mrkad
/
php-qrcode
огледало од https://github.com/chillerlan/php-qrcode.git


			
							12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115111611171118111911201121112211231124112511261127112811291130113111321133113411351136113711381139114011411142114311441145114611471148114911501151115211531154115511561157115811591160116111621163116411651166116711681169117011711172117311741175117611771178117911801181118211831184118511861187118811891190119111921193119411951196119711981199
							<!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">
    <link rel="stylesheet" href="css/base.css">
            <link rel="preconnect" href="https://fonts.gstatic.com">
        <link href="https://fonts.googleapis.com/css2?family=Source+Sans+Pro:wght@400;600;700&display=swap" rel="stylesheet">
        <link href="https://fonts.googleapis.com/css2?family=Source+Code+Pro:wght@400;600;700&display=swap" rel="stylesheet">
        <link rel="stylesheet" href="css/template.css">
        <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.12.0/css/all.min.css" integrity="sha256-ybRkN9dBjhcS2qrW1z+hfCxq+1aBdwyQM5wlQoQVt/0=" crossorigin="anonymous" />
        <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/prismjs@1.23.0/themes/prism-okaidia.css">
        <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/prismjs@1.23.0/plugins/line-numbers/prism-line-numbers.css">
        <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/prismjs@1.23.0/plugins/line-highlight/prism-line-highlight.css">
                <script src="https://cdn.jsdelivr.net/npm/fuse.js@3.4.6"></script>
        <script src="https://cdn.jsdelivr.net/npm/css-vars-ponyfill@2"></script>
        <script src="js/search.js"></script>
        <script defer src="js/searchIndex.js"></script>
    </head>
<body id="top">
    <header class="phpdocumentor-header phpdocumentor-section">
    <h1 class="phpdocumentor-title"><a href="" class="phpdocumentor-title__link">Documentation</a></h1>
    <input class="phpdocumentor-header__menu-button" type="checkbox" id="menu-button" name="menu-button" />
    <label class="phpdocumentor-header__menu-icon" for="menu-button">
        <i class="fas fa-bars"></i>
    </label>
    <section data-search-form class="phpdocumentor-search">
    <label>
        <span class="visually-hidden">Search for</span>
        <svg class="phpdocumentor-search__icon" width="21" height="20" viewBox="0 0 21 20" fill="none" xmlns="http://www.w3.org/2000/svg">
            <circle cx="7.5" cy="7.5" r="6.5" stroke="currentColor" stroke-width="2"/>
            <line x1="12.4892" y1="12.2727" x2="19.1559" y2="18.9393" stroke="currentColor" stroke-width="3"/>
        </svg>
        <input type="search" class="phpdocumentor-field phpdocumentor-search__field" placeholder="Loading .." disabled />
    </label>
</section>

    <nav class="phpdocumentor-topnav">
    <ul class="phpdocumentor-topnav__menu">
        </ul>
</nav>
</header>

    <main class="phpdocumentor">
        <div class="phpdocumentor-section">
            <input class="phpdocumentor-sidebar__menu-button" type="checkbox" id="sidebar-button" name="sidebar-button" />
<label class="phpdocumentor-sidebar__menu-icon" for="sidebar-button">
    Menu
</label>
<aside class="phpdocumentor-column -four phpdocumentor-sidebar">
                    <section class="phpdocumentor-sidebar__category">
            <h2 class="phpdocumentor-sidebar__category-header">Namespaces</h2>
                                    <h4 class="phpdocumentor-sidebar__root-namespace"><a href="namespaces/chillerlan.html">chillerlan</a></h4>
    <ul class="phpdocumentor-list">
                    <li>
                <a href="namespaces/chillerlan-qrcode.html">QRCode</a>
                
            </li>
                    <li>
                <a href="namespaces/chillerlan-qrcodetest.html">QRCodeTest</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">Application</a></h4>

                        </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/chillerlan.html">chillerlan</a></li>
            <li class="phpdocumentor-breadcrumb"><a href="namespaces/chillerlan-qrcode.html">QRCode</a></li>
            <li class="phpdocumentor-breadcrumb"><a href="namespaces/chillerlan-qrcode-common.html">Common</a></li>
    </ul>

    <article class="phpdocumentor-element -class">
        <h2 class="phpdocumentor-content__title">
    GF256

    
            <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="src/Common/GF256.php"><a href="files/src-common-gf256.html"><abbr title="src/Common/GF256.php">GF256.php</abbr></a></abbr>
    :
    <span class="phpdocumentor-element-found-in__line">29</span>

