Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeedu@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 53 insertions, 0 deletions

diff --git a/kalzium/src/solver/calc.ml b/kalzium/src/solver/calc.ml
new file mode 100644
index 00000000..745f7c14
--- /dev/null
+++ b/kalzium/src/solver/calc.ml
@@ -0,0 +1,53 @@
+(***************************************************************************
+ *   Copyright (C) 2004 by Thomas Nagy                                     *
+ *   tnagy2^[email protected]                                                     *
+ *                                                                         *
+ *   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;;
+