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<h1 id="contributing">Contributing</h1>
<p>If you wish to add a function to any of these libraries or if you plan to add a new library, make sure that you follow the following conventions:</p>
<h2 id="new-functions">New Functions</h2>
<ul>
<li>All functions must be preceded by a markdown documentation header respecting the following format (open the source code of any of the libraries for an example):</li>
</ul>
<pre><code>//-----------------functionName--------------------
// Description
//
// #### Usage
//
// ```
// Usage Example
// ```
//
// Where:
//
// * argument1: argument 1 description
//-------------------------------------------------
</code></pre>
<ul>
<li>Every time a new function is added, the documentation should be updated simply by running <code>make doclib</code>. <!-- TODO --></li>
<li>The environment system (e.g. <code>os.osc</code>) should be used when calling a function declared in another library (see the section on <em>Using the Faust Libraries</em>).</li>
<li>Try to reuse existing functions as much as possible.</li>
<li>If you have any question, send an e-mail to rmichon_at_ccrma_dot_stanford_dot_edu.</li>
</ul>
<h2 id="new-libraries">New Libraries</h2>
<ul>
<li>Any new "standard" library should be declared in <code>stdfaust.lib</code> with its own environment (2 letters - see <code>stdfaust.lib</code>).</li>
<li>Any new "standard" library must be added to <code>generateDoc</code>.</li>
<li>Functions must be organized by sections.</li>
<li>Any new library should at least <code>declare</code> a <code>name</code> and a <code>version</code>.</li>
<li>The comment based markdown documentation of each library must respect the following format (open the source code of any of the libraries for an example):</li>
</ul>
<pre><code>//############### libraryName ##################
// Description
//
// * Section Name 1
// * Section Name 2
// * ...
//
// It should be used using the `[...]` environment:
//
// ```
// [...] = library("libraryName");
// process = [...].functionCall;
// ```
//
// Another option is to import `stdfaust.lib` which already contains the `[...]`
// environment:
//
// ```
// import("stdfaust.lib");
// process = [...].functionCall;
// ```
//##############################################
//================= Section Name ===============
// Description
//==============================================
</code></pre>
<ul>
<li>If you have any question, send an e-mail to rmichon_at_ccrma_dot_stanford_dot_edu.</li>
</ul>
<h2 id="coding-conventions">Coding Conventions</h2>
<p>In order to have a uniformized library system, we established the following conventions (that hopefully will be followed by others when making modifications to them :-) ).</p>
<h3 id="documentation">Documentation</h3>
<ul>
<li>All the functions that we want to be "public" are documented.</li>
<li>We used the <code>faust2md</code> "standards" for each library: <code>//###</code> for main title (library name - equivalent to <code>#</code> in markdown), <code>//===</code> for section declarations (equivalent to <code>##</code> in markdown) and <code>//---</code> for function declarations (equivalent to <code>####</code> in markdown - see <code>basics.lib</code> for an example).</li>
<li>Sections in function documentation should be declared as <code>####</code> markdown title.</li>
<li>Each function documentation provides a "Usage" section (see <code>basics.lib</code>).</li>
</ul>
<h3 id="library-import">Library Import</h3>
<p>To prevent cross-references between libraries we generalized the use of the <code>library("")</code> system for function calls in all the libraries. This means that everytime a function declared in another library is called, the environment corresponding to this library needs to be called too. To make things easier, a <code>stdfaust.lib</code> library was created and is imported by all the libraries:</p>
<pre><code>an = library("analyzers.lib");
ba = library("basics.lib");
co = library("compressors.lib");
de = library("delays.lib");
dm = library("demos.lib");
dx = library("dx7.lib");
en = library("envelopes.lib");
fi = library("filters.lib");
ho = library("hoa.lib");
it = library("interpolators.lib");
ma = library("maths.lib");
mi = library("mi.lib");
ef = library("misceffects.lib");
os = library("oscillators.lib");
no = library("noises.lib");
pf = library("phaflangers.lib");
pm = library("physmodels.lib");
rm = library("reducemaps.lib");
re = library("reverbs.lib");
ro = library("routes.lib");
sp = library("spats.lib");
si = library("signals.lib");
so = library("soundfiles.lib");
sy = library("synths.lib");
ve = library("vaeffects.lib");
wa = library("webaudio.lib");
vl = library("version.lib");
wd = library("wavedigitalfilters.lib");
</code></pre>
<p>For example, if we wanted to use the <code>smooth</code> function which is now declared in <code>signals.lib</code>, we would do the following:</p>
<pre><code>import("stdfaust.lib");
process = si.smooth(0.999);
</code></pre>
<p>This standard is only used within the libraries: nothing prevents coders to still import <code>signals.lib</code> directly and call <code>smooth</code> without <code>ro.</code>, etc. It means symbols and function names defined within a library have to be unique to not collide with symbols of any other libraries. </p>
<h3 id="demo-functions">"Demo" Functions</h3>
<p>"Demo" functions are placed in <code>demos.lib</code> and have a built-in user interface (UI). Their name ends with the <code>_demo</code> suffix. Each of these function have a <code>.dsp</code> file associated to them in the <code>/examples</code> folder.</p>
<p>Any function containing UI elements should be placed in this library and respect these standards.</p>
<h3 id="standard-functions">"Standard" Functions</h3>
<p>"Standard" functions are here to simplify the life of new (or not so new) Faust coders. They are declared in <code>/libraries/doc/standardFunctions.md</code> and allow to point programmers to preferred functions to carry out a specific task. For example, there are many different types of lowpass filters declared in <code>filters.lib</code> and only one of them is considered to be standard, etc.</p></div>
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