    </aside>

            <p class="phpdocumentor-summary">&lt;p&gt;This class contains utility methods for performing mathematical operations over
the Galois Fields. Operations use a given primitive polynomial in calculations.&lt;/p&gt;</p>

    <section class="phpdocumentor-description"><p>Throughout this package, elements of the GF are represented as an int
for convenience and speed (but at the cost of memory).
</p>
</section>


    <h5 class="phpdocumentor-tag-list__heading" id="tags">
        Tags
        <a href="#tags" class="headerlink"><i class="fas fa-link"></i></a>
    </h5>
    <dl class="phpdocumentor-tag-list">
                                    <dt class="phpdocumentor-tag-list__entry">
                    <span class="phpdocumentor-tag__name">author</span>
                </dt>
                <dd class="phpdocumentor-tag-list__definition">
                                                                                
                                                 <section class="phpdocumentor-description"><p>Sean Owen</p>
</section>

                                    </dd>
                            <dt class="phpdocumentor-tag-list__entry">
                    <span class="phpdocumentor-tag__name">author</span>
                </dt>
                <dd class="phpdocumentor-tag-list__definition">
                                                                                
                                                 <section class="phpdocumentor-description"><p>David Olivier</p>
</section>

                                    </dd>
                        </dl>


<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 -constant -private">
    <a href="classes/chillerlan-QRCode-Common-GF256.html#constant_expTable">expTable</a>
    <span>
        &nbsp;= [1, 2, 4, 8, 16, 32, 64, 128, 29, 58, 116, 232, 205, 135, 19, 38, 76, 152, 45, 90, 180, 117, 234, 201, 143, 3, 6, 12, 24, 48, 96, 192, 157, 39, 78, 156, 37, 74, 148, 53, 106, 212, 181, 119, 238, 193, 159, 35, 70, 140, 5, 10, 20, 40, 80, 160, 93, 186, 105, 210, 185, 111, 222, 161, 95, 190, 97, 194, 153, 47, 94, 188, 101, 202, 137, 15, 30, 60, 120, 240, 253, 231, 211, 187, 107, 214, 177, 127, 254, 225, 223, 163, 91, 182, 113, 226, 217, 175, 67, 134, 17, 34, 68, 136, 13, 26, 52, 104, 208, 189, 103, 206, 129, 31, 62, 124, 248, 237, 199, 147, 59, 118, 236, 197, 151, 51, 102, 204, 133, 23, 46, 92, 184, 109, 218, 169, 79, 158, 33, 66, 132, 21, 42, 84, 168, 77, 154, 41, 82, 164, 85, 170, 73, 146, 57, 114, 228, 213, 183, 115, 230, 209, 191, 99, 198, 145, 63, 126, 252, 229, 215, 179, 123, 246, 241, 255, 227, 219, 171, 75, 150, 49, 98, 196, 149, 55, 110, 220, 165, 87, 174, 65, 130, 25, 50, 100, 200, 141, 7, 14, 28, 56, 112, 224, 221, 167, 83, 166, 81, 162, 89, 178, 121, 242, 249, 239, 195, 155, 43, 86, 172, 69, 138, 9, 18, 36, 72, 144, 61, 122, 244, 245, 247, 243, 251, 235, 203, 139, 11, 22, 44, 88, 176, 125, 250, 233, 207, 131, 27, 54, 108, 216, 173, 71, 142, 1]                    </span>
</dt>
<dd></dd>

