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Physical unit static analysis tool for C++ +

Project description

## Phriky Units - Physical Unit Inconsistency Detection

Physical unit static analysis tool for <a href=’’>ROS</a> C++.

WINNER: <a href=””>ISSTA 2017 Best Tool Demonstration</a>

<a href=’’>ARTIFACT – Download Virtual Machine with phriky-units pre-installed (Ubuntu 16.04 VM 3 GB .ova).</a>

<a href=”” target=”_blank”><img src=”./.youtube.png” width=”420” alt=”youtbe screenshot for Phriky-Units”></a>

* Free software: MIT license .. *Lightweight static analysis Lightweight static analysis

## Install (tested on Ubuntu 16.04 and OSX 10.12.6)

pip install phriky_units

Requires Cppcheck greater than 1.75:

apt-get install cppcheck (Ubuntu 16.04)

brew install cppcheck (OSX)

git clone git:// (Ubuntu 14.04)


You can run examples by checking out:

git clone

Then from that directory run:

phriky_units ./examples/addition/src/action.cpp

phriky_units ./examples/assignment/src/trajectory_planner_ros.cpp

phriky_units ./examples/comparison/src/twist_marker.cpp


  • Detects physical unit inconsistencies, like adding quantities with different units, i.e. meters + seconds.
  • Lightweight static analysis
  • Path insensitive
  • No annotation burden
  • Low false positive rate (&lt; 15% for `high-confidence’ inconsistencies)
  • Works with [ROS]


[NIMBUS] Lab at the University of Nebraska, Lincoln

This work was supported in part by NSF awards #1638099 and #1526652, and USDA-NIFA #2013-67021-20947.



0.1.0 (2016-08-31)

  • First release on PyPI.

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