comparison src/fftw-3.3.5/genfft/dag.mli @ 42:2cd0e3b3e1fd

Current fftw source

+(*
+ * 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
+ *
+ *)
+
+open Util
+
+type color = | RED | BLUE | BLACK | YELLOW
+
+type dagnode = 
+    { assigned: Variable.variable;
+      mutable expression: Expr.expr;
+      input_variables: Variable.variable list;
+      mutable successors: dagnode list;
+      mutable predecessors: dagnode list;
+      mutable label: int;
+      mutable color: color}
+
+type dag
+
+val makedag : (Variable.variable * Expr.expr) list -> dag
+
+val map : (dagnode -> dagnode) -> dag -> dag
+val for_all : dag -> (dagnode -> unit) -> unit
+val to_list : dag -> (dagnode list)
+val bfs : dag -> dagnode -> int -> unit
+val find_node : (dagnode -> bool) -> dag -> dagnode option