70 lines
2.7 KiB
C++
Executable File
70 lines
2.7 KiB
C++
Executable File
/*********************************************************************
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*
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* Software License Agreement (BSD License)
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*
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* Copyright (c) 2008, 2013, Willow Garage, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of Willow Garage, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* Author: Eitan Marder-Eppstein
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* David V. Lu!!
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*********************************************************************/
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#ifndef ROBOT_COSTMAP_2D_COSTMAP_MATH_H_
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#define ROBOT_COSTMAP_2D_COSTMAP_MATH_H_
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#include <math.h>
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#include <algorithm>
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#include <vector>
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#include <robot_geometry_msgs/Point.h>
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/** @brief Return -1 if x < 0, +1 otherwise. */
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inline double sign(double x)
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{
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return x < 0.0 ? -1.0 : 1.0;
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}
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/** @brief Same as sign(x) but returns 0 if x is 0. */
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inline double sign0(double x)
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{
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return x < 0.0 ? -1.0 : (x > 0.0 ? 1.0 : 0.0);
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}
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inline double distance(double x0, double y0, double x1, double y1)
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{
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return hypot(x1 - x0, y1 - y0);
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}
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double distanceToLine(double pX, double pY, double x0, double y0, double x1, double y1);
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bool intersects(std::vector<robot_geometry_msgs::Point>& polygon, float testx, float testy);
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bool intersects(std::vector<robot_geometry_msgs::Point>& polygon1, std::vector<robot_geometry_msgs::Point>& polygon2);
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#endif // ROBOT_COSTMAP_2D_COSTMAP_MATH_H_
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