blob: 37c9836e465477ca19047ca3593c298f6a27faa1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
|
// Copyright 2006-2007 Nanorex, Inc. See LICENSE file for details.
/*
Name: interval.h
Author: Oleksandr Shevchenko
Description: class for interval representation
*/
#if !defined(INTERVAL_INCLUDED)
#define INTERVAL_INCLUDED
#include <float.h>
class Interval
{
public:
//------------------------------------------------------------------------
// Constructor
//
// empty Interval
//
inline Interval();
//------------------------------------------------------------------------
// Constructor
//
// Interval(begin,end) constructor
//
inline Interval(
double interval[2]);
//------------------------------------------------------------------------
// Constructor
//
// Interval (begin,end) constructor
//
inline Interval(
double begin,
double end);
//------------------------------------------------------------------------
// Center()
//
// calculate center
//
inline double Center() const;
//------------------------------------------------------------------------
// Contains()
//
// interval contains point
//
inline int Contains(
double point) const;
//------------------------------------------------------------------------
// Empty()
//
// clear interval
//
inline void Empty();
//------------------------------------------------------------------------
// Enclose()
//
// adjust interval
//
inline void Enclose(
double point);
//------------------------------------------------------------------------
// Extent()
//
// calculate extent
//
inline double Extent() const;
//------------------------------------------------------------------------
// Max()
//
// get end of interval
//
inline double Max() const;
//------------------------------------------------------------------------
// Max()
//
// set end of interval
//
inline double & Max();
//------------------------------------------------------------------------
// Min()
//
// get begin of interval
//
inline double Min() const;
//------------------------------------------------------------------------
// Min()
//
// set begin of interval
//
inline double & Min();
//------------------------------------------------------------------------
// Point()
//
// calculate point
//
inline double Point(
double r) const;
private:
//------------------------------------------------------------------------
// mMin
double mMin; // begin of interval
//------------------------------------------------------------------------
// mMax
double mMax; // end of interval
};
//----------------------------------------------------------------------------
// Constructor
inline Interval::Interval():
mMin( // begin of interval
DBL_MAX),
mMax( // end of interval
-DBL_MAX)
{
}
//----------------------------------------------------------------------------
// Constructor
inline Interval::Interval(
double interval[2])
{
mMin = interval[0];
mMax = interval[1];
}
//----------------------------------------------------------------------------
// Constructor
inline Interval::Interval(
double begin,
double end):
mMin( // begin of interval
begin),
mMax( // end of interval
end)
{
}
//----------------------------------------------------------------------------
// Center()
inline double Interval::Center() const
{
return (mMin + mMax)/2;
}
//----------------------------------------------------------------------------
// Contains()
inline int Interval::Contains(
double point) const
{
return (point >= mMin && point <= mMax);
}
//----------------------------------------------------------------------------
// Empty()
inline void Interval::Empty()
{
mMin = DBL_MAX;
mMax = -DBL_MAX;
}
//----------------------------------------------------------------------------
// Enclose()
inline void Interval::Enclose(
double point)
{
if (point < mMin) mMin = point;
if (point > mMax) mMax = point;
}
//----------------------------------------------------------------------------
// Extent()
inline double Interval::Extent() const
{
return (mMax - mMin)/2;
}
//----------------------------------------------------------------------------
// Max()
inline double Interval::Max() const
{
return mMax;
}
//----------------------------------------------------------------------------
// Max()
inline double & Interval::Max()
{
return mMax;
}
//----------------------------------------------------------------------------
// Min()
inline double Interval::Min() const
{
return mMin;
}
//----------------------------------------------------------------------------
// Min()
inline double & Interval::Min()
{
return mMin;
}
//----------------------------------------------------------------------------
// Point()
inline double Interval::Point(
double r) const
{
return (1-r)*mMin + r*mMax;
}
#endif // INTERVAL_INCLUDED
|
