C++

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Filenames

Filenames should be all lowercase and words are separated by underscores ( _ ). For instance:

whole_body_controller.cpp
whole_body_controller.h

Class Names

Class names should be nouns in UpperCamelCase, i.e. the first letter of every word capitalised. Use whole words and avoid acronyms or abbreviations (unless the abbreviation is much more widely used than the long form, such as SVM or ROS).

Function Names

Regular functions have mixed case. The first word (which is usually a verb) starts with lowercase and the remaining words follow the CamelCase practice. For instance:

getEuclideanDistance2d ( double x1 , double y1 , double x2 , double y2 )

Variable Names

Variable names are all lowercase, with underscores between words. Class member variables have trailing underscores. For instance:

double current_velocity_joint_1 = 0 . 0 ; // non member class variable
double current_velocity_joint_1_ = 0 . 0 ; // member class variable