sander Thu Jun 6 12:03:19 2002 EDT
Added files:
/phpdoc-nl/reference/math .cvsignore reference.xml
/phpdoc-nl/reference/math/functions abs.xml acos.xml asin.xml
atan.xml base-convert.xml
bindec.xml ceil.xml cos.xml
decbin.xml decoct.xml
deg2rad.xml exp.xml floor.xml
hypot.xml is-nan.xml octdec.xml
pi.xml pow.xml rad2deg.xml
sin.xml sqrt.xml tan.xml
Log:
Add partial translation of math-functions
Index: phpdoc-nl/reference/math/.cvsignore
+++ phpdoc-nl/reference/math/.cvsignore
functions.xml
Index: phpdoc-nl/reference/math/reference.xml
+++ phpdoc-nl/reference/math/reference.xml
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- EN-Revision: 1.3 Maintainer: sander Status: ready -->
<reference id="ref.math">
<title>Wiskundige functies</title>
<titleabbrev>Wiskunde</titleabbrev>
<partintro>
<section id="math.intro">
&reftitle.intro;
<para>
Deze wiskundige functies kunnen alleen waarden behandelen die in het
bereik van de <type>integer</type> en <type>float</type> types op jouw
computer zijn. (dit komt momenteel overeen met resp. de C types long en
double). Als je hogere getallen aan moet kunnen, kijk dan eens naar de
<link linkend="ref.bc">arbitrary precision math functions</link>.
</para>
<section id="math.constants">
&reftitle.constants;
<para>
De volgende waarden zijn gedefinieerd als constanten in PHP door de
Wiskundige functies.
<table>
<title>Wiskundige constanten</title>
<tgroup cols="3">
<thead>
<row>
<entry>Constante</entry>
<entry>Waarde</entry>
<entry>Omschrijving</entry>
</row>
</thead>
<tbody>
<row>
<entry>M_PI</entry>
<entry>3.14159265358979323846</entry>
<entry>Pi</entry>
</row>
<row>
<entry>M_E</entry>
<entry>2.7182818284590452354</entry>
<entry>e</entry>
</row>
<row>
<entry>M_LOG2E</entry>
<entry>1.4426950408889634074</entry>
<entry>log_2 e</entry>
</row>
<row>
<entry>M_LOG10E</entry>
<entry>0.43429448190325182765</entry>
<entry>log_10 e</entry>
</row>
<row>
<entry>M_LN2</entry>
<entry>0.69314718055994530942</entry>
<entry>log_e 2</entry>
</row>
<row>
<entry>M_LN10</entry>
<entry>2.30258509299404568402</entry>
<entry>log_e 10</entry>
</row>
<row>
<entry>M_PI_2</entry>
<entry>1.57079632679489661923</entry>
<entry>pi/2</entry>
</row>
<row>
<entry>M_PI_4</entry>
<entry>0.78539816339744830962</entry>
<entry>pi/4</entry>
</row>
<row>
<entry>M_1_PI</entry>
<entry>0.31830988618379067154</entry>
<entry>1/pi</entry>
</row>
<row>
<entry>M_2_PI</entry>
<entry>0.63661977236758134308</entry>
<entry>2/pi</entry>
</row>
<row>
<entry>M_SQRTPI</entry>
<entry>1.77245385090551602729</entry>
<entry>wortel(pi) [4.0.2]</entry>
</row>
<row>
<entry>M_2_SQRTPI</entry>
<entry>1.12837916709551257390</entry>
<entry>2/wortel(pi)</entry>
</row>
<row>
<entry>M_SQRT2</entry>
<entry>1.41421356237309504880</entry>
<entry>wortel(2)</entry>
</row>
<row>
<entry>M_SQRT3</entry>
<entry>1.73205080756887729352</entry>
<entry>wortel(3) [4.0.2]</entry>
</row>
<row>
<entry>M_SQRT1_2</entry>
<entry>0.70710678118654752440</entry>
<entry>1/wortel(2)</entry>
</row>
<row>
<entry>M_LNPI</entry>
<entry>1.14472988584940017414</entry>
<entry>log_e(pi) [4.0.2]</entry>
</row>
<row>
<entry>M_EULER</entry>
<entry>0.57721566490153286061</entry>
<entry>Constante van Euler [4.0.2]</entry>
</row>
</tbody>
</tgroup>
</table>
Alleen M_PI is beschikbaar in alle versies van PHP tot en met PHP 4.0.0.
