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

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

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>gmp_div_q</H1
><DIV
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><A
NAME="AEN64301"
></A
><P
>    (PHP 4 &#62;= 4.0.4, PHP 5)</P
>gmp_div_q&nbsp;--&nbsp;Divide numbers</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN64304"
></A
><H2
>Description</H2
>resource <B
CLASS="methodname"
>gmp_div_q</B
> ( resource a, resource b [, int round] )<BR
></BR
><P
>&#13;     Divides <CODE
CLASS="parameter"
>a</CODE
> by <CODE
CLASS="parameter"
>b</CODE
> and
     returns the integer result. The result rounding is defined by the
     <CODE
CLASS="parameter"
>round</CODE
>, which can have the following
     values:
     <P
></P
><UL
><LI
><P
>&#13;        <CODE
CLASS="parameter"
>GMP_ROUND_ZERO</CODE
>: The result is truncated
        towards 0.
       </P
></LI
><LI
><P
>&#13;        <CODE
CLASS="parameter"
>GMP_ROUND_PLUSINF</CODE
>: The result is
        rounded towards <TT
CLASS="literal"
>+infinity</TT
>.
       </P
></LI
><LI
><P
>&#13;        <CODE
CLASS="parameter"
>GMP_ROUND_MINUSINF</CODE
>: The result is
        rounded towards <TT
CLASS="literal"
>-infinity</TT
>.
       </P
></LI
></UL
>
    </P
><P
>&#13;     This function can also be called as <A
HREF="function.gmp-div.html"
><B
CLASS="function"
>gmp_div()</B
></A
>.
    </P
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><B
>例 1. <B
CLASS="function"
>gmp_div_q()</B
> example</B
></P
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$div1 </font><font color="#007700">= </font><font color="#0000BB">gmp_div_q</font><font color="#007700">(</font><font color="#DD0000">"100"</font><font color="#007700">, </font><font color="#DD0000">"5"</font><font color="#007700">);<br />echo </font><font color="#0000BB">gmp_strval</font><font color="#007700">(</font><font color="#0000BB">$div1</font><font color="#007700">) . </font><font color="#DD0000">"\n"</font><font color="#007700">;<br /><br /></font><font color="#0000BB">$div2 </font><font color="#007700">= </font><font color="#0000BB">gmp_div_q</font><font color="#007700">(</font><font color="#DD0000">"1"</font><font color="#007700">, </font><font color="#DD0000">"3"</font><font color="#007700">);<br />echo </font><font color="#0000BB">gmp_strval</font><font color="#007700">(</font><font color="#0000BB">$div2</font><font color="#007700">) . </font><font color="#DD0000">"\n"</font><font color="#007700">;<br /><br /></font><font color="#0000BB">$div3 </font><font color="#007700">= </font><font color="#0000BB">gmp_div_q</font><font color="#007700">(</font><font color="#DD0000">"1"</font><font color="#007700">, </font><font color="#DD0000">"3"</font><font color="#007700">, </font><font color="#0000BB">GMP_ROUND_PLUSINF</font><font color="#007700">);<br />echo </font><font color="#0000BB">gmp_strval</font><font color="#007700">(</font><font color="#0000BB">$div3</font><font color="#007700">) . </font><font color="#DD0000">"\n"</font><font color="#007700">;<br /><br /></font><font color="#0000BB">$div4 </font><font color="#007700">= </font><font color="#0000BB">gmp_div_q</font><font color="#007700">(</font><font color="#DD0000">"-1"</font><font color="#007700">, </font><font color="#DD0000">"4"</font><font color="#007700">, </font><font color="#0000BB">GMP_ROUND_PLUSINF</font><font color="#007700">);<br />echo </font><font color="#0000BB">gmp_strval</font><font color="#007700">(</font><font color="#0000BB">$div4</font><font color="#007700">) . </font><font color="#DD0000">"\n"</font><font color="#007700">;<br /><br /></font><font color="#0000BB">$div5 </font><font color="#007700">= </font><font color="#0000BB">gmp_div_q</font><font color="#007700">(</font><font color="#DD0000">"-1"</font><font color="#007700">, </font><font color="#DD0000">"4"</font><font color="#007700">, </font><font color="#0000BB">GMP_ROUND_MINUSINF</font><font color="#007700">);<br />echo </font><font color="#0000BB">gmp_strval</font><font color="#007700">(</font><font color="#0000BB">$div5</font><font color="#007700">) . </font><font color="#DD0000">"\n"</font><font color="#007700">;<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
></TR
></TABLE
><P
>&#13;      The printout of the above program will be:
     </P
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><PRE
CLASS="screen"
>20
0
1
0
-1</PRE
></TD
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><P
>&#13;     See also <A
HREF="function.gmp-div-r.html"
><B
CLASS="function"
>gmp_div_r()</B
></A
>,
     <A
HREF="function.gmp-div-qr.html"
><B
CLASS="function"
>gmp_div_qr()</B
></A
>
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