home
about
news
download
doc
source
systems
tests
bugs
contact
IMP Reference Guide
2.11.0
The Integrative Modeling Platform
IMP Manual
Reference Guide
Tutorial Index
Modules
Classes
Examples
include
IMP
version 2.11.0
comparison_macros.h
Go to the documentation of this file.
1
/**
2
* \file IMP/comparison_macros.h
3
* \brief Various general useful macros for IMP.
4
*
5
* Copyright 2007-2019 IMP Inventors. All rights reserved.
6
*
7
*/
8
9
#ifndef IMPKERNEL_COMPARISON_MACROS_H
10
#define IMPKERNEL_COMPARISON_MACROS_H
11
#include <IMP/kernel_config.h>
12
#include "
warning_macros.h
"
13
14
#if defined(IMP_DOXYGEN)
15
/** \name Comparisons
16
Helper macros for implementing comparisons in terms of
17
either member variables or a member compare function.
18
All of the <,>,== etc are implemented for both C++
19
and Python.
20
@{
21
*/
22
23
//! Implement comparison in a class using a compare function
24
/** The compare function should take a const Name & and return -1, 0, 1 as
25
appropriate.
26
*/
27
#define IMP_COMPARISONS(Name)
28
29
//! Implement comparison in a class using field as the variable to compare
30
/** \param[in] Name the name of the class
31
\param[in] field the first field to compare on
32
*/
33
#define IMP_COMPARISONS_1(Name, field)
34
35
//! Implement comparison in a class using field as the variable to compare
36
/** \param[in] Name the name of the class
37
\param[in] f0 the first field to compare on
38
\param[in] f1 the second field to compare on
39
*/
40
#define IMP_COMPARISONS_2(Name, f0, f1)
41
42
//! Implement comparison in a class using field as the variable to compare
43
/** \param[in] Name the name of the class
44
\param[in] f0 the first field to compare on
45
\param[in] f1 the second field to compare on
46
\param[in] f2 the third field to compare on
47
*/
48
#define IMP_COMPARISONS_3(Name, f0, f1, f2)
49
/** @} */
50
#elif defined(SWIG)
51
#define IMP_SWIG_COMPARISONS(Name) \
52
int __cmp__(const Name& o) const; \
53
bool __eq__(const Name& o) const; \
54
bool __ne__(const Name& o) const; \
55
bool __lt__(const Name& o) const; \
56
bool __gt__(const Name& o) const; \
57
bool __ge__(const Name& o) const; \
58
bool __le__(const Name& o) const
59
60
#define IMP_COMPARISONS(Name) IMP_SWIG_COMPARISONS(Name)
61
62
#define IMP_COMPARISONS_1(Name, field) IMP_SWIG_COMPARISONS(Name)
63
64
#define IMP_COMPARISONS_2(Name, f0, f1) IMP_SWIG_COMPARISONS(Name)
65
66
#define IMP_COMPARISONS_3(Name, f0, f1, f2) IMP_SWIG_COMPARISONS(Name)
67
68
#else // not doxygen
69
#define IMP_SWIG_COMPARISONS(Name) \
70
IMP_HELPER_MACRO_PUSH_WARNINGS bool __eq__(const Name& o) const { \
71
return operator==(o); \
72
} \
73
bool __ne__(const Name& o) const { return operator!=(o); } \
74
bool __lt__(const Name& o) const { return operator<(o); } \
75
bool __gt__(const Name& o) const { return operator>(o); } \
76
bool __ge__(const Name& o) const { return operator>=(o); } \
77
bool __le__(const Name& o) const { return operator<=(o); } \
78
int __cmp__(const Name& o) const { return compare(o); } \
79
IMP_HELPER_MACRO_POP_WARNINGS IMP_REQUIRE_SEMICOLON_CLASS(comparisons)
80
81
#define IMP_COMPARISONS(Name) \
82
IMP_SWIG_COMPARISONS(Name); \
83
IMP_HELPER_MACRO_PUSH_WARNINGS bool operator==(const Name& o) const { \
84
return (Name::compare(o) == 0); \
85
} \
86
bool operator!=(const Name& o) const { return (Name::compare(o) != 0); } \
87
bool operator<(const Name& o) const { return (Name::compare(o) < 0); } \
88
bool operator>(const Name& o) const { return (compare(o) > 0); } \
89
bool operator>=(const Name& o) const { return !(Name::compare(o) < 0); } \
90
bool operator<=(const Name& o) const { return !(Name::compare(o) > 0); } \
91
IMP_HELPER_MACRO_POP_WARNINGS template <class T> \
92
friend int compare(const T& a, const T& b)
93
94
#define IMP_COMPARISONS_1(Name, field) \