Alle andere constanten zijn beschikbaar vanaf PHP 4.0.0. Constanten met
[4.0.2] erbij zijn toegevoegd in PHP 4.0.2.
</para>
</section>
</section>
</partintro>
&reference.math.functions;
</reference>
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Index: phpdoc-nl/reference/math/functions/abs.xml
+++ phpdoc-nl/reference/math/functions/abs.xml
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- EN-Revision: 1.3 Maintainter: sander Status: ready -->
<refentry id="function.abs">
<refnamediv>
<refname>abs</refname>
<refpurpose>Absolute waarde</refpurpose>
</refnamediv>
<refsect1>
<title>Omschrijving</title>
<methodsynopsis>
<type>mixed</type><methodname>abs</methodname>
<methodparam><type>mixed</type><parameter>number</parameter></methodparam>
</methodsynopsis>
<para>
Geeft de absolute waarde van <parameter>number</parameter>. Als het
argument <parameter>number</parameter> een <type>float</type> is,
dan zal ook een <type>float</type> worden teruggegeven,
anders is het een <type>integer</type> (omdat <type>float</type>
normaliter een groter bereik heeft dan <type>integer</type>).
</para>
<example>
<title><function>abs</function> voorbeeld</title>
<programlisting role="php">
<![CDATA[
$abs = abs(-4.2); // $abs = 4.2; (double/float)
$abs2 = abs(5); // $abs2 = 5; (integer)
$abs3 = abs(-5); // $abs3 = 5; (integer)
]]>
</programlisting>
</example>
</refsect1>
</refentry>
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Index: phpdoc-nl/reference/math/functions/acos.xml
+++ phpdoc-nl/reference/math/functions/acos.xml
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- EN-Revision: 1.3 Maintainer: sander Status: ready -->
<refentry id="function.acos">
<refnamediv>
<refname>acos</refname>
<refpurpose>Arc cosinus</refpurpose>
</refnamediv>
<refsect1>
<title>Omschrijving</title>
<methodsynopsis>
<type>float</type><methodname>acos</methodname>
<methodparam><type>float</type><parameter>arg</parameter></methodparam>
</methodsynopsis>
<para>
Geeft de arc cosinus van <parameter>arg</parameter> in radialen.
<function>acos</function> is complementair met
<function>cos</function>, dat betekent dat
<literal>a==cos(acos(a))</literal> voor elke waarde van a die in het
bereik van <function>acos</function> valt.
</para>
<para>
Zie ook: <function>acosh</function>, <function>asin</function>
en <function>atan</function>.
</para>
</refsect1>
</refentry>
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Index: phpdoc-nl/reference/math/functions/asin.xml
+++ phpdoc-nl/reference/math/functions/asin.xml
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- EN-Revision: 1.3 Maintainer: sander Status: ready -->
<refentry id="function.asin">
<refnamediv>
<refname>asin</refname>
<refpurpose>Arc sinus</refpurpose>
</refnamediv>
<refsect1>
<title>Omschrijving</title>
<methodsynopsis>
<type>float</type><methodname>asin</methodname>
<methodparam><type>float</type><parameter>arg</parameter></methodparam>
</methodsynopsis>
<para>
Geeft de arc sinus van <parameter>arg</parameter> in radialen.
<function>asin</function> is complementair met
<function>sin</function>, dat betekent dat
<literal>a==sin(asin(a))</literal> voor elke waarde van a die in het
bereik van <function>asin</function> valt.
</para>
<para>
Zie ook: <function>asinh</function>, <function>acos</function>
en <function>atan</function>.