            <dt class="phpdocumentor-table-of-contents__entry -constant -private">
    <a href="classes/chillerlan-QRCode-Common-GF256.html#constant_logTable">logTable</a>
    <span>
        &nbsp;= [
    0,
    // the first value is never returned, index starts at 1
    0,
    1,
    25,
    2,
    50,
    26,
    198,
    3,
    223,
    51,
    238,
    27,
    104,
    199,
    75,
    4,
    100,
    224,
    14,
    52,
    141,
    239,
    129,
    28,
    193,
    105,
    248,
    200,
    8,
    76,
    113,
    5,
    138,
    101,
    47,
    225,
    36,
    15,
    33,
    53,
    147,
    142,
    218,
    240,
    18,
    130,
    69,
    29,
    181,
    194,
    125,
    106,
    39,
    249,
    185,
    201,
    154,
    9,
    120,
    77,
    228,
    114,
    166,
    6,
    191,
    139,
    98,
    102,
    221,
    48,
    253,
    226,
    152,
    37,
    179,
    16,
    145,
    34,
    136,
    54,
    208,
    148,
    206,
    143,
    150,
    219,
    189,
    241,
    210,
    19,
    92,
    131,
    56,
    70,
    64,
    30,
    66,
    182,
    163,
    195,
    72,
    126,
    110,
    107,
    58,
    40,
    84,
    250,
    133,
    186,
    61,
    202,
    94,
    155,
    159,
    10,
    21,
    121,
    43,
    78,
    212,
    229,
    172,
    115,
    243,
    167,
    87,
    7,
    112,
    192,
    247,
    140,
    128,
    99,
    13,
    103,
    74,
    222,
    237,
    49,
    197,
    254,
    24,
    227,
    165,
    153,
    119,
    38,
    184,
    180,
    124,
    17,
    68,
    146,
    217,
    35,
    32,
    137,
    46,
    55,
    63,
    209,
    91,
    149,
    188,
    207,
    205,
    144,
    135,
    151,
    178,
    220,
    252,
    190,
    97,
    242,
    86,
    211,
    171,
    20,
    42,
    93,
    158,
    132,
    60,
    57,
    83,
    71,
    109,
    65,
    162,
    31,
    45,
    67,
    216,
    183,
    123,
    164,
    118,
    196,
    23,
    73,
    236,
    127,
    12,
    111,
    246,
    108,
    161,
    59,
    82,
    41,
    157,
    85,
    170,
    251,
    96,
    134,
    177,
    187,
    204,
    62,
    90,
    203,
    89,
    95,
    176,
    156,
    169,
    160,
    81,
    11,
    245,
    22,
    235,
    122,
    117,
    44,
    215,
    79,
    174,
    213,
    233,
    230,
    231,
    173,
    232,
    116,
    214,
    244,
    234,
    168,
    80,
    88,
    175,
]                    </span>
</dt>
<dd>irreducible polynomial whose coefficients are represented by the bits of an int,
where the least-significant bit represents the constant coefficient</dd>

                    <dt class="phpdocumentor-table-of-contents__entry -method -public">
    <a href="classes/chillerlan-QRCode-Common-GF256.html#method_addOrSubtract">addOrSubtract()</a>
    <span>
                        &nbsp;: int    </span>
</dt>
<dd>Implements both addition and subtraction -- they are the same in GF(size).</dd>

            <dt class="phpdocumentor-table-of-contents__entry -method -public">
    <a href="classes/chillerlan-QRCode-Common-GF256.html#method_buildMonomial">buildMonomial()</a>
    <span>
                        &nbsp;: <a href="classes/chillerlan-QRCode-Common-GenericGFPoly.html"><abbr title="\chillerlan\QRCode\Common\GenericGFPoly">GenericGFPoly</abbr></a>    </span>
</dt>
<dd></dd>

            <dt class="phpdocumentor-table-of-contents__entry -method -public">
    <a href="classes/chillerlan-QRCode-Common-GF256.html#method_exp">exp()</a>
    <span>
                        &nbsp;: int    </span>
</dt>
<dd></dd>

            <dt class="phpdocumentor-table-of-contents__entry -method -public">
    <a href="classes/chillerlan-QRCode-Common-GF256.html#method_inverse">inverse()</a>
    <span>
                        &nbsp;: int    </span>
</dt>
<dd></dd>

            <dt class="phpdocumentor-table-of-contents__entry -method -public">
    <a href="classes/chillerlan-QRCode-Common-GF256.html#method_log">log()</a>
    <span>
                        &nbsp;: int    </span>
</dt>
<dd></dd>

            <dt class="phpdocumentor-table-of-contents__entry -method -public">
    <a href="classes/chillerlan-QRCode-Common-GF256.html#method_multiply">multiply()</a>
    <span>
                        &nbsp;: int    </span>
</dt>
<dd></dd>

        </dl>


    <section class="phpdocumentor-constants">
        <h3 class="phpdocumentor-elements__header" id="constants">
            Constants
            <a href="classes/chillerlan-QRCode-Common-GF256.html#constants" class="headerlink"><i class="fas fa-link"></i></a>
        </h3>
                    <article class="phpdocumentor-element -constant -private ">
    <h4 class="phpdocumentor-element__name" id="constant_expTable">
        expTable
        <a href="classes/chillerlan-QRCode-Common-GF256.html#constant_expTable" class="headerlink"><i class="fas fa-link"></i></a>
    </h4>

