math_util.cpp
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29 
31 
32 #include <cmath>
33 
34 namespace swri_math_util
35 {
36  double Round(double value)
37  {
38  return (value > 0.0) ? std::floor(value + 0.5) : std::ceil(value - 0.5);
39  }
40 
41  double ToNearest(double value, double multiple)
42  {
43  if (multiple == 0)
44  {
45  return 0;
46  }
47 
48  return Round(value / multiple) * multiple;
49  }
50 
51  double UpToNearest(double value, double multiple)
52  {
53  if (multiple == 0)
54  {
55  return 0;
56  }
57 
58  return std::ceil(value / multiple) * multiple;
59  }
60 
61  bool IsNear(double v1, double v2, double epsilon)
62  {
63  return std::fabs(v1 - v2) <= epsilon;
64  }
65 
66  double unWrapAngle(double static_angle,
67  double variable_angle,
68  double threshold)
69  {
70  if (std::abs(static_angle - variable_angle) > threshold)
71  {
72  if (variable_angle < static_angle)
73  {
74  variable_angle += swri_math_util::_2pi;
75  }
76  else
77  {
78  variable_angle -= swri_math_util::_2pi;
79  }
80  }
81  return variable_angle;
82  }
83 }
double UpToNearest(double value, double multiple)
Definition: math_util.cpp:51
double unWrapAngle(double static_angle, double variable_angle, double threshold=_pi)
Definition: math_util.cpp:66
double ToNearest(double value, double multiple)
Definition: math_util.cpp:41
bool IsNear(double v1, double v2, double epsilon)
Definition: math_util.cpp:61
double Round(double value)
Definition: math_util.cpp:36
static const long double _2pi
Definition: constants.h:37


swri_math_util
Author(s): Marc Alban
autogenerated on Tue Apr 6 2021 02:50:30