Clover Coverage Report
Coverage timestamp: Sat Sep 18 2010 04:09:52 UTC
Overview   Package   File
    FRAMES   NO FRAMES     
../../../../../img/srcFileCovDistChart0.png 89% of files have more coverage
12   71   9   6
8   30   0.75   2
2     4.5  
1    
 
  LogicalEquivalence       Line # 32 12 9 0% 0.0
 
No Tests
 
1    /* This file is part of the project "Hilbert II" - http://www.qedeq.org
2    *
3    * Copyright 2000-2010, Michael Meyling <mime@qedeq.org>.
4    *
5    * "Hilbert II" is free software; you can redistribute
6    * it and/or modify it under the terms of the GNU General Public
7    * License as published by the Free Software Foundation; either
8    * version 2 of the License, or (at your option) any later version.
9    *
10    * This program is distributed in the hope that it will be useful,
11    * but WITHOUT ANY WARRANTY; without even the implied warranty of
12    * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13    * GNU General Public License for more details.
14    */
15   
16    package org.qedeq.kernel.bo.logic;
17   
18    import org.qedeq.kernel.base.list.Element;
19    import org.qedeq.kernel.bo.logic.wf.FormulaCheckException;
20    import org.qedeq.kernel.bo.logic.wf.LogicalCheckException;
21    import org.qedeq.kernel.bo.logic.wf.Operators;
22   
23   
24    /**
25    * This class deals with {@link org.qedeq.kernel.base.list.Element}s and could check
26    * if two formulas are logically equivalent.
27    *
28    * LATER mime 20050205: work in progress
29    *
30    * @author Michael Meyling
31    */
 
32    public final class LogicalEquivalence {
33   
34    /**
35    * Constructor.
36    */
 
37  0 toggle private LogicalEquivalence() {
38    // nothing to do
39    }
40   
41    /**
42    * Assures that two words are logically equivalent.
43    *
44    * @param formula1 First formula.
45    * @param formula2 Second formula.
46    * @throws LogicalCheckException Check failed.
47    */
 
48  0 toggle public static final void checkEquivalence(final Element formula1,
49    final Element formula2)
50    throws LogicalCheckException {
51  0 if (formula1.equals(formula2)) {
52  0 return;
53    }
54  0 if (formula1.isAtom() || formula2.isAtom()) {
55  0 return; // LATER mime 20050330: where is the check???
56    }
57  0 final String op1 = formula1.getList().getOperator();
58  0 final String op2 = formula2.getList().getOperator();
59  0 if (op1.equals(op2) && (op1.equals(Operators.CONJUNCTION_OPERATOR)
60    || op1.equals(Operators.DISJUNCTION_OPERATOR))) {
61  0 final EqualFormulaSet sub1 = new EqualFormulaSet(formula1.getList());
62  0 final EqualFormulaSet sub2 = new EqualFormulaSet(formula2.getList());
63  0 if (sub1.equals(sub2)) {
64  0 return;
65    }
66   
67    }
68  0 throw new FormulaCheckException(61, "no logical equivalence found", formula2, null);
69    }
70   
71    }
 
CloverReport generated by Clover Code Coverage v2.3.1
Sat Sep 18 2010 04:09:52 UTC.		   Clover: Open Source License registered to qedeq.org .