    <aside class="phpdocumentor-element-found-in">
    <abbr class="phpdocumentor-element-found-in__file" title="src/Common/GF256.php"><a href="files/src-common-gf256.html"><abbr title="src/Common/GF256.php">GF256.php</abbr></a></abbr>
    :
    <span class="phpdocumentor-element-found-in__line">57</span>

    </aside>

    
    <code class="phpdocumentor-signature phpdocumentor-code ">
    <span class="phpdocumentor-signature__visibility">private</span>
    <span class="phpdocumentor-signature__type">mixed</span>
    <span class="phpdocumentor-signature__name">expTable</span>
    = <span class="phpdocumentor-signature__default-value">[1, 2, 4, 8, 16, 32, 64, 128, 29, 58, 116, 232, 205, 135, 19, 38, 76, 152, 45, 90, 180, 117, 234, 201, 143, 3, 6, 12, 24, 48, 96, 192, 157, 39, 78, 156, 37, 74, 148, 53, 106, 212, 181, 119, 238, 193, 159, 35, 70, 140, 5, 10, 20, 40, 80, 160, 93, 186, 105, 210, 185, 111, 222, 161, 95, 190, 97, 194, 153, 47, 94, 188, 101, 202, 137, 15, 30, 60, 120, 240, 253, 231, 211, 187, 107, 214, 177, 127, 254, 225, 223, 163, 91, 182, 113, 226, 217, 175, 67, 134, 17, 34, 68, 136, 13, 26, 52, 104, 208, 189, 103, 206, 129, 31, 62, 124, 248, 237, 199, 147, 59, 118, 236, 197, 151, 51, 102, 204, 133, 23, 46, 92, 184, 109, 218, 169, 79, 158, 33, 66, 132, 21, 42, 84, 168, 77, 154, 41, 82, 164, 85, 170, 73, 146, 57, 114, 228, 213, 183, 115, 230, 209, 191, 99, 198, 145, 63, 126, 252, 229, 215, 179, 123, 246, 241, 255, 227, 219, 171, 75, 150, 49, 98, 196, 149, 55, 110, 220, 165, 87, 174, 65, 130, 25, 50, 100, 200, 141, 7, 14, 28, 56, 112, 224, 221, 167, 83, 166, 81, 162, 89, 178, 121, 242, 249, 239, 195, 155, 43, 86, 172, 69, 138, 9, 18, 36, 72, 144, 61, 122, 244, 245, 247, 243, 251, 235, 203, 139, 11, 22, 44, 88, 176, 125, 250, 233, 207, 131, 27, 54, 108, 216, 173, 71, 142, 1]</span>
</code>


        <section class="phpdocumentor-description"></section>

        <section class="phpdocumentor-description"></section>

    
</article>
                    <article class="phpdocumentor-element -constant -private ">
    <h4 class="phpdocumentor-element__name" id="constant_logTable">
        logTable
        <a href="classes/chillerlan-QRCode-Common-GF256.html#constant_logTable" class="headerlink"><i class="fas fa-link"></i></a>
    </h4>

    <aside class="phpdocumentor-element-found-in">
    <abbr class="phpdocumentor-element-found-in__file" title="src/Common/GF256.php"><a href="files/src-common-gf256.html"><abbr title="src/Common/GF256.php">GF256.php</abbr></a></abbr>
    :
    <span class="phpdocumentor-element-found-in__line">37</span>

    </aside>

        <p class="phpdocumentor-summary">irreducible polynomial whose coefficients are represented by the bits of an int,
where the least-significant bit represents the constant coefficient</p>

