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added missing functions deg2rad, rad2deg

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@22610 c90b9560-bf6c-de11-be94-00142212c4b1
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Hartmut Holzgraefe 2000-04-09 11:28:05 +00:00
parent 91594fa9bf
commit e4f91bc8db
1 changed files with 112 additions and 6 deletions
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118
functions/math.xml
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@ -26,14 +26,76 @@
</row>
</thead>
<tbody>
<row>
<entry>M_PI</entry>
<entry>3.14159265358979323846</entry>
<entry>The value of ¶ (pi)</entry>
</row>
<row>
<entry>M_PI</entry>
<entry>3.14159265358979323846</entry>
<entry>Der Wert &pi; (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_2_SQRTPI</entry>
<entry>1.12837916709551257390</entry>
<entry>2/sqrt(pi)</entry>
</row>
<row>
<entry>M_SQRT2</entry>
<entry>1.41421356237309504880</entry>
<entry>sqrt(2)</entry>
</row>
<row>
<entry>M_SQRT1_2</entry>
<entry>0.70710678118654752440</entry>
<entry>1/sqrt(2)</entry>
</row>
</tbody>
</tgroup>
</table>
Only M_PI is available in PHP versions up to and including PHP4RC1.
All other constants are available starting with PHP4.0.
</para>
</sect2>
</sect1>
@ -115,7 +177,7 @@
Returns the arc tangent of arg in radians.</para>
<para>
See also <function>acos</function> and <function>atan</function>.</para>
See also <function>asin</function> and <function>acos</function>.</para>
</refsect1>
</refentry>
@ -322,6 +384,28 @@ $binary = base_convert($hexadecimal, 16, 2);
</refentry>
<refentry id="function.deg2rad">
<refnamediv>
<refname>deg2rad</refname>
<refpurpose>Converts the number in degrees to the radian equivalent</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<funcsynopsis>
<funcdef>double <function>deg2rad</function></funcdef>
<paramdef>double <parameter>number</parameter></paramdef>
</funcsynopsis>
<para>
This function converts <parameter>number</parameter> from degrees to
the radian equivalent.
</para>
<para>
See also <function>rad2deg</function>.
</para>
</refsect1>
</refentry>
<refentry id="function.exp">
<refnamediv>
<refname>Exp</refname>
@ -745,6 +829,28 @@ $randval = mt_rand();
</refentry>
<refentry id="function.rad2deg">
<refnamediv>
<refname>rad2deg</refname>
<refpurpose>Converts the radian number to the equivalent number in degrees</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<funcsynopsis>
<funcdef>double <function>rad2deg</function></funcdef>
<paramdef>double <parameter>number</parameter></paramdef>
</funcsynopsis>
<para>
This function converts <parameter>number</parameter> from
radian to degrees.
</para>
<para>
See also <function>deg2rad</function>.
</para>
</refsect1>
</refentry>
<refentry id="function.rand">
<refnamediv>
<refname>rand</refname>