95
IMP_SWIG_COMPARISONS(Name); \
96
IMP_HELPER_MACRO_PUSH_WARNINGS bool operator==(const Name& o) const { \
97
return (field == o.field); \
98
} \
99
bool operator!=(const Name& o) const { return (field != o.field); } \
100
bool operator<(const Name& o) const { return (field < o.field); } \
101
bool operator>(const Name& o) const { return (field > o.field); } \
102
bool operator>=(const Name& o) const { return (field >= o.field); } \
103
bool operator<=(const Name& o) const { return (field <= o.field); } \
104
int compare(const Name& o) const { \
105
if (operator<(o)) \
106
return -1; \
107
else if (operator>(o)) \
108
return 1; \
109
else \
110
return 0; \
111
} \
112
IMP_HELPER_MACRO_POP_WARNINGS
113
114
#define IMP_COMPARISONS_2(Name, f0, f1) \
115
IMP_SWIG_COMPARISONS(Name); \
116
IMP_HELPER_MACRO_PUSH_WARNINGS bool operator==(const Name& o) const { \
117
return (f0 == o.f0 && f1 == o.f1); \
118
} \
119
bool operator!=(const Name& o) const { return (f0 != o.f0 || f1 != o.f1); } \
120
bool operator<(const Name& o) const { \
121
if (f0 < o.f0) \
122
return true; \
123
else if (f0 > o.f0) \
124
return false; \
125
else \
126
return f1 < o.f1; \
127
} \
128
bool operator>(const Name& o) const { \
129
if (f0 > o.f0) \
130
return true; \
131
else if (f0 < o.f0) \
132
return false; \
133
else \
134
return f1 > o.f1; \
135
} \
136
bool operator>=(const Name& o) const { return operator>(o) || operator==( \
137
o); } \
138
bool operator<=(const Name& o) const { return operator<(o) || operator==( \
139
o); } \
140
int compare(const Name& o) const { \
141
if (operator<(o)) \
142
return -1; \
143
else if (operator>(o)) \
144
return 1; \
145
else \
146
return 0; \
147
} \
148
IMP_HELPER_MACRO_POP_WARNINGS
149
150
#define IMP_COMPARISONS_3(Name, f0, f1, f2) \
151
IMP_SWIG_COMPARISONS(Name); \
152
IMP_HELPER_MACRO_PUSH_WARNINGS bool operator==(const Name& o) const { \
153
return (f0 == o.f0 && f1 == o.f1 && f2 == o.f2); \
154
} \
155
bool operator!=(const Name& o) const { \
156
return (f0 != o.f0 || f1 != o.f1 || f2 != o.f2); \
157
} \
158
bool operator<(const Name& o) const { \
159
if (f0 < o.f0) \
160
return true; \
161
else if (f0 > o.f0) \
162
return false; \
163
if (f1 < o.f1) \
164
return true; \
165
else if (f1 > o.f1) \
166
return false; \
167
else \
168
return f2 < o.f2; \
169
} \
170
bool operator>(const Name& o) const { \
171
if (f0 > o.f0) \
172
return true; \
173
else if (f0 < o.f0) \
174
return false; \
175
if (f1 > o.f1) \
176
return true; \
177
else if (f1 < o.f1) \
178
return false; \
179
else \
180
return f2 > o.f2; \
181
} \
182
bool operator>=(const Name& o) const { return operator>(o) || operator==( \
183
o); } \
184
bool operator<=(const Name& o) const { return operator<(o) || operator==( \
185
o); } \
186
int compare(const Name& o) const { \
187
if (operator<(o)) \
188
return -1; \
189
else if (operator>(o)) \
190
return 1; \
191
else \
192
return 0; \
193
} \
194
IMP_HELPER_MACRO_POP_WARNINGS
195
#endif
196
197
#ifdef SWIG
198
#define IMP_SAFE_BOOL(Name, expr)
199
#else
200
/** Implement the safe bool idiom in a class. The expression must
201
evaluate to a boolean.
202
*/
203
#define IMP_SAFE_BOOL(Name, expr) \
204
private: \
205
typedef void (Name::*bool_type)() const; \
206
void this_type_does_not_support_comparisons() const {} \
207
\
208
public: \
209
operator bool_type() const { \
210
return (expr) ? &Name::this_type_does_not_support_comparisons : 0; \
211
}
212
213
#endif
214
215
/** Compare one value and return -1 or 1 as appropriate. If they are
216
equal, control returns to the current scope.
217
*/
218
#define IMP_COMPARE_ONE(vara, varb) \
219
if (vara < varb) \
220
return -1; \
221
else if (varb < vara) \
222
return 1
223
224
#endif
/* IMPKERNEL_COMPARISON_MACROS_H */
warning_macros.h
Various general useful macros for IMP.
