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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Documentation</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<base href="../">
<link rel="icon" href="images/favicon.ico"/>
<link rel="stylesheet" href="css/normalize.css">
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<a href="namespaces/yxorp-plugin.html" class="">plugin</a>
</li>
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<h4 class="phpdocumentor-sidebar__root-namespace">
<a href="namespaces/phpdocumentormarkdown.html" class="">PhpDocumentorMarkdown</a>
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<li>
<a href="namespaces/phpdocumentormarkdown-example.html" class="">Example</a>
</li>
<li>
<a href="namespaces/phpdocumentormarkdown-extension.html" class="">Extension</a>
</li>
</ul>
</section>
<section class="phpdocumentor-sidebar__category">
<h2 class="phpdocumentor-sidebar__category-header">Packages</h2>
<h4 class="phpdocumentor-sidebar__root-namespace">
<a href="packages/Application.html" class="">Application</a>
</h4>
<h4 class="phpdocumentor-sidebar__root-namespace">
<a href="packages/Lime.html" class="">Lime</a>
</h4>
<ul class="phpdocumentor-list">
<li>
<a href="packages/Lime-Helper.html" class="">Helper</a>
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<h4 class="phpdocumentor-sidebar__root-namespace">
<a href="packages/Authentication.html" class="">Authentication</a>
</h4>
<ul class="phpdocumentor-list">
<li>
<a href="packages/Authentication-JWT.html" class="">JWT</a>
</li>
</ul>
<h4 class="phpdocumentor-sidebar__root-namespace">
<a href="packages/PHPMailer.html" class="">PHPMailer</a>
</h4>
<h4 class="phpdocumentor-sidebar__root-namespace">
<a href="packages/PHPMailerSomeFrenchpunctuationrequiresathinnon.html" class="">PHPMailerSomeFrenchpunctuationrequiresathinnon</a>
</h4>
<ul class="phpdocumentor-list">
<li>
<a href="packages/PHPMailerSomeFrenchpunctuationrequiresathinnon-breakingspaceU202Fcharacterbeforeitforexamplebeforeacolonorexclamationmark.html" class="">breakingspaceU202Fcharacterbeforeitforexamplebeforeacolonorexclamationmark</a>
</li>
</ul>
<h4 class="phpdocumentor-sidebar__root-namespace">
<a href="packages/App.html" class="">App</a>
</h4>
<h4 class="phpdocumentor-sidebar__root-namespace">
<a href="packages/enshrined.html" class="">enshrined</a>
</h4>
<ul class="phpdocumentor-list">
<li>
<a href="packages/enshrined-svgSanitize.html" class="">svgSanitize</a>
</li>
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</section>
<section class="phpdocumentor-sidebar__category">
<h2 class="phpdocumentor-sidebar__category-header">Reports</h2>
<h3 class="phpdocumentor-sidebar__root-package"><a href="reports/deprecated.html">Deprecated</a></h3>
<h3 class="phpdocumentor-sidebar__root-package"><a href="reports/errors.html">Errors</a></h3>
<h3 class="phpdocumentor-sidebar__root-package"><a href="reports/markers.html">Markers</a></h3>
</section>
<section class="phpdocumentor-sidebar__category">
<h2 class="phpdocumentor-sidebar__category-header">Indices</h2>
<h3 class="phpdocumentor-sidebar__root-package"><a href="indices/files.html">Files</a></h3>
</section>
</aside>
<div class="phpdocumentor-column -eight phpdocumentor-content">
<ul class="phpdocumentor-breadcrumbs">
<li class="phpdocumentor-breadcrumb"><a href="namespaces/baconqrcode.html">BaconQrCode</a></li>
<li class="phpdocumentor-breadcrumb"><a href="namespaces/baconqrcode-common.html">Common</a></li>
</ul>
