archived-doc-es/reference/bc/bcmath/number/mod.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- EN-Revision: c7e83fbbbcde9f54affc09424d032c38492a3ff4 Maintainer: PhilDaiguille Status: ready -->
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<refentry xml:id="bcmath-number.mod" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xi="http://www.w3.org/2001/XInclude">
 <refnamediv>
  <refname>BcMath\Number::mod</refname>
  <refpurpose>Devuelve el módulo de un número de precisión arbitraria</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis role="BcMath\\Number">
   <modifier>public</modifier> <type>BcMath\Number</type><methodname>BcMath\Number::mod</methodname>
   <methodparam><type class="union"><type>BcMath\Number</type><type>string</type><type>int</type></type><parameter>num</parameter></methodparam>
   <methodparam choice="opt"><type class="union"><type>int</type><type>null</type></type><parameter>scale</parameter><initializer>&null;</initializer></methodparam>
  </methodsynopsis>
  <simpara>
   Devuelve el resto de la división de <varname>$this</varname> por <parameter>num</parameter>.
   Excepto si <parameter>num</parameter> es <literal>0</literal>, el resultado tiene el mismo signo
   que <varname>$this</varname>.
  </simpara>
 </refsect1>

 <!-- parameters -->
 <xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('bcmath-number.div')/db:refsect1[@role='parameters'])" />

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <simpara>
   Devuelve el módulo en forma de un nuevo objeto <classname>BcMath\Number</classname>.
  </simpara>
  <simpara>
   Cuando el <property>BcMath\Number::scale</property> del resultado se define automáticamente,
   se utiliza el mayor <property>BcMath\Number::scale</property> de los dos números utilizados para la operación de módulo.
  </simpara>
  <!-- Auto scale example -->
  <xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('bcmath-number.add')/db:refsect1[@role='returnvalues']/db:simpara[3])" />
 </refsect1>

 <refsect1 role="errors">
  &reftitle.errors;
  <!-- ValueError cases -->
  <xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('bcmath-number.add')/db:refsect1[@role='errors']/db:para[1])" />
  <!-- The DivisionByZeroError case -->
  <xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('bcmath-number.div')/db:refsect1[@role='errors']/db:simpara[1])" />
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <example>
   <title>Ejemplo de <methodname>BcMath\Number::mod</methodname> cuando <parameter>scale</parameter> no está especificado</title>
   <programlisting role="php">
<![CDATA[
<?php
$number = new BcMath\Number('8.3');

$ret1 = $number->mod(new BcMath\Number('2.22'));
$ret2 = $number->mod('8.3');
$ret3 = $number->mod(-5);

var_dump($number, $ret1, $ret2, $ret3);
?>
]]>
   </programlisting>
   &example.outputs;
   <screen>
<![CDATA[
object(BcMath\Number)#1 (2) {
  ["value"]=>
  string(3) "8.3"
  ["scale"]=>
  int(1)
}
object(BcMath\Number)#3 (2) {
  ["value"]=>
  string(4) "1.64"
  ["scale"]=>
  int(2)
}
object(BcMath\Number)#2 (2) {
  ["value"]=>
  string(3) "0.0"
  ["scale"]=>
  int(1)
}
object(BcMath\Number)#4 (2) {
  ["value"]=>
  string(3) "3.3"
  ["scale"]=>
  int(1)
}
]]>
   </screen>
  </example>

  <example>
   <title>Ejemplo de <methodname>BcMath\Number::mod</methodname> definiendo <parameter>scale</parameter> explícitamente</title>
   <programlisting role="php">
<![CDATA[
<?php
$number = new BcMath\Number('8.3');

$ret1 = $number->mod(new BcMath\Number('2.22'), 1);
$ret2 = $number->mod('8.3', 3);
$ret3 = $number->mod(-5, 0);

var_dump($number, $ret1, $ret2, $ret3);
?>
]]>
   </programlisting>
   &example.outputs;
   <screen>
<![CDATA[
object(BcMath\Number)#1 (2) {
  ["value"]=>
  string(3) "8.3"
  ["scale"]=>
  int(1)
}
object(BcMath\Number)#3 (2) {
  ["value"]=>
  string(3) "1.6"
  ["scale"]=>
  int(1)
}
object(BcMath\Number)#2 (2) {
  ["value"]=>
  string(5) "0.000"
  ["scale"]=>
  int(3)
}
object(BcMath\Number)#4 (2) {
  ["value"]=>
  string(1) "3"
  ["scale"]=>
  int(0)
}
]]>
   </screen>
  </example>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <simplelist>
   <member><function>bcmod</function></member>
   <member><methodname>BcMath\Number::div</methodname></member>
   <member><methodname>BcMath\Number::divmod</methodname></member>
   <member><methodname>BcMath\Number::powmod</methodname></member>
  </simplelist>
 </refsect1>

</refentry>
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