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43 lines
1.5 KiB
OCaml
43 lines
1.5 KiB
OCaml
(*
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* Copyright (c) 1997-1999 Massachusetts Institute of Technology
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* Copyright (c) 2003, 2007-14 Matteo Frigo
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* Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*)
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open Util
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type color = | RED | BLUE | BLACK | YELLOW
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type dagnode =
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{ assigned: Variable.variable;
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mutable expression: Expr.expr;
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input_variables: Variable.variable list;
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mutable successors: dagnode list;
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mutable predecessors: dagnode list;
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mutable label: int;
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mutable color: color}
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type dag
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val makedag : (Variable.variable * Expr.expr) list -> dag
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val map : (dagnode -> dagnode) -> dag -> dag
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val for_all : dag -> (dagnode -> unit) -> unit
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val to_list : dag -> (dagnode list)
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val bfs : dag -> dagnode -> int -> unit
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val find_node : (dagnode -> bool) -> dag -> dagnode option
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