Files
allwpilib/wpilibc/src/main/native/include/CircularBuffer.h
Thad House e1195e8b9d Update to 2018_v4 image and new build system. (#598)
* Revert "Force OpenCV to 3.1.0 (#602)"

This reverts commit 50ed55e8e2.

* Removes Simulation

* Removes old build system

* Removes old gtest

* Adds new gmock and gtest

* Updates to new ni-libraries

* removes MyRobot (to be replaced)

* moves files to new location

* Adds new sim backend and new test executables

* updates .styleguide and .gitignore

* Changes cpp WPILibVersion to a function

MSVC throws an AV with the old version.

* Disables USBCamera on all systems except for linux

* 2018 NI Libraries

* New build system
2017-08-18 21:35:53 -07:00

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1.2 KiB
C++

/*----------------------------------------------------------------------------*/
/* Copyright (c) FIRST 2015-2017. All Rights Reserved. */
/* Open Source Software - may be modified and shared by FRC teams. The code */
/* must be accompanied by the FIRST BSD license file in the root directory of */
/* the project. */
/*----------------------------------------------------------------------------*/
#pragma once
#include <cstddef>
#include <vector>
namespace frc {
/**
* This is a simple circular buffer so we don't need to "bucket brigade" copy
* old values.
*/
template <class T>
class CircularBuffer {
public:
explicit CircularBuffer(size_t size);
void PushFront(T value);
void PushBack(T value);
T PopFront();
T PopBack();
void Resize(size_t size);
void Reset();
T& operator[](size_t index);
const T& operator[](size_t index) const;
private:
std::vector<T> m_data;
// Index of element at front of buffer
size_t m_front = 0;
// Number of elements used in buffer
size_t m_length = 0;
size_t ModuloInc(size_t index);
size_t ModuloDec(size_t index);
};
} // namespace frc
#include "CircularBuffer.inc"