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
|
/*
Copyright (C) 1996 John W. Eaton
This file is part of Octave.
Octave 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, or (at your option) any
later version.
Octave 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 Octave; see the file COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#if !defined (octave_FEGrid_h)
#define octave_FEGrid_h 1
#if defined (__GNUG__)
#pragma interface
#endif
class ostream;
#include "dColVector.h"
class
FEGrid
{
public:
FEGrid (void)
: elem () { }
FEGrid (const ColumnVector& elbnds)
: elem (elbnds) { check_grid (); }
FEGrid (int nel, double width);
FEGrid (int nel, double left, double right);
FEGrid (const FEGrid& a)
: elem (a.elem) { }
FEGrid& operator = (const FEGrid& a)
{
if (this != &a)
elem = a.elem;
return *this;
}
~FEGrid (void) { }
int element (double x) const;
double left (void) const { return elem.elem (0); }
double right (void) const { return elem.elem (elem.capacity () - 1); }
int in_bounds (double x) const { return (x >= left () && x <= right ()); }
ColumnVector element_boundaries (void) const { return elem; }
friend ostream& operator << (ostream&, const FEGrid&);
protected:
ColumnVector elem;
private:
void error (const char* msg) const;
void nel_error (void) const;
void check_grid (void) const;
};
#endif
/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/
|
