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|
(***************************************************************************
* Copyright (C) 2004 by Thomas Nagy *
* tnagy2^8@yahoo.fr *
* *
* 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 Printf;;
open Chemset;;
open Datastruct;;
open Chem;;
open Hashtbl;;
let create_equation str =
let lexbuf = Lexing.from_string str in
let result = Parser.main Lexer.token lexbuf in
result
;;
exception Not_found;;
let solve_equation (str:string) =
let eq = new eqtable in
try
eq#build (create_equation str);
try
(* eq#print_all (); *)
solve eq;
eq#get_eq_sol ();
with | _ -> begin
let str = (eq#get_eq_orig ())^" : No solution found" in
(*cleanup eq;*)
str
end
with | _ -> str^" : Parse Error";
;;
let _ = Callback.register "solve_equation" solve_equation;;
|