</para>
</refsect1>
</refentry>
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Index: phpdoc-nl/reference/math/functions/atan.xml
+++ phpdoc-nl/reference/math/functions/atan.xml
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- EN-Revision: 1.3 Maintainer: sander Status: ready -->
<refentry id="function.atan">
<refnamediv>
<refname>atan</refname>
<refpurpose>Arc tangens</refpurpose>
</refnamediv>
<refsect1>
<title>Omschrijving</title>
<methodsynopsis>
<type>float</type><methodname>atan</methodname>
<methodparam><type>float</type><parameter>arg</parameter></methodparam>
</methodsynopsis>
<para>
Geeft de arc tangens van <parameter>arg</parameter> in radialen.
<function>atan</function> is complementair met
<function>tan</function>, dat betekent dat
<literal>a==tan(atan(a))</literal> voor elke waarde van a die in het
bereik van <function>atan</function> valt.
</para>
<para>
Zie ook: <function>atanh</function>, <function>asin</function>
en <function>acos</function>.
</para>
</refsect1>
</refentry>
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Index: phpdoc-nl/reference/math/functions/base-convert.xml
+++ phpdoc-nl/reference/math/functions/base-convert.xml
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- EN-Revision: 1.2 Maintainer: sander Status: ready -->
<refentry id="function.base-convert">
<refnamediv>
<refname>base_convert</refname>
<refpurpose>Converteert een nummer tussen verschillende grondtallen</refpurpose>
</refnamediv>
<refsect1>
<title>Omschrijving</title>
<methodsynopsis>
<type>string</type><methodname>base_convert</methodname>
<methodparam><type>string</type><parameter>number</parameter></methodparam>
<methodparam><type>int</type><parameter>frombase</parameter></methodparam>
<methodparam><type>int</type><parameter>tobase</parameter></methodparam>
</methodsynopsis>
<para>
Geeft een string terug die <parameter>number</parameter> bevat
weergegeven en het grontal <parameter>tobase</parameter>. Het grondtal
waarin <parameter>number</parameter> wordt gegeven is gespecificeerd in
<parameter>frombase</parameter>. Zowel <parameter>frombase</parameter>
als <parameter>tobase</parameter> moeten groter dan 1 en kleiner dan 37
zijn.
Cijfers met in getallen met een grondtal hoger dan 10 zullen worden
weergegeven met de letters a-z, waarbij a waarde 10 heeft, b 11 en z 35.
<example>
<title><function>base_convert</function></title>
<programlisting role="php">
<![CDATA[
$binary = base_convert ($hexadecimal, 16, 2);
]]>
</programlisting>
</example>
</para>
</refsect1>
</refentry>
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Index: phpdoc-nl/reference/math/functions/bindec.xml
+++ phpdoc-nl/reference/math/functions/bindec.xml
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- EN-Revision: 1.3 Maintainer: sander Status: ready -->
<refentry id="function.bindec">
<refnamediv>
<refname>bindec</refname>
<refpurpose>Binair naar decimaal</refpurpose>
</refnamediv>
<refsect1>
<title>Omschrijving</title>
<methodsynopsis>
<type>int</type><methodname>bindec</methodname>
<methodparam><type>string</type><parameter>binary_string</parameter></methodparam>
</methodsynopsis>
<para>
Geeft de decimale waarde van het binaire nummer
<parameter>binary_string</parameter>.
</para>
<para>
<function>bindec</function> converteert een binair nummer naar een
<type>integer</type>. Het grootste getal dat kan worden geconverteerd
is 31 bits van enen of 2147483647 in decimale weergave.
</para>
<para>
Zie ook: <function>decbin</function>.