    <code class="phpdocumentor-signature phpdocumentor-code ">
    <span class="phpdocumentor-signature__visibility">private</span>
    <span class="phpdocumentor-signature__type">mixed</span>
    <span class="phpdocumentor-signature__name">logTable</span>
    = <span class="phpdocumentor-signature__default-value">[
    0,
    // the first value is never returned, index starts at 1
    0,
    1,
    25,
    2,
    50,
    26,
    198,
    3,
    223,
    51,
    238,
    27,
    104,
    199,
    75,
    4,
    100,
    224,
    14,
    52,
    141,
    239,
    129,
    28,
    193,
    105,
    248,
    200,
    8,
    76,
    113,
    5,
    138,
    101,
    47,
    225,
    36,
    15,
    33,
    53,
    147,
    142,
    218,
    240,
    18,
    130,
    69,
    29,
    181,
    194,
    125,
    106,
    39,
    249,
    185,
    201,
    154,
    9,
    120,
    77,
    228,
    114,
    166,
    6,
    191,
    139,
    98,
    102,
    221,
    48,
    253,
    226,
    152,
    37,
    179,
    16,
    145,
    34,
    136,
    54,
    208,
    148,
    206,
    143,
    150,
    219,
    189,
    241,
    210,
    19,
    92,
    131,
    56,
    70,
    64,
    30,
    66,
    182,
    163,
    195,
    72,
    126,
    110,
    107,
    58,
    40,
    84,
    250,
    133,
    186,
    61,
    202,
    94,
    155,
    159,
    10,
    21,
    121,
    43,
    78,
    212,
    229,
    172,
    115,
    243,
    167,
    87,
    7,
    112,
    192,
    247,
    140,
    128,
    99,
    13,
    103,
    74,
    222,
    237,
    49,
    197,
    254,
    24,
    227,
    165,
    153,
    119,
    38,
    184,
    180,
    124,
    17,
    68,
    146,
    217,
    35,
    32,
    137,
    46,
    55,
    63,
    209,
    91,
    149,
    188,
    207,
    205,
    144,
    135,
    151,
    178,
    220,
    252,
    190,
    97,
    242,
    86,
    211,
    171,
    20,
    42,
    93,
    158,
    132,
    60,
    57,
    83,
    71,
    109,
    65,
    162,
    31,
    45,
    67,
    216,
    183,
    123,
    164,
    118,
    196,
    23,
    73,
    236,
    127,
    12,
    111,
    246,
    108,
    161,
    59,
    82,
    41,
    157,
    85,
    170,
    251,
    96,
    134,
    177,
    187,
    204,
    62,
    90,
    203,
    89,
    95,
    176,
    156,
    169,
    160,
    81,
    11,
    245,
    22,
    235,
    122,
    117,
    44,
    215,
    79,
    174,
    213,
    233,
    230,
    231,
    173,
    232,
    116,
    214,
    244,
    234,
    168,
    80,
    88,
    175,
]</span>
</code>


        <section class="phpdocumentor-description"></section>

    
</article>
            </section>

        
            <section class="phpdocumentor-methods">
        <h3 class="phpdocumentor-elements__header" id="methods">
            Methods
            <a href="classes/chillerlan-QRCode-Common-GF256.html#methods" class="headerlink"><i class="fas fa-link"></i></a>
        </h3>
                    <article
        class="phpdocumentor-element
            -method
            -public
                                    -static                    "
>
    <h4 class="phpdocumentor-element__name" id="method_addOrSubtract">
        addOrSubtract()
        <a href="classes/chillerlan-QRCode-Common-GF256.html#method_addOrSubtract" class="headerlink"><i class="fas fa-link"></i></a>
    </h4>
    <aside class="phpdocumentor-element-found-in">
    <abbr class="phpdocumentor-element-found-in__file" title="src/Common/GF256.php"><a href="files/src-common-gf256.html"><abbr title="src/Common/GF256.php">GF256.php</abbr></a></abbr>
    :
    <span class="phpdocumentor-element-found-in__line">81</span>

    </aside>

        <p class="phpdocumentor-summary">Implements both addition and subtraction -- they are the same in GF(size).</p>

    <code class="phpdocumentor-code phpdocumentor-signature ">
    <span class="phpdocumentor-signature__visibility">public</span>
            <span class="phpdocumentor-signature__static">static</span>    <span class="phpdocumentor-signature__name">addOrSubtract</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">int&nbsp;</span><span class="phpdocumentor-signature__argument__name">$a</span></span><span class="phpdocumentor-signature__argument"><span>, </span><span class="phpdocumentor-signature__argument__return-type">int&nbsp;</span><span class="phpdocumentor-signature__argument__name">$b</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">int</span></code>

    
        <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    <dl class="phpdocumentor-argument-list">
                    <dt class="phpdocumentor-argument-list__entry">
                <span class="phpdocumentor-signature__argument__name">$a</span>
                : <span class="phpdocumentor-signature__argument__return-type">int</span>
                            </dt>
            <dd class="phpdocumentor-argument-list__definition">
                    <section class="phpdocumentor-description"></section>

            </dd>
                    <dt class="phpdocumentor-argument-list__entry">
                <span class="phpdocumentor-signature__argument__name">$b</span>
                : <span class="phpdocumentor-signature__argument__return-type">int</span>
                            </dt>
            <dd class="phpdocumentor-argument-list__definition">
                    <section class="phpdocumentor-description"></section>