<article class="phpdocumentor-element -class">
<h2 class="phpdocumentor-content__title">
ReedSolomonCodec
<div class="phpdocumentor-element__package">
in package
<ul class="phpdocumentor-breadcrumbs">
<li class="phpdocumentor-breadcrumb"><a href="packages/Application.html">Application</a></li>
</ul>
</div>
</h2>
<aside class="phpdocumentor-element-found-in">
<abbr class="phpdocumentor-element-found-in__file" title="lib/vendor/bacon/bacon-qr-code/src/Common/ReedSolomonCodec.php"><a href="files/app-lib-vendor-bacon-bacon-qr-code-src-common-reedsolomoncodec.html"><abbr title="lib/vendor/bacon/bacon-qr-code/src/Common/ReedSolomonCodec.php">ReedSolomonCodec.php</abbr></a></abbr>
:
<span class="phpdocumentor-element-found-in__line">15</span>
</aside>
<p class="phpdocumentor-summary">Reed-Solomon codec for 8-bit characters.</p>
<section class="phpdocumentor-description"><p>Based on libfec by Phil Karn, KA9Q.</p>
</section>
<h3 id="toc">
Table of Contents
<a href="#toc" class="headerlink"><i class="fas fa-link"></i></a>
</h3>
<dl class="phpdocumentor-table-of-contents">
<dt class="phpdocumentor-table-of-contents__entry -property -private">
<a href="classes/BaconQrCode-Common-ReedSolomonCodec.html#property_alphaTo">$alphaTo</a>
<span>
: <abbr title="\SplFixedArray">SplFixedArray</abbr> </span>
</dt>
<dd>Log lookup table.</dd>
<dt class="phpdocumentor-table-of-contents__entry -property -private">
<a href="classes/BaconQrCode-Common-ReedSolomonCodec.html#property_blockSize">$blockSize</a>
<span>
: int </span>
</dt>
<dd>Block size in symbols.</dd>
<dt class="phpdocumentor-table-of-contents__entry -property -private">
<a href="classes/BaconQrCode-Common-ReedSolomonCodec.html#property_firstRoot">$firstRoot</a>
<span>
: int </span>
</dt>
<dd>First root of RS code generator polynomial, index form.</dd>
<dt class="phpdocumentor-table-of-contents__entry -property -private">
<a href="classes/BaconQrCode-Common-ReedSolomonCodec.html#property_generatorPoly">$generatorPoly</a>
<span>
: <abbr title="\SplFixedArray">SplFixedArray</abbr> </span>
</dt>
<dd>Generator polynomial.</dd>
<dt class="phpdocumentor-table-of-contents__entry -property -private">
<a href="classes/BaconQrCode-Common-ReedSolomonCodec.html#property_indexOf">$indexOf</a>
<span>
: <abbr title="\SplFixedArray">SplFixedArray</abbr> </span>
</dt>
<dd>Anti-Log lookup table.</dd>
<dt class="phpdocumentor-table-of-contents__entry -property -private">
<a href="classes/BaconQrCode-Common-ReedSolomonCodec.html#property_iPrimitive">$iPrimitive</a>
<span>
: int </span>
</dt>
<dd>Prim-th root of 1, index form.</dd>
<dt class="phpdocumentor-table-of-contents__entry -property -private">
<a href="classes/BaconQrCode-Common-ReedSolomonCodec.html#property_numRoots">$numRoots</a>
<span>
: int </span>
</dt>
<dd>RS code generator polynomial degree (number of roots).</dd>
<dt class="phpdocumentor-table-of-contents__entry -property -private">
<a href="classes/BaconQrCode-Common-ReedSolomonCodec.html#property_padding">$padding</a>
<span>
: int </span>
</dt>
<dd>Padding bytes at front of shortened block.</dd>
<dt class="phpdocumentor-table-of-contents__entry -property -private">
<a href="classes/BaconQrCode-Common-ReedSolomonCodec.html#property_primitive">$primitive</a>
<span>
: int </span>
</dt>
<dd>Primitive element to generate polynomial roots, index form.</dd>
<dt class="phpdocumentor-table-of-contents__entry -property -private">
<a href="classes/BaconQrCode-Common-ReedSolomonCodec.html#property_symbolSize">$symbolSize</a>
