src/io/ParamConstraint.hpp

/*
 * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
 *
 * The University of Notre Dame grants you ("Licensee") a
 * non-exclusive, royalty free, license to use, modify and
 * redistribute this software in source and binary code form, provided
 * that the following conditions are met:
 *
 * 1. Acknowledgement of the program authors must be made in any
 *    publication of scientific results based in part on use of the
 *    program.  An acceptable form of acknowledgement is citation of
 *    the article in which the program was described (Matthew
 *    A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher
 *    J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented
 *    Parallel Simulation Engine for Molecular Dynamics,"
 *    J. Comput. Chem. 26, pp. 252-271 (2005))
 *
 * 2. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 3. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the
 *    distribution.
 *
 * This software is provided "AS IS," without a warranty of any
 * kind. All express or implied conditions, representations and
 * warranties, including any implied warranty of merchantability,
 * fitness for a particular purpose or non-infringement, are hereby
 * excluded.  The University of Notre Dame and its licensors shall not
 * be liable for any damages suffered by licensee as a result of
 * using, modifying or distributing the software or its
 * derivatives. In no event will the University of Notre Dame or its
 * licensors be liable for any lost revenue, profit or data, or for
 * direct, indirect, special, consequential, incidental or punitive
 * damages, however caused and regardless of the theory of liability,
 * arising out of the use of or inability to use software, even if the
 * University of Notre Dame has been advised of the possibility of
 * such damages.
 */
 
#ifndef IO_PARAMCONSTRAINT_HPP
#define IO_PARAMCONSTRAINT_HPP

/**
  * This class allows to recognize constraint predicates, so that they can be combined using
  * composition operators. Every constraint predicate must be derived from this class
  */
template<typename Derived>
struct ParamConstraintFacade {
};


struct NonConstraint : public ParamConstraintFacade<NonConstraint>{
    template<typename DataType>
    bool operator()( DataType data ) const {
        return true;
    }
};

struct NotEmptyConstraint : public ParamConstraintFacade<NotEmptyConstraint>{
    bool operator()( const std::string data ) const {
        return !data.empty();
    }
};

struct ZeroConstraint : public ParamConstraintFacade<ZeroConstraint>{
    template<typename DataType>
    bool operator()( DataType data ) const
    {
        return data == 0;
    }
};

struct NotZeroConstraint : public ParamConstraintFacade<NotZeroConstraint>{
    template<typename DataType>
    bool operator()( DataType data ) const
    {
        return data != 0;
    }
};

struct PositiveConstraint : public ParamConstraintFacade<PositiveConstraint>{
    template<typename DataType>
    bool operator()( DataType data ) const
    {
        return data > 0;
    }
};

struct NotPositiveConstraint : public ParamConstraintFacade<NotPositiveConstraint>{
    template<typename DataType>
    bool operator()( DataType data ) const
    {
        return data <= 0;
    }
};
struct NotNegativeConstraint : public ParamConstraintFacade<NotNegativeConstraint>{
    template<typename DataType>
    bool operator()( DataType data ) const
    {
        return data >= 0;
    }
};

struct NegativeConstraint : public ParamConstraintFacade<NegativeConstraint>{
    template<typename DataType>
    bool operator()( DataType data ) const
    {
        return data < 0;
    }
};

struct NotNegativeConstraint : public ParamConstraintFacade<NotNegativeConstraint>{
    template<typename DataType>
    bool operator()( DataType data ) const
    {
        return true;
    }
};

template<typename T>
struct LessThanConstraint : public ParamConstraintFacade<LessThanConstraint> {
    
    LessThanConstraint(T rhs) : rhs_(rhs){}
    template<typename DataType>
    bool operator()( DataType data ) const {
        return data < rhs_; 
    }
    private:
        T rhs_;        
};

template<typename T>
struct LessEqualConstraint : public ParamConstraintFacade<LessEqualConstraint> {
    
    LessEqualConstraint(T rhs) : rhs_(rhs){}
    template<typename DataType>
    bool operator()( DataType data ) const {
        return data <= rhs_; 
    }
    private:
        T rhs_;        
};

template<typename T>
struct EqualConstraint : public ParamConstraintFacade<EqualConstraint> {
    
    EqualConstraint(T rhs) : rhs_(rhs){}
    template<typename DataType>
    bool operator()( DataType data ) const {
        return data == rhs_; 
    }
    private:
        T rhs_;        
};

// class_and composition predicate
template<typename Cons1T, typename Cons2T>
struct AndParamConstraint:
    public ParamConstraintFacade< AndParamConstraint<Cons1T,Cons2T> > {
public:

    AndParamConstraint( Cons1T cons1, Cons2T cons2 ) :
        cons1_(cons1, cons2_(cons2) {}

    template<typename DataType>
    bool operator()( DataType data ) const {
        return cons1_(data) && cons2_(data);
    }

private:
    Cons1T cons1_;
    Cons2T cons2_;
};


template<typename Cons1T, typename Cons2T>
struct OrParamConstraint:
    public ParamConstraintFacade< OrParamConstraint<Cons1T,Cons2T> > {
public:


    OrParamConstraint( Cons1T cons1, Cons2T cons2 ) :
        cons1_(cons1, cons2_(cons2) {}

    template<typename DataType>
    bool operator()( DataType data ) const {
        return cons1_(data) || cons2_(data);
    }

private:
    Cons1T cons1_;
    Cons2T cons2_;
};

template<typename ConsT>
struct NotParamConstraint:
    public ParamConstraintFacade< NotParamConstraint<ConsT> >
{
public:


    NotParamConstraint( ConsT cons) :
        cons_(cons) {}

    template<typename DataType>
    bool operator()( DataType data ) const {
        return !cons_(data);
    }

private:
    ConsT cons_;
};    


template<typename Cons1T, typename Cons2T>
inline AndParamConstraint<Cons1T, Cons2T>
operator &&(const ParamConstraintFacade<Cons1T>& cons1,  const ParamConstraintFacade<Cons2T>& cons2 ) {    

    return AndParamConstraint<Cons1T,Cons2T>(
        *static_cast<const Cons1T*>(&cons1), 
        *static_cast<const Cons2T*>(&cons2) );
}

template<typename Cons1T, typename Cons2T>
inline OrParamConstraint<Cons1T, Cons2T>
operator ||( const ParamConstraintFacade<Cons1T>& cons1, const ParamConstraintFacade<Cons2T>& cons2 ) {    

    return OrParamConstraint<Cons1T,Cons2T>(
        *static_cast<const Cons1T*>(&cons1), 
        *static_cast<const Cons2T*>(&cons2) );
}


template<typename ConsT>
inline NotParamConstraint<ConsT>
operator !( const ParamConstraintFacade<ConsT>& cons ) {