            </dd>
            </dl>

    
        <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    <span class="phpdocumentor-signature__response_type">int</span>
            &mdash;
            <section class="phpdocumentor-description"><p>sum/difference of a and b</p>
</section>

    
</article>
                    <article
        class="phpdocumentor-element
            -method
            -public
                                    -static                    "
>
    <h4 class="phpdocumentor-element__name" id="method_buildMonomial">
        buildMonomial()
        <a href="classes/chillerlan-QRCode-Common-GF256.html#method_buildMonomial" class="headerlink"><i class="fas fa-link"></i></a>
    </h4>
    <aside class="phpdocumentor-element-found-in">
    <abbr class="phpdocumentor-element-found-in__file" title="src/Common/GF256.php"><a href="files/src-common-gf256.html"><abbr title="src/Common/GF256.php">GF256.php</abbr></a></abbr>
    :
    <span class="phpdocumentor-element-found-in__line">88</span>

    </aside>

    
    <code class="phpdocumentor-code phpdocumentor-signature ">
    <span class="phpdocumentor-signature__visibility">public</span>
            <span class="phpdocumentor-signature__static">static</span>    <span class="phpdocumentor-signature__name">buildMonomial</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">int&nbsp;</span><span class="phpdocumentor-signature__argument__name">$degree</span></span><span class="phpdocumentor-signature__argument"><span>, </span><span class="phpdocumentor-signature__argument__return-type">int&nbsp;</span><span class="phpdocumentor-signature__argument__name">$coefficient</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type"><a href="classes/chillerlan-QRCode-Common-GenericGFPoly.html"><abbr title="\chillerlan\QRCode\Common\GenericGFPoly">GenericGFPoly</abbr></a></span></code>

    
        <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    <dl class="phpdocumentor-argument-list">
                    <dt class="phpdocumentor-argument-list__entry">
                <span class="phpdocumentor-signature__argument__name">$degree</span>
                : <span class="phpdocumentor-signature__argument__return-type">int</span>
                            </dt>
            <dd class="phpdocumentor-argument-list__definition">
                    <section class="phpdocumentor-description"></section>

            </dd>
                    <dt class="phpdocumentor-argument-list__entry">
                <span class="phpdocumentor-signature__argument__name">$coefficient</span>
                : <span class="phpdocumentor-signature__argument__return-type">int</span>
                            </dt>
            <dd class="phpdocumentor-argument-list__definition">
                    <section class="phpdocumentor-description"></section>

            </dd>
            </dl>

    
        <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    <span class="phpdocumentor-signature__response_type"><a href="classes/chillerlan-QRCode-Common-GenericGFPoly.html"><abbr title="\chillerlan\QRCode\Common\GenericGFPoly">GenericGFPoly</abbr></a></span>
            &mdash;
            <section class="phpdocumentor-description"><p>the monomial representing coefficient * x^degree</p>
</section>

    
</article>
                    <article
        class="phpdocumentor-element
            -method
            -public
                                    -static                    "
>
    <h4 class="phpdocumentor-element__name" id="method_exp">
        exp()
        <a href="classes/chillerlan-QRCode-Common-GF256.html#method_exp" class="headerlink"><i class="fas fa-link"></i></a>
    </h4>
    <aside class="phpdocumentor-element-found-in">
    <abbr class="phpdocumentor-element-found-in__file" title="src/Common/GF256.php"><a href="files/src-common-gf256.html"><abbr title="src/Common/GF256.php">GF256.php</abbr></a></abbr>
    :
    <span class="phpdocumentor-element-found-in__line">103</span>

    </aside>

    
    <code class="phpdocumentor-code phpdocumentor-signature ">
    <span class="phpdocumentor-signature__visibility">public</span>
            <span class="phpdocumentor-signature__static">static</span>    <span class="phpdocumentor-signature__name">exp</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">int&nbsp;</span><span class="phpdocumentor-signature__argument__name">$a</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">int</span></code>

    
        <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    <dl class="phpdocumentor-argument-list">
                    <dt class="phpdocumentor-argument-list__entry">
                <span class="phpdocumentor-signature__argument__name">$a</span>
                : <span class="phpdocumentor-signature__argument__return-type">int</span>
                            </dt>
            <dd class="phpdocumentor-argument-list__definition">
                    <section class="phpdocumentor-description"></section>

