Sophie: php-manual-pt_BR-5.2.4-1mdv2008.1 noarch

php-manual-pt_BR-5.2.4-1mdv2008.1.noarch.rpm

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>bcpowmod</H1
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><P
>    (PHP 5)</P
>bcpowmod&nbsp;--&nbsp;
     Aumenta um nÃºmero de precisÃ£o arbitrÃ¡ria para outro, reduzido por um mÃ³dulo especificado
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>DescriÃ§Ã£o</H2
>string <B
CLASS="methodname"
>bcpowmod</B
> ( string x, string y, string modulus [, int scale] )<BR
></BR
><P
>&#13;     Use o mÃ©todo de exponenciaÃ§Ã£o rÃ¡pida para aumentar <CODE
CLASS="parameter"
>x</CODE
>
     para a potÃªncia <CODE
CLASS="parameter"
>y</CODE
> com respeito ao mÃ³dulo
     <CODE
CLASS="parameter"
>modulus</CODE
>.  O parÃ¢metro opcional
     <CODE
CLASS="parameter"
>scale</CODE
> pode ser usado para definir o nÃºmero
     de digitos apÃ³s a parte decimal no resultado.
    </P
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><B
>Nota: </B
>
      Por que esse mÃ©todo usa a operaÃ§Ã£o de mÃ³dulo, nÃºmeros nÃ£o-naturais
      pode dar resultados inexperados. Um nÃºmero natural Ã© qualquer inteiro
      positivo diferente de zero.
     </P
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>Exemplos</H2
><P
>&#13;     Se seguintes instruÃ§Ãµes tÃªm funcionalidades idÃªnticas. A versÃ£o
     <B
CLASS="function"
>bcpowmod()</B
>, no entanto, executa em
     menos tempo e pode aceitar parÃ¢metros maiores.
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$a </font><font color="#007700">= </font><font color="#0000BB">bcpowmod</font><font color="#007700">(</font><font color="#0000BB">$x</font><font color="#007700">, </font><font color="#0000BB">$y</font><font color="#007700">, </font><font color="#0000BB">$mod</font><font color="#007700">);<br /><br /></font><font color="#0000BB">$b </font><font color="#007700">= </font><font color="#0000BB">bcmod</font><font color="#007700">(</font><font color="#0000BB">bcpow</font><font color="#007700">(</font><font color="#0000BB">$x</font><font color="#007700">, </font><font color="#0000BB">$y</font><font color="#007700">), </font><font color="#0000BB">$mod</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// $a and $b are equal to each other.<br /><br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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>
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><H2
>Veja também</H2
><P
>&#13;     <A
HREF="function.bcpow.html"
><B
CLASS="function"
>bcpow()</B
></A
> e
     <A
HREF="function.bcmod.html"
><B
CLASS="function"
>bcmod()</B
></A
>.
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