<span>
: int </span>
</dt>
<dd>Symbol size in bits.</dd>
<dt class="phpdocumentor-table-of-contents__entry -method -public">
<a href="classes/BaconQrCode-Common-ReedSolomonCodec.html#method___construct">__construct()</a>
<span>
: mixed </span>
</dt>
<dd></dd>
<dt class="phpdocumentor-table-of-contents__entry -method -public">
<a href="classes/BaconQrCode-Common-ReedSolomonCodec.html#method_decode">decode()</a>
<span>
: int|null </span>
</dt>
<dd>Decodes received data.</dd>
<dt class="phpdocumentor-table-of-contents__entry -method -public">
<a href="classes/BaconQrCode-Common-ReedSolomonCodec.html#method_encode">encode()</a>
<span>
: void </span>
</dt>
<dd>Encodes data and writes result back into parity array.</dd>
<dt class="phpdocumentor-table-of-contents__entry -method -private">
<a href="classes/BaconQrCode-Common-ReedSolomonCodec.html#method_modNn">modNn()</a>
<span>
: int </span>
</dt>
<dd>Computes $x % GF_SIZE, where GF_SIZE is 2**GF_BITS - 1, without a slow divide.</dd>
</dl>
<section class="phpdocumentor-properties">
<h3 class="phpdocumentor-elements__header" id="properties">
Properties
<a href="classes/BaconQrCode-Common-ReedSolomonCodec.html#properties" class="headerlink"><i class="fas fa-link"></i></a>
</h3>
<article
class="
phpdocumentor-element
-property
-private
"
>
<h4 class="phpdocumentor-element__name" id="property_alphaTo">
$alphaTo
<a href="classes/BaconQrCode-Common-ReedSolomonCodec.html#property_alphaTo" class="headerlink"><i class="fas fa-link"></i></a>
<span class="phpdocumentor-element__modifiers">
</span>
</h4>
<aside class="phpdocumentor-element-found-in">
<abbr class="phpdocumentor-element-found-in__file" title="lib/vendor/bacon/bacon-qr-code/src/Common/ReedSolomonCodec.php"><a href="files/app-lib-vendor-bacon-bacon-qr-code-src-common-reedsolomoncodec.html"><abbr title="lib/vendor/bacon/bacon-qr-code/src/Common/ReedSolomonCodec.php">ReedSolomonCodec.php</abbr></a></abbr>
:
<span class="phpdocumentor-element-found-in__line">71</span>
</aside>
<p class="phpdocumentor-summary">Log lookup table.</p>
<code class="phpdocumentor-code phpdocumentor-signature ">
<span class="phpdocumentor-signature__visibility">private</span>
<span class="phpdocumentor-signature__type"><abbr title="\SplFixedArray">SplFixedArray</abbr></span>
<span class="phpdocumentor-signature__name">$alphaTo</span>
</code>
</article>
<article
class="
phpdocumentor-element
-property
-private
"
>
<h4 class="phpdocumentor-element__name" id="property_blockSize">
$blockSize
<a href="classes/BaconQrCode-Common-ReedSolomonCodec.html#property_blockSize" class="headerlink"><i class="fas fa-link"></i></a>
<span class="phpdocumentor-element__modifiers">
</span>
</h4>
<aside class="phpdocumentor-element-found-in">
<abbr class="phpdocumentor-element-found-in__file" title="lib/vendor/bacon/bacon-qr-code/src/Common/ReedSolomonCodec.php"><a href="files/app-lib-vendor-bacon-bacon-qr-code-src-common-reedsolomoncodec.html"><abbr title="lib/vendor/bacon/bacon-qr-code/src/Common/ReedSolomonCodec.php">ReedSolomonCodec.php</abbr></a></abbr>
:
<span class="phpdocumentor-element-found-in__line">29</span>
</aside>
<p class="phpdocumentor-summary">Block size in symbols.</p>
<code class="phpdocumentor-code phpdocumentor-signature ">
<span class="phpdocumentor-signature__visibility">private</span>
<span class="phpdocumentor-signature__type">int</span>
<span class="phpdocumentor-signature__name">$blockSize</span>
</code>
</article>
<article
class="
phpdocumentor-element
-property