            </dd>
            </dl>

    
        <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    <span class="phpdocumentor-signature__response_type">int</span>
            &mdash;
            <section class="phpdocumentor-description"><p>2 to the power of a in GF(size)</p>
</section>

    
</article>
                    <article
        class="phpdocumentor-element
            -method
            -public
                                    -static                    "
>
    <h4 class="phpdocumentor-element__name" id="method_inverse">
        inverse()
        <a href="classes/chillerlan-QRCode-Common-GF256.html#method_inverse" class="headerlink"><i class="fas fa-link"></i></a>
    </h4>
    <aside class="phpdocumentor-element-found-in">
    <abbr class="phpdocumentor-element-found-in__file" title="src/Common/GF256.php"><a href="files/src-common-gf256.html"><abbr title="src/Common/GF256.php">GF256.php</abbr></a></abbr>
    :
    <span class="phpdocumentor-element-found-in__line">130</span>

    </aside>

    
    <code class="phpdocumentor-code phpdocumentor-signature ">
    <span class="phpdocumentor-signature__visibility">public</span>
            <span class="phpdocumentor-signature__static">static</span>    <span class="phpdocumentor-signature__name">inverse</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">int&nbsp;</span><span class="phpdocumentor-signature__argument__name">$a</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">int</span></code>

    
        <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    <dl class="phpdocumentor-argument-list">
                    <dt class="phpdocumentor-argument-list__entry">
                <span class="phpdocumentor-signature__argument__name">$a</span>
                : <span class="phpdocumentor-signature__argument__return-type">int</span>
                            </dt>
            <dd class="phpdocumentor-argument-list__definition">
                    <section class="phpdocumentor-description"></section>

            </dd>
            </dl>

    
        <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    <span class="phpdocumentor-signature__response_type">int</span>
            &mdash;
            <section class="phpdocumentor-description"><p>multiplicative inverse of a</p>
</section>

    
</article>
                    <article
        class="phpdocumentor-element
            -method
            -public
                                    -static                    "
>
    <h4 class="phpdocumentor-element__name" id="method_log">
        log()
        <a href="classes/chillerlan-QRCode-Common-GF256.html#method_log" class="headerlink"><i class="fas fa-link"></i></a>
    </h4>
    <aside class="phpdocumentor-element-found-in">
    <abbr class="phpdocumentor-element-found-in__file" title="src/Common/GF256.php"><a href="files/src-common-gf256.html"><abbr title="src/Common/GF256.php">GF256.php</abbr></a></abbr>
    :
    <span class="phpdocumentor-element-found-in__line">118</span>

    </aside>

    
    <code class="phpdocumentor-code phpdocumentor-signature ">
    <span class="phpdocumentor-signature__visibility">public</span>
            <span class="phpdocumentor-signature__static">static</span>    <span class="phpdocumentor-signature__name">log</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">int&nbsp;</span><span class="phpdocumentor-signature__argument__name">$a</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">int</span></code>

    
        <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    <dl class="phpdocumentor-argument-list">
                    <dt class="phpdocumentor-argument-list__entry">
                <span class="phpdocumentor-signature__argument__name">$a</span>
                : <span class="phpdocumentor-signature__argument__return-type">int</span>
                            </dt>
            <dd class="phpdocumentor-argument-list__definition">
                    <section class="phpdocumentor-description"></section>

            </dd>
            </dl>

    
        <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    <span class="phpdocumentor-signature__response_type">int</span>
            &mdash;
            <section class="phpdocumentor-description"><p>base 2 log of a in GF(size)</p>
</section>

    
</article>
                    <article
        class="phpdocumentor-element
            -method
            -public
                                    -static                    "
>
    <h4 class="phpdocumentor-element__name" id="method_multiply">
        multiply()
        <a href="classes/chillerlan-QRCode-Common-GF256.html#method_multiply" class="headerlink"><i class="fas fa-link"></i></a>
    </h4>
    <aside class="phpdocumentor-element-found-in">
    <abbr class="phpdocumentor-element-found-in__file" title="src/Common/GF256.php"><a href="files/src-common-gf256.html"><abbr title="src/Common/GF256.php">GF256.php</abbr></a></abbr>
    :
    <span class="phpdocumentor-element-found-in__line">142</span>

