forked from VDrift/vdrift
-
Notifications
You must be signed in to change notification settings - Fork 1
/
linearinterp.cpp
86 lines (74 loc) · 2.91 KB
/
linearinterp.cpp
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
/************************************************************************/
/* */
/* This file is part of VDrift. */
/* */
/* VDrift 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 3 of the License, or */
/* (at your option) any later version. */
/* */
/* VDrift 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 VDrift. If not, see <http://www.gnu.org/licenses/>. */
/* */
/************************************************************************/
#include "linearinterp.h"
#include "unittest.h"
QT_TEST(linearinterp_test)
{
{
LinearInterp <float> l;
QT_CHECK_CLOSE(l.Interpolate(1),0,0.0001);
}
{
LinearInterp <float> l(3.1);
QT_CHECK_CLOSE(l.Interpolate(1),3.1,0.0001);
}
{
LinearInterp <float> l;
l.AddPoint(2,1);
QT_CHECK_CLOSE(l.Interpolate(1),1,0.0001);
QT_CHECK_CLOSE(l.Interpolate(2),1,0.0001);
QT_CHECK_CLOSE(l.Interpolate(3),1,0.0001);
}
{
LinearInterp <float> l;
l.AddPoint(2,1);
l.AddPoint(3,2);
l.SetBoundaryMode(LinearInterp<float>::CONSTANTSLOPE);
QT_CHECK_CLOSE(l.Interpolate(1),0,0.0001);
QT_CHECK_CLOSE(l.Interpolate(0),-1,0.0001);
QT_CHECK_CLOSE(l.Interpolate(2.5),1.5,0.0001);
QT_CHECK_CLOSE(l.Interpolate(2.75),1.75,0.0001);
QT_CHECK_CLOSE(l.Interpolate(3),2,0.0001);
QT_CHECK_CLOSE(l.Interpolate(3.5),2.5,0.0001);
}
{
LinearInterp <float> l;
l.AddPoint(2,1);
l.AddPoint(3,2);
QT_CHECK_CLOSE(l.Interpolate(1),1,0.0001);
QT_CHECK_CLOSE(l.Interpolate(0),1,0.0001);
QT_CHECK_CLOSE(l.Interpolate(2.5),1.5,0.0001);
QT_CHECK_CLOSE(l.Interpolate(2.75),1.75,0.0001);
QT_CHECK_CLOSE(l.Interpolate(3),2,0.0001);
QT_CHECK_CLOSE(l.Interpolate(3.5),2,0.0001);
}
{
LinearInterp <float> l;
l.AddPoint(2,1);
l.AddPoint(1,3);
l.AddPoint(3,4);
l.SetBoundaryMode(LinearInterp<float>::CONSTANTSLOPE);
QT_CHECK_CLOSE(l.Interpolate(1),3,0.0001);
QT_CHECK_CLOSE(l.Interpolate(0),5,0.0001);
QT_CHECK_CLOSE(l.Interpolate(-1),7,0.0001);
QT_CHECK_CLOSE(l.Interpolate(2.5),2.5,0.0001);
QT_CHECK_CLOSE(l.Interpolate(3),4,0.0001);
QT_CHECK_CLOSE(l.Interpolate(3.5),5.5,0.0001);
}
}