-private
"
>
<h4 class="phpdocumentor-element__name" id="property_firstRoot">
$firstRoot
<a href="classes/BaconQrCode-Common-ReedSolomonCodec.html#property_firstRoot" class="headerlink"><i class="fas fa-link"></i></a>
<span class="phpdocumentor-element__modifiers">
</span>
</h4>
<aside class="phpdocumentor-element-found-in">
<abbr class="phpdocumentor-element-found-in__file" title="lib/vendor/bacon/bacon-qr-code/src/Common/ReedSolomonCodec.php"><a href="files/app-lib-vendor-bacon-bacon-qr-code-src-common-reedsolomoncodec.html"><abbr title="lib/vendor/bacon/bacon-qr-code/src/Common/ReedSolomonCodec.php">ReedSolomonCodec.php</abbr></a></abbr>
:
<span class="phpdocumentor-element-found-in__line">36</span>
</aside>
<p class="phpdocumentor-summary">First root of RS code generator polynomial, index form.</p>
<code class="phpdocumentor-code phpdocumentor-signature ">
<span class="phpdocumentor-signature__visibility">private</span>
<span class="phpdocumentor-signature__type">int</span>
<span class="phpdocumentor-signature__name">$firstRoot</span>
</code>
</article>
<article
class="
phpdocumentor-element
-property
-private
"
>
<h4 class="phpdocumentor-element__name" id="property_generatorPoly">
$generatorPoly
<a href="classes/BaconQrCode-Common-ReedSolomonCodec.html#property_generatorPoly" class="headerlink"><i class="fas fa-link"></i></a>
<span class="phpdocumentor-element__modifiers">
</span>
</h4>
<aside class="phpdocumentor-element-found-in">
<abbr class="phpdocumentor-element-found-in__file" title="lib/vendor/bacon/bacon-qr-code/src/Common/ReedSolomonCodec.php"><a href="files/app-lib-vendor-bacon-bacon-qr-code-src-common-reedsolomoncodec.html"><abbr title="lib/vendor/bacon/bacon-qr-code/src/Common/ReedSolomonCodec.php">ReedSolomonCodec.php</abbr></a></abbr>
:
<span class="phpdocumentor-element-found-in__line">85</span>
</aside>
<p class="phpdocumentor-summary">Generator polynomial.</p>
<code class="phpdocumentor-code phpdocumentor-signature ">
<span class="phpdocumentor-signature__visibility">private</span>
<span class="phpdocumentor-signature__type"><abbr title="\SplFixedArray">SplFixedArray</abbr></span>
<span class="phpdocumentor-signature__name">$generatorPoly</span>
</code>
</article>
<article
class="
phpdocumentor-element
-property
-private
"
>
<h4 class="phpdocumentor-element__name" id="property_indexOf">
$indexOf
<a href="classes/BaconQrCode-Common-ReedSolomonCodec.html#property_indexOf" class="headerlink"><i class="fas fa-link"></i></a>
<span class="phpdocumentor-element__modifiers">
</span>
</h4>
<aside class="phpdocumentor-element-found-in">
<abbr class="phpdocumentor-element-found-in__file" title="lib/vendor/bacon/bacon-qr-code/src/Common/ReedSolomonCodec.php"><a href="files/app-lib-vendor-bacon-bacon-qr-code-src-common-reedsolomoncodec.html"><abbr title="lib/vendor/bacon/bacon-qr-code/src/Common/ReedSolomonCodec.php">ReedSolomonCodec.php</abbr></a></abbr>
:
<span class="phpdocumentor-element-found-in__line">78</span>
</aside>
<p class="phpdocumentor-summary">Anti-Log lookup table.</p>
<code class="phpdocumentor-code phpdocumentor-signature ">
<span class="phpdocumentor-signature__visibility">private</span>
<span class="phpdocumentor-signature__type"><abbr title="\SplFixedArray">SplFixedArray</abbr></span>
<span class="phpdocumentor-signature__name">$indexOf</span>
</code>
</article>
<article
class="
phpdocumentor-element
-property
-private
"
>
<h4 class="phpdocumentor-element__name" id="property_iPrimitive">
$iPrimitive