    </aside>

    
    <code class="phpdocumentor-code phpdocumentor-signature ">
    <span class="phpdocumentor-signature__visibility">public</span>
            <span class="phpdocumentor-signature__static">static</span>    <span class="phpdocumentor-signature__name">multiply</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">int&nbsp;</span><span class="phpdocumentor-signature__argument__name">$a</span></span><span class="phpdocumentor-signature__argument"><span>, </span><span class="phpdocumentor-signature__argument__return-type">int&nbsp;</span><span class="phpdocumentor-signature__argument__name">$b</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">int</span></code>

    
        <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    <dl class="phpdocumentor-argument-list">
                    <dt class="phpdocumentor-argument-list__entry">
                <span class="phpdocumentor-signature__argument__name">$a</span>
                : <span class="phpdocumentor-signature__argument__return-type">int</span>
                            </dt>
            <dd class="phpdocumentor-argument-list__definition">
                    <section class="phpdocumentor-description"></section>

            </dd>
                    <dt class="phpdocumentor-argument-list__entry">
                <span class="phpdocumentor-signature__argument__name">$b</span>
                : <span class="phpdocumentor-signature__argument__return-type">int</span>
                            </dt>
            <dd class="phpdocumentor-argument-list__definition">
                    <section class="phpdocumentor-description"></section>

            </dd>
            </dl>

    
        <h5 class="phpdocumentor-return-value__heading">Return values</h5>
    <span class="phpdocumentor-signature__response_type">int</span>
            &mdash;
            <section class="phpdocumentor-description"><p>product of a and b in GF(size)</p>
</section>

    
</article>
            </section>

        
    <script type="text/javascript">
        function loadExternalCodeSnippets(line) {
            Array.prototype.slice.call(document.querySelectorAll('pre[data-src]')).forEach((pre) => {
                var src = pre.getAttribute('data-src').replace( /\\/g, '/');
                var extension = (src.match(/\.(\w+)$/) || [, ''])[1];
                var language = 'php';

                var code = document.createElement('code');
                code.className = 'language-' + language;

                pre.textContent = '';

                pre.setAttribute('data-line', line)
                code.textContent = 'Loading…';

                pre.appendChild(code);

                var xhr = new XMLHttpRequest();

                xhr.open('GET', src, true);

                xhr.onreadystatechange = function () {
                    if (xhr.readyState == 4) {

                        if (xhr.status < 400 && xhr.responseText) {
                            code.textContent = xhr.responseText;

                            Prism.highlightElement(code);
                        }
                        else if (xhr.status >= 400) {
                            code.textContent = '✖ Error ' + xhr.status + ' while fetching file: ' + xhr.statusText;
                        }
                        else {
                            code.textContent = '✖ Error: File does not exist, is empty or trying to view from localhost';
                        }
                    }
                };

                xhr.send(null);
            });
        }

        var modals = document.querySelectorAll("[data-modal]");

        modals.forEach(function (trigger) {
            trigger.addEventListener("click", function (event) {
                //event.preventDefault();
                const modal = document.getElementById(trigger.dataset.modal);
                modal.classList.add("phpdocumentor-modal__open");
                loadExternalCodeSnippets(trigger.dataset.line)
                const exits = modal.querySelectorAll("[data-exit-button]");
                exits.forEach(function (exit) {
                    exit.addEventListener("click", function (event) {
                        event.preventDefault();
                        modal.classList.remove("phpdocumentor-modal__open");
                    });
                });
            });
        });
    </script>

    </article>
                <section data-search-results class="phpdocumentor-search-results phpdocumentor-search-results--hidden">
    <section class="phpdocumentor-search-results__dialog">
        <header class="phpdocumentor-search-results__header">
            <h2 class="phpdocumentor-search-results__title">Search results</h2>
            <button class="phpdocumentor-search-results__close"><i class="fas fa-times"></i></button>
        </header>
        <section class="phpdocumentor-search-results__body">
            <ul class="phpdocumentor-search-results__entries"></ul>
        </section>
    </section>
</section>
            </div>
        </div>
        <a href="classes/chillerlan-QRCode-Common-GF256.html#top" class="phpdocumentor-back-to-top"><i class="fas fa-chevron-circle-up"></i></a>

    </main>

    <script>
        cssVars({});
    </script>
    <script src="https://cdn.jsdelivr.net/npm/prismjs@1.23.0/prism.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/prismjs@1.23.0/plugins/autoloader/prism-autoloader.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/prismjs@1.23.0/plugins/line-numbers/prism-line-numbers.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/prismjs@1.23.0/plugins/line-highlight/prism-line-highlight.min.js"></script>
</body>
</html>