
+  | Store of Variable.variable * expr
+
+type assignment = Assign of Variable.variable * expr
+
+val hash_float : float -> int
+val hash : expr -> int
+val to_string : expr -> string
+val assignment_to_string : assignment -> string
+val transcendent_to_float : transcendent -> float
+val string_of_transcendent : transcendent -> string
+
+val find_vars : expr -> Variable.variable list
+val is_constant : expr -> bool
+val is_known_constant : expr -> bool
+
+val dump : (string -> unit) -> assignment list -> unit
+
+val expr_to_constants : expr -> Number.number list
+val unique_constants : Number.number list -> Number.number list