<a href="classes/BaconQrCode-Common-ReedSolomonCodec.html#property_iPrimitive" class="headerlink"><i class="fas fa-link"></i></a>
<span class="phpdocumentor-element__modifiers">
</span>
</h4>
<aside class="phpdocumentor-element-found-in">
<abbr class="phpdocumentor-element-found-in__file" title="lib/vendor/bacon/bacon-qr-code/src/Common/ReedSolomonCodec.php"><a href="files/app-lib-vendor-bacon-bacon-qr-code-src-common-reedsolomoncodec.html"><abbr title="lib/vendor/bacon/bacon-qr-code/src/Common/ReedSolomonCodec.php">ReedSolomonCodec.php</abbr></a></abbr>
:
<span class="phpdocumentor-element-found-in__line">50</span>
</aside>
<p class="phpdocumentor-summary">Prim-th root of 1, index form.</p>
<code class="phpdocumentor-code phpdocumentor-signature ">
<span class="phpdocumentor-signature__visibility">private</span>
<span class="phpdocumentor-signature__type">int</span>
<span class="phpdocumentor-signature__name">$iPrimitive</span>
</code>
</article>
<article
class="
phpdocumentor-element
-property
-private
"
>
<h4 class="phpdocumentor-element__name" id="property_numRoots">
$numRoots
<a href="classes/BaconQrCode-Common-ReedSolomonCodec.html#property_numRoots" class="headerlink"><i class="fas fa-link"></i></a>
<span class="phpdocumentor-element__modifiers">
</span>
</h4>
<aside class="phpdocumentor-element-found-in">
<abbr class="phpdocumentor-element-found-in__file" title="lib/vendor/bacon/bacon-qr-code/src/Common/ReedSolomonCodec.php"><a href="files/app-lib-vendor-bacon-bacon-qr-code-src-common-reedsolomoncodec.html"><abbr title="lib/vendor/bacon/bacon-qr-code/src/Common/ReedSolomonCodec.php">ReedSolomonCodec.php</abbr></a></abbr>
:
<span class="phpdocumentor-element-found-in__line">57</span>
</aside>
<p class="phpdocumentor-summary">RS code generator polynomial degree (number of roots).</p>
<code class="phpdocumentor-code phpdocumentor-signature ">
<span class="phpdocumentor-signature__visibility">private</span>
<span class="phpdocumentor-signature__type">int</span>
<span class="phpdocumentor-signature__name">$numRoots</span>
</code>
</article>
<article
class="
phpdocumentor-element
-property
-private
"
>
<h4 class="phpdocumentor-element__name" id="property_padding">
$padding
<a href="classes/BaconQrCode-Common-ReedSolomonCodec.html#property_padding" class="headerlink"><i class="fas fa-link"></i></a>
<span class="phpdocumentor-element__modifiers">
</span>
</h4>
<aside class="phpdocumentor-element-found-in">
<abbr class="phpdocumentor-element-found-in__file" title="lib/vendor/bacon/bacon-qr-code/src/Common/ReedSolomonCodec.php"><a href="files/app-lib-vendor-bacon-bacon-qr-code-src-common-reedsolomoncodec.html"><abbr title="lib/vendor/bacon/bacon-qr-code/src/Common/ReedSolomonCodec.php">ReedSolomonCodec.php</abbr></a></abbr>
:
<span class="phpdocumentor-element-found-in__line">64</span>
</aside>
<p class="phpdocumentor-summary">Padding bytes at front of shortened block.</p>
<code class="phpdocumentor-code phpdocumentor-signature ">
<span class="phpdocumentor-signature__visibility">private</span>
<span class="phpdocumentor-signature__type">int</span>
<span class="phpdocumentor-signature__name">$padding</span>
</code>
</article>
<article
class="
phpdocumentor-element
-property
-private
"
>
<h4 class="phpdocumentor-element__name" id="property_primitive">
$primitive
<a href="classes/BaconQrCode-Common-ReedSolomonCodec.html#property_primitive" class="headerlink"><i class="fas fa-link"></i></a>
<span class="phpdocumentor-element__modifiers">