</para>
</refsect1>
</refentry>
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Index: phpdoc-nl/reference/math/functions/ceil.xml
+++ phpdoc-nl/reference/math/functions/ceil.xml
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- EN-Revision: 1.4 Maintainer: sander Status: ready -->
<refentry id="function.ceil">
<refnamediv>
<refname>ceil</refname>
<refpurpose>Rond af naar boven</refpurpose>
</refnamediv>
<refsect1>
<title>Omschrijving</title>
<methodsynopsis>
<type>float</type><methodname>ceil</methodname>
<methodparam><type>float</type><parameter>value</parameter></methodparam>
</methodsynopsis>
<simpara>
Geeft de volgende hogere integer waarde terug door
<parameter>value</parameter> af te ronden naar boven, als dat nodig is.
Het type van de geretourneerde waarde is nog steeds een
<type>float</type> omdat het beriek van <type>float</type> normaliter
groter is dan dat van <type>integer</type>.
</simpara>
<example>
<title><function>ceil</function> voorbeeld</title>
<programlisting role="php">
<![CDATA[
echo ceil(4.3); // 5
echo ceil(9.999); // 10
]]>
</programlisting>
</example>
<simpara>
Zie ook: <function>floor</function> en
<function>round</function>.
</simpara>
</refsect1>
</refentry>
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Index: phpdoc-nl/reference/math/functions/cos.xml
+++ phpdoc-nl/reference/math/functions/cos.xml
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- EN-Revision: 1.3 Maintainer: sander Status: ready -->
<refentry id="function.cos">
<refnamediv>
<refname>cos</refname>
<refpurpose>Cosinus</refpurpose>
</refnamediv>
<refsect1>
<title>Omschrijving</title>
<methodsynopsis>
<type>float</type><methodname>cos</methodname>
<methodparam><type>float</type><parameter>arg</parameter></methodparam>
</methodsynopsis>
<para>
Geeft de cosinus van de <parameter>arg</parameter> parameter. De
<parameter>arg</parameter> parameter is in radialen.
</para>
<para>
Zie ook: <function>acos</function>, <function>sin</function>,
<function>tan</function> en <function>deg2rad</function>.
</para>
</refsect1>
</refentry>
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Index: phpdoc-nl/reference/math/functions/decbin.xml
+++ phpdoc-nl/reference/math/functions/decbin.xml
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- EN-Revision: 1.3 Maintainer: sander Status: ready -->
<refentry id="function.decbin">
<refnamediv>
<refname>decbin</refname>
<refpurpose>Decimaal naar binair</refpurpose>
</refnamediv>
<refsect1>
<title>Omschrijving</title>
<methodsynopsis>
<type>string</type><methodname>decbin</methodname>
<methodparam><type>int</type><parameter>number</parameter></methodparam>
</methodsynopsis>
<para>
Geeft een string terug met een binaire weergeaven van het gegeven
<parameter>nummer</parameter> Het grootste getal dat kan worden geconverteerd
is 4294967295 dat resulteert in een string van 32 enen.
is 31 bits van één-en of 2147483647 in decimale weergave.
</para>
<para>
Zie ook: <function>bindec</function>.
</para>
</refsect1>
</refentry>
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Index: phpdoc-nl/reference/math/functions/decoct.xml
+++ phpdoc-nl/reference/math/functions/decoct.xml
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- EN-Revision: 1.3 Maintainer: sander Status: ready -->
<refentry id="function.decoct">
<refnamediv>
<refname>decoct</refname>
<refpurpose>Decimaal naar octaal</refpurpose>
</refnamediv>
<refsect1>
<title>Omschrijving</title>
<methodsynopsis>
<type>string</type><methodname>decoct</methodname>
<methodparam><type>int</type><parameter>number</parameter></methodparam>
</methodsynopsis>
<para>
Geeft een string terug die een octale weergave bevat van het
<parameter>number</parameter> argument. Het grootste getal dat
kan worden geconverteert is 2147483647 in decimale weergave
resulterend in "17777777777".
</para>
<para>
Zie ook: <function>octdec</function>.
