Nav2 Navigation Stack - humble  humble
ROS 2 Navigation Stack
costmap_math.hpp
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35  * Author: Eitan Marder-Eppstein
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38 #ifndef NAV2_COSTMAP_2D__COSTMAP_MATH_HPP_
39 #define NAV2_COSTMAP_2D__COSTMAP_MATH_HPP_
40 
41 #include <math.h>
42 #include <algorithm>
43 #include <vector>
44 
45 #include "geometry_msgs/msg/point.hpp"
46 
48 inline double sign(double x)
49 {
50  return x < 0.0 ? -1.0 : 1.0;
51 }
52 
54 inline double sign0(double x)
55 {
56  return x < 0.0 ? -1.0 : (x > 0.0 ? 1.0 : 0.0);
57 }
58 
60 inline double distance(double x0, double y0, double x1, double y1)
61 {
62  return hypot(x1 - x0, y1 - y0);
63 }
64 
66 double distanceToLine(double pX, double pY, double x0, double y0, double x1, double y1);
67 
68 #endif // NAV2_COSTMAP_2D__COSTMAP_MATH_HPP_