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link Modify overview paragraph to Code design page

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Axel Kohlmeyer
2022-02-26 05:51:11 -05:00
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doc/src/Modify_overview.rst
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Overview
========
The best way to add a new feature to LAMMPS is to find a similar
feature and look at the corresponding source and header files to figure
out what it does. You will need some knowledge of C++ to be able to
understand the high-level structure of LAMMPS and its class
organization, but functions (class methods) that do actual
computations are written in vanilla C-style code and operate on simple
C-style data structures (vectors and arrays).
The best way to add a new feature to LAMMPS is to find a similar feature
and look at the corresponding source and header files to figure out what
it does. You will need some knowledge of C++ to be able to understand
the high-level structure of LAMMPS and its class organization, but
functions (class methods) that do actual computations are mostly written
in C-style code and operate on simple C-style data structures (vectors
and arrays). A high-level overview of the programming style choices in
LAMMPS is :doc:`given elsewhere <Developer_code_design>`.
Most of the new features described on the :doc:`Modify <Modify>` doc
page require you to write a new C++ derived class (except for exceptions