</para>
</refsect1>
</refentry>
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Index: phpdoc-nl/reference/math/functions/deg2rad.xml
+++ phpdoc-nl/reference/math/functions/deg2rad.xml
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- EN-Revision: 1.2 Maintainer: sander Status: ready -->
<refentry id="function.deg2rad">
<refnamediv>
<refname>deg2rad</refname>
<refpurpose>
Converteer een getal van graden naar radialen
</refpurpose>
</refnamediv>
<refsect1>
<title>Omschrijving</title>
<methodsynopsis>
<type>float</type><methodname>deg2rad</methodname>
<methodparam><type>float</type><parameter>number</parameter></methodparam>
</methodsynopsis>
<para>
Deze functie converteert <parameter>number</parameter> van graden naar
radialen.
</para>
<para>
Zie ook: <function>rad2deg</function>.
</para>
</refsect1>
</refentry>
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Index: phpdoc-nl/reference/math/functions/exp.xml
+++ phpdoc-nl/reference/math/functions/exp.xml
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- EN-Revision: 1.2 Maintainer: sander Status: ready -->
<refentry id="function.exp">
<refnamediv>
<refname>exp</refname>
<refpurpose>verhef e tot de ...e macht</refpurpose>
</refnamediv>
<refsect1>
<title>Omschrijving</title>
<methodsynopsis>
<type>float</type><methodname>exp</methodname>
<methodparam><type>float</type><parameter>arg</parameter></methodparam>
</methodsynopsis>
<para>
Geeft de <parameter>arg</parameter>e macht van e terug.
</para>
<para>
Zie ook: <function>pow</function>.
</para>
</refsect1>
</refentry>
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Index: phpdoc-nl/reference/math/functions/floor.xml
+++ phpdoc-nl/reference/math/functions/floor.xml
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- EN-Revision: 1.4 Maintainer: sander Status: ready -->
<refentry id="function.floor">
<refnamediv>
<refname>floor</refname>
<refpurpose>Rond af naar beneden</refpurpose>
</refnamediv>
<refsect1>
<title>Omschrijving</title>
<methodsynopsis>
<type>float</type><methodname>floor</methodname>
<methodparam><type>float</type><parameter>value</parameter></methodparam>
</methodsynopsis>
<simpara>
Geeft de volgende lagere integer waarde terug door
<parameter>value</parameter> af te ronden naar beneden, als dat nodig is.
Het type van de geretourneerde waarde is nog steeds een
<type>float</type> omdat het beriek van <type>float</type> normaliter
groter is dan dat van <type>integer</type>.
</simpara>
<example>
<title><function>floor</function> voorbeeld</title>
<programlisting role="php">
<![CDATA[
echo floor(4.3); // 4
echo floor(9.999); // 9
]]>
</programlisting>
</example>
<simpara>
Zie ook: <function>ceil</function> en
<function>round</function>.
</simpara>
</refsect1>
</refentry>
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Index: phpdoc-nl/reference/math/functions/hypot.xml
+++ phpdoc-nl/reference/math/functions/hypot.xml
<?xml version="1.0" encoding="iso-8859-1"?>
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<refentry id='function.hypot'>
<refnamediv>
<refname>hypot</refname>
<refpurpose>
Geeft de wortel( num1*num1 + num2*num2)
</refpurpose>
</refnamediv>
<refsect1>
<title>Omschrijving</title>
<methodsynopsis>
<type>float</type><methodname>hypot</methodname>
<methodparam><type>float</type><parameter>num1</parameter></methodparam>
<methodparam><type>float</type><parameter>num2</parameter></methodparam>
</methodsynopsis>
&warn.experimental.func;
<para>
&warn.undocumented.func;
</para>
</refsect1>
</refentry>
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Index: phpdoc-nl/reference/math/functions/is-nan.xml
+++ phpdoc-nl/reference/math/functions/is-nan.xml
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- EN-Revision: 1.2 Maintainer: sander Status: ready -->
<refentry id='function.is-nan'>
<refnamediv>
<refname>is_nan</refname>
<refpurpose>
</refpurpose>
</refnamediv>
<refsect1>
<title>Omschrijving</title>
<methodsynopsis>
<type>bool</type><methodname>is_nan</methodname>
<methodparam><type>float</type><parameter>val</parameter></methodparam>
</methodsynopsis>
<para>
Geeft &true; als <parameter>val</parameter> 'geen getal' is,
zoals de uitkomst van <literal>acos(1.01)</literal>.
