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54 lines
2.1 KiB
54 lines
2.1 KiB
(***************************************************************************
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* Copyright (C) 2004 by Thomas Nagy *
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* tnagy2^8@yahoo.fr *
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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 *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************)
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open Printf;;
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open Chemset;;
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open Datastruct;;
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open Chem;;
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open Hashtbl;;
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let create_equation str =
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let lexbuf = Lexing.from_string str in
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let result = Parser.main Lexer.token lexbuf in
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result
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;;
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exception Not_found;;
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let solve_equation (str:string) =
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let eq = new eqtable in
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try
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eq#build (create_equation str);
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try
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(* eq#print_all (); *)
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solve eq;
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eq#get_eq_sol ();
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with | _ -> begin
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let str = (eq#get_eq_orig ())^" : No solution found" in
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(*cleanup eq;*)
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str
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end
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with | _ -> str^" : Parse Error";
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;;
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let _ = Callback.register "solve_equation" solve_equation;;
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