Sync gmp-clrbit with EN (#115)

Author: DavidePastore

reference/gmp/functions/gmp-clrbit.xml

@@ -1,27 +1,101 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-clrbit' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-clrbit" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_clrbit</refname>
-    <refpurpose>Pulisce bit</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>resource</type><methodname>gmp_clrbit</methodname>
-      <methodparam><type>resource</type><parameter>&amp;a</parameter></methodparam>
-      <methodparam><type>int</type><parameter>index</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Ripulisce (imposta a 0) il bit <parameter>index</parameter> in
-     <parameter>a</parameter>.
-    </para>
-   </refsect1>
-  </refentry>
+<?xml version="1.0" encoding="utf-8"?>
+<!-- EN-Revision: f38aa0ef2ec36f425ebb18c8978a4e19cf6e5017 Maintainer: pastore Status: ready -->
+<!-- CREDITS: calandra -->
+<refentry xml:id="function.gmp-clrbit" xmlns="http://docbook.org/ns/docbook">
+ <refnamediv>
+  <refname>gmp_clrbit</refname>
+  <refpurpose>Azzera un bit</refpurpose>
+ </refnamediv>
 
+ <refsect1 role="description">
+  &reftitle.description;
+  <methodsynopsis>
+   <type>void</type><methodname>gmp_clrbit</methodname>
+   <methodparam><type>GMP</type><parameter>num</parameter></methodparam>
+   <methodparam><type>int</type><parameter>index</parameter></methodparam>
+  </methodsynopsis>
+  <para>
+   Azzera (imposta a 0) il bit <parameter>index</parameter> in
+   <parameter>num</parameter>. L'indice inizia da 0.
+  </para>
+ </refsect1>
+
+ <refsect1 role="parameters">
+  &reftitle.parameters;
+  <para>
+   <variablelist>
+    <varlistentry>
+     <term><parameter>num</parameter></term>
+     <listitem>
+      <para>
+       Un oggetto <classname>GMP</classname>.
+      </para>
+     </listitem>
+    </varlistentry>
+    <varlistentry>
+     <term><parameter>index</parameter></term>
+     <listitem>
+      <para>
+       L'indice del bit da azzerare. L'indice 0 rappresenta il bit meno significativo.
+      </para>
+     </listitem>
+    </varlistentry>
+   </variablelist>
+  </para>
+ </refsect1>
+
+ <refsect1 role="returnvalues">
+  &reftitle.returnvalues;
+  <para>
+   &return.void;
+  </para>
+ </refsect1>
+
+ <refsect1 role="examples">
+  &reftitle.examples;
+  <example>
+   <title>Esempio di <function>gmp_clrbit</function></title>
+   <programlisting role="php">
+<![CDATA[
+<?php
+$a = gmp_init("0xff");
+gmp_clrbit($a, 0); // l'indice parte da 0, bit meno significativo
+echo gmp_strval($a) . "\n";
+?>
+]]>
+   </programlisting>
+   &example.outputs;
+   <screen>
+<![CDATA[
+254
+]]>
+   </screen>
+  </example>
+ </refsect1>
+
+ <refsect1 role="notes">
+  &reftitle.notes;
+  <note>
+   <para>
+    A differenza della maggior parte delle altre funzioni GMP, <function>gmp_clrbit</function>
+    deve essere chiamata con un oggetto GMP già esistente (utilizzando
+    <function>gmp_init</function>, per esempio). Non verrà
+    creato automaticamente.
+   </para>
+  </note>
+ </refsect1>
+
+ <refsect1 role="seealso">
+  &reftitle.seealso;
+  <para>
+   <simplelist>
+    <member><function>gmp_setbit</function></member>
+    <member><function>gmp_testbit</function></member>
+   </simplelist>
+  </para>
+ </refsect1>
+
+</refentry>
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