</para>
</refsect1>
</refentry>
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Index: phpdoc-nl/reference/math/functions/octdec.xml
+++ phpdoc-nl/reference/math/functions/octdec.xml
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- EN-Revision: 1.2 Maintainer: sander Status: ready -->
<refentry id="function.octdec">
<refnamediv>
<refname>octdec</refname>
<refpurpose>Octaal naar decimaal</refpurpose>
</refnamediv>
<refsect1>
<title>Omschrijving</title>
<methodsynopsis>
<type>int</type><methodname>octdec</methodname>
<methodparam><type>string</type><parameter>octal_string</parameter></methodparam>
</methodsynopsis>
<para>
Geeft de decimale waarde van het octale nummer weergegven
door het <parameter>octal_string</parameter> argument.
Het grootste getal dat kan worden geconverteert 17777777777 of 2147483647 in
decimale weergave.
</para>
<para>
Zie ook: <function>decoct</function>.
</para>
</refsect1>
</refentry>
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Index: phpdoc-nl/reference/math/functions/pi.xml
+++ phpdoc-nl/reference/math/functions/pi.xml
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- EN-Revision: 1.2 Maintainer: sander Status: ready -->
<refentry id="function.pi">
<refnamediv>
<refname>pi</refname>
<refpurpose>Verkrijg de waarde van pi</refpurpose>
</refnamediv>
<refsect1>
<title>Omschrijving</title>
<methodsynopsis>
<type>float</type><methodname>pi</methodname>
<void/>
</methodsynopsis>
<simpara>
Geeft een benadering van pi terug. De teruggegeven waarde <type>float</type>
heeft het aantal decimalen als voorgeschreven door de
<link linkend="ini.precision">precision</link> optie in
&php.ini;, die standaard op <literal>14</literal> staat.
Je kan ook de constante <constant>M_PI</constant> gebruiken die exact
dezelfde resultaten als <function>pi</function> oplevert.
</simpara>
<para>
<informalexample>
<programlisting>
<![CDATA[
echo pi(); // 3.1415926535898
echo M_PI; // 3.1415926535898
]]>
</programlisting>
</informalexample>
</para>
</refsect1>
</refentry>
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Index: phpdoc-nl/reference/math/functions/pow.xml
+++ phpdoc-nl/reference/math/functions/pow.xml
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- EN-Revision: 1.2 Maintainer: sander Status: ready -->
<refentry id="function.pow">
<refnamediv>
<refname>pow</refname>
<refpurpose>Machtsverheffing</refpurpose>
</refnamediv>
<refsect1>
<title>Omschrijving</title>
<methodsynopsis>
<type>number</type><methodname>pow</methodname>
<methodparam><type>number</type><parameter>base</parameter></methodparam>
<methodparam><type>number</type><parameter>exp</parameter></methodparam>
</methodsynopsis>
<para>
Geeft de <parameter>exp</parameter>e macht van
<parameter>base</parameter> terug. Als dat mogelijk is zal deze functie
een <type>integer</type> teruggeven.
</para>
<para>
Als de machtsverheffing niet kan worden berekend zal er een waarschuwing
worden weergegeven en zal <function>pow</function> &false; teruggeven.
</para>
<example>
<title>Een paar voorbeelden van <function>pow</function></title>
<programlisting role="php">
<![CDATA[
<?php
var_dump( pow(2,8) ); // int(256)
echo pow(-1,20); // 1
echo pow(0, 0); // 1
echo pow(-1, 5.5); // error
?>
]]>
</programlisting>
</example>
<warning>
<para>
In PHP 4.0.6 en ouder gaf <function>pow</function> altijd een
<type>float</type> en gaf het nooit waarschuwingen.
</para>
</warning>
<para>
Zie ook: <function>exp</function> en <function>sqrt</function>.