    return NotParamConstraint<ConsT>(*static_cast<const ConsT*>(&cons)); 
}


#endif
Revision:	667
Committed:	Fri Oct 14 14:48:10 2005 UTC (20 years ago) by tim
File size:	7305 byte(s)
Log Message:	Adding Parameter Constraint class
#	User	Rev	Content
1	tim	667	/*
2			* Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
3			*
4			* The University of Notre Dame grants you ("Licensee") a
5			* non-exclusive, royalty free, license to use, modify and
6			* redistribute this software in source and binary code form, provided
7			* that the following conditions are met:
8			*
9			* 1. Acknowledgement of the program authors must be made in any
10			* publication of scientific results based in part on use of the
11			* program. An acceptable form of acknowledgement is citation of
12			* the article in which the program was described (Matthew
13			* A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher
14			* J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented
15			* Parallel Simulation Engine for Molecular Dynamics,"
16			* J. Comput. Chem. 26, pp. 252-271 (2005))
17			*
18			* 2. Redistributions of source code must retain the above copyright
19			* notice, this list of conditions and the following disclaimer.
20			*
21			* 3. Redistributions in binary form must reproduce the above copyright
22			* notice, this list of conditions and the following disclaimer in the
23			* documentation and/or other materials provided with the
24			* distribution.
25			*
26			* This software is provided "AS IS," without a warranty of any
27			* kind. All express or implied conditions, representations and
28			* warranties, including any implied warranty of merchantability,
29			* fitness for a particular purpose or non-infringement, are hereby
30			* excluded. The University of Notre Dame and its licensors shall not
31			* be liable for any damages suffered by licensee as a result of
32			* using, modifying or distributing the software or its
33			* derivatives. In no event will the University of Notre Dame or its
34			* licensors be liable for any lost revenue, profit or data, or for
35			* direct, indirect, special, consequential, incidental or punitive
36			* damages, however caused and regardless of the theory of liability,
37			* arising out of the use of or inability to use software, even if the
38			* University of Notre Dame has been advised of the possibility of
39			* such damages.
40			*/
41
42			#ifndef IO_PARAMCONSTRAINT_HPP
43			#define IO_PARAMCONSTRAINT_HPP
44
45			/**
46			* This class allows to recognize constraint predicates, so that they can be combined using
47			* composition operators. Every constraint predicate must be derived from this class
48			*/
49			template<typename Derived>
50			struct ParamConstraintFacade {
51			};
52
53
54			struct NonConstraint : public ParamConstraintFacade<NonConstraint>{
55			template<typename DataType>
56			bool operator()( DataType data ) const {
57			return true;
58			}
59			};
60
61			struct NotEmptyConstraint : public ParamConstraintFacade<NotEmptyConstraint>{
62			bool operator()( const std::string data ) const {
63			return !data.empty();
64			}
65			};
66
67			struct ZeroConstraint : public ParamConstraintFacade<ZeroConstraint>{
68			template<typename DataType>
69			bool operator()( DataType data ) const
70			{
71			return data == 0;
72			}
73			};
74
75			struct NotZeroConstraint : public ParamConstraintFacade<NotZeroConstraint>{
76			template<typename DataType>
77			bool operator()( DataType data ) const
78			{
79			return data != 0;
80			}
81			};
82
83			struct PositiveConstraint : public ParamConstraintFacade<PositiveConstraint>{
84			template<typename DataType>
85			bool operator()( DataType data ) const
86			{
87			return data > 0;
88			}
89			};
90
91			struct NotPositiveConstraint : public ParamConstraintFacade<NotPositiveConstraint>{
92			template<typename DataType>
93			bool operator()( DataType data ) const
94			{
95			return data <= 0;
96			}
97			};
98			struct NotNegativeConstraint : public ParamConstraintFacade<NotNegativeConstraint>{
99			template<typename DataType>
100			bool operator()( DataType data ) const
101			{
102			return data >= 0;
103			}
104			};
105
106			struct NegativeConstraint : public ParamConstraintFacade<NegativeConstraint>{
107			template<typename DataType>
108			bool operator()( DataType data ) const
109			{
110			return data < 0;
111			}
112			};
113
114			struct NotNegativeConstraint : public ParamConstraintFacade<NotNegativeConstraint>{
115			template<typename DataType>
116			bool operator()( DataType data ) const
117			{
118			return true;
119			}
120			};
121
122			template<typename T>
123			struct LessThanConstraint : public ParamConstraintFacade<LessThanConstraint> {
124
125			LessThanConstraint(T rhs) : rhs_(rhs){}
126			template<typename DataType>
127			bool operator()( DataType data ) const {
128			return data < rhs_;
129			}
130			private:
131			T rhs_;
132			};
133
134			template<typename T>
135			struct LessEqualConstraint : public ParamConstraintFacade<LessEqualConstraint> {
136
137			LessEqualConstraint(T rhs) : rhs_(rhs){}
138			template<typename DataType>
139			bool operator()( DataType data ) const {
140			return data <= rhs_;
141			}
142			private:
143			T rhs_;
144			};
145
146			template<typename T>
147			struct EqualConstraint : public ParamConstraintFacade<EqualConstraint> {
148
149			EqualConstraint(T rhs) : rhs_(rhs){}
150			template<typename DataType>
151			bool operator()( DataType data ) const {
152			return data == rhs_;
153			}
154			private:
155			T rhs_;
156			};
157
158			// class_and composition predicate
159			template<typename Cons1T, typename Cons2T>
160			struct AndParamConstraint:
161			public ParamConstraintFacade< AndParamConstraint<Cons1T,Cons2T> > {
162			public:
163
164			AndParamConstraint( Cons1T cons1, Cons2T cons2 ) :
165			cons1_(cons1, cons2_(cons2) {}
166
167			template<typename DataType>
168			bool operator()( DataType data ) const {
169			return cons1_(data) && cons2_(data);
170			}
171
172			private:
173			Cons1T cons1_;
174			Cons2T cons2_;
175			};
176
177
178
179			template<typename Cons1T, typename Cons2T>
180			struct OrParamConstraint:
181			public ParamConstraintFacade< OrParamConstraint<Cons1T,Cons2T> > {
182			public:
183
184
185			OrParamConstraint( Cons1T cons1, Cons2T cons2 ) :
186			cons1_(cons1, cons2_(cons2) {}
187
188			template<typename DataType>
189			bool operator()( DataType data ) const {
190			return cons1_(data) \|\| cons2_(data);
191			}
192
193			private:
194			Cons1T cons1_;
195			Cons2T cons2_;
196			};
197
198			template<typename ConsT>
199			struct NotParamConstraint:
200			public ParamConstraintFacade< NotParamConstraint<ConsT> >
201			{
202			public:
203
204
205			NotParamConstraint( ConsT cons) :
206			cons_(cons) {}
207
208			template<typename DataType>
209			bool operator()( DataType data ) const {
210			return !cons_(data);
211			}
212
213			private:
214			ConsT cons_;
215			};
216
217
218			template<typename Cons1T, typename Cons2T>
219			inline AndParamConstraint<Cons1T, Cons2T>
220			operator &&(const ParamConstraintFacade<Cons1T>& cons1, const ParamConstraintFacade<Cons2T>& cons2 ) {
221
222			return AndParamConstraint<Cons1T,Cons2T>(
223			static_cast<const Cons1T>(&cons1),
224			static_cast<const Cons2T>(&cons2) );
225			}
226
227			template<typename Cons1T, typename Cons2T>
228			inline OrParamConstraint<Cons1T, Cons2T>
229			operator \|\|( const ParamConstraintFacade<Cons1T>& cons1, const ParamConstraintFacade<Cons2T>& cons2 ) {
230
231			return OrParamConstraint<Cons1T,Cons2T>(
232			static_cast<const Cons1T>(&cons1),
233			static_cast<const Cons2T>(&cons2) );
234			}
235
236
237			template<typename ConsT>
238			inline NotParamConstraint<ConsT>
239			operator !( const ParamConstraintFacade<ConsT>& cons ) {
240
241			return NotParamConstraint<ConsT>(static_cast<const ConsT>(&cons));
242			}
243
244
245
246			#endif