fix #25751

added bcpow and gmp_pow to see also


git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@152098 c90b9560-bf6c-de11-be94-00142212c4b1

reference/math/functions/pow.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.4 $ -->
+<!-- $Revision: 1.5 $ -->
 <!-- splitted from ./en/functions/math.xml, last change in rev 1.2 -->
   <refentry id="function.pow">
    <refnamediv>
@@ -20,8 +20,14 @@
     </para>
     <para>
      If the power cannot be computed, a warning will be issued,
-     and <function>pow</function> will return &false;.
+     and <function>pow</function> will return &false;. Since PHP 4.2.0
+     <function>pow</function> doesn't not issue any warning.
     </para>
+    <note>
+     <para>
+      PHP cannot handle negative <parameter>base</parameter>s.
+     </para>
+    </note>
     <example>
      <title>Some examples of <function>pow</function></title>
      <programlisting role="php">
@@ -45,7 +51,8 @@ echo pow(-1, 5.5); // error
      </para>
     </warning>
     <para> 
-     See also <function>exp</function> and <function>sqrt</function>.
+     See also <function>exp</function>, <function>sqrt</function>,
+     <function>bcpow</function> and <function>gmp_pow</function>,
     </para>
    </refsect1>
   </refentry>