</para>
</refsect1>
</refentry>
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Index: phpdoc-nl/reference/math/functions/rad2deg.xml
+++ phpdoc-nl/reference/math/functions/rad2deg.xml
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- EN-Revision: 1.2 Maintainer: sander Status: ready -->
<refentry id="function.rad2deg">
<refnamediv>
<refname>rad2deg</refname>
<refpurpose>
Converteer een getal van radialen naar graden
</refpurpose>
</refnamediv>
<refsect1>
<title>Omschrijving</title>
<methodsynopsis>
<type>float</type><methodname>rad2deg</methodname>
<methodparam><type>float</type><parameter>number</parameter></methodparam>
</methodsynopsis>
<para>
Deze functie converteert <parameter>number</parameter> van radialen naar
graden.
</para>
<para>
Zie ook: <function>deg2rad</function>.
</para>
</refsect1>
</refentry>
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Index: phpdoc-nl/reference/math/functions/sin.xml
+++ phpdoc-nl/reference/math/functions/sin.xml
<?xml version="1.0" encoding="iso-8859-1"?>
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<refentry id="function.sin">
<refnamediv>
<refname>sin</refname>
<refpurpose>Sinus</refpurpose>
</refnamediv>
<refsect1>
<title>Omschrijving</title>
<methodsynopsis>
<type>float</type><methodname>sin</methodname>
<methodparam><type>float</type><parameter>arg</parameter></methodparam>
</methodsynopsis>
<para>
Geeft de sinus van de <parameter>arg</parameter> parameter. De
<parameter>arg</parameter> parameter is in radialen.
</para>
<para>
<informalexample>
<programlisting>
<![CDATA[
<?php
// Het aantal decimalen hangt af van je precision instelling
print sin(deg2rad(60)); // 0.866025403 ...
print sin(60); // -0.304810621 ...
?>
]]>
</programlisting>
</informalexample>
</para>
<para>
Zie ook: <function>asin</function>, <function>cos</function>,
<function>tan</function> en <function>deg2rad</function>.
</para>
</refsect1>
</refentry>
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Index: phpdoc-nl/reference/math/functions/sqrt.xml
+++ phpdoc-nl/reference/math/functions/sqrt.xml
<?xml version="1.0" encoding="iso-8859-1"?>
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<refentry id="function.sqrt">
<refnamediv>
<refname>sqrt</refname>
<refpurpose>Worteltrekken</refpurpose>
</refnamediv>
<refsect1>
<title>Omschrijving</title>
<methodsynopsis>
<type>float</type><methodname>sqrt</methodname>
<methodparam><type>float</type><parameter>arg</parameter></methodparam>
</methodsynopsis>
<para>
Geeft de tweedemachts wortel van <parameter>arg</parameter> terug.
</para>
<para>
<informalexample>
<programlisting>
<![CDATA[
<?php
// Precision depends on your precision directive
echo sqrt(9); // 3
echo sqrt(10); // 3.16227766 ...
?>
]]>
</programlisting>
</informalexample>
</para>
<para>
Zie ook: <function>pow</function>.
</para>
</refsect1>
</refentry>
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Index: phpdoc-nl/reference/math/functions/tan.xml
+++ phpdoc-nl/reference/math/functions/tan.xml
<?xml version="1.0" encoding="iso-8859-1"?>
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<refentry id="function.tan">
<refnamediv>
<refname>tan</refname>
<refpurpose>Tangens</refpurpose>
</refnamediv>
<refsect1>
<title>Omschrijving</title>
<methodsynopsis>
<type>float</type><methodname>tan</methodname>
<methodparam><type>float</type><parameter>arg</parameter></methodparam>
</methodsynopsis>
<para>
Geeft de tangens van de <parameter>arg</parameter> parameter. De
<parameter>arg</parameter> parameter is in radialen.
</para>
<para>
Zie ook <function>atan</function>, <function>sin</function>,
<function>cos</function> en <function>deg2rad</function>
</para>
</refsect1>
</refentry>
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