ros2_control - rolling
sinusoid.hpp
1 // Copyright (c) 2009, Willow Garage, Inc.
2 // All rights reserved.
3 //
4 // Software License Agreement (BSD License 2.0)
5 //
6 // Redistribution and use in source and binary forms, with or without
7 // modification, are permitted provided that the following conditions
8 // are met:
9 //
10 // * Redistributions of source code must retain the above copyright
11 // notice, this list of conditions and the following disclaimer.
12 // * Redistributions in binary form must reproduce the above
13 // copyright notice, this list of conditions and the following
14 // disclaimer in the documentation and/or other materials provided
15 // with the distribution.
16 // * Neither the name of the Willow Garage nor the names of its
17 // contributors may be used to endorse or promote products derived
18 // from this software without specific prior written permission.
19 //
20 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23 // FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
24 // COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
25 // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
26 // BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
27 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
28 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
30 // ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 // POSSIBILITY OF SUCH DAMAGE.
32 
35 #ifndef CONTROL_TOOLBOX__SINUSOID_HPP_
36 #define CONTROL_TOOLBOX__SINUSOID_HPP_
37 
38 namespace control_toolbox
39 {
48 class Sinusoid
49 {
50 public:
54  Sinusoid();
55 
64  Sinusoid(double offset, double amplitude, double frequency, double phase);
65 
69  virtual ~Sinusoid();
70 
74  void debug();
75 
84  double update(double time, double & qd, double & qdd);
85 
86 private:
87  double offset_;
88  double amplitude_;
89  double frequency_;
90  double phase_;
91 };
92 
93 } // namespace control_toolbox
94 
95 #endif // CONTROL_TOOLBOX__SINUSOID_HPP_
A basic sine class.
Definition: sinusoid.hpp:49
void debug()
Definition: sinusoid.cpp:63
double update(double time, double &qd, double &qdd)
Gets the value and derivatives of the sinusoid at a given time.
Definition: sinusoid.cpp:51
Sinusoid()
Constructor.
Definition: sinusoid.cpp:49
virtual ~Sinusoid()
Definition: sinusoid.cpp:47
Definition: dither.hpp:46