php-doc-en/reference/trader/ini.xml

<?xml version="1.0" encoding="utf-8"?>
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<section xml:id="trader.configuration" xmlns="http://docbook.org/ns/docbook">
 &reftitle.runtime;
 &extension.runtime;
 <para>
  <table>
   <title>Trader &ConfigureOptions;</title>
   <tgroup cols="4">
    <thead>
     <row>
      <entry>&Name;</entry>
      <entry>&Default;</entry>
      <entry>&Changeable;</entry>
      <entry>&Changelog;</entry>
     </row>
    </thead>
    <tbody>
     <row>
      <entry><link linkend="ini.trader.real-precision">trader.real_precision</link></entry>
      <entry>3</entry>
      <entry>PHP_INI_ALL</entry>
      <entry>Since trader 0.2.1</entry>
     </row>
     <row>
      <entry><link linkend="ini.trader.real-round-mode">trader.real_round_mode</link></entry>
      <entry>HALF_DOWN</entry>
      <entry>PHP_INI_ALL</entry>
      <entry>Since trader 0.3.0</entry>
     </row>
    </tbody>
   </tgroup>
  </table>
 </para>

 &ini.descriptions.title;

 <para>
  <variablelist>
   <varlistentry xml:id="ini.trader.real-precision">
     <term>
      <parameter>trader.real_precision</parameter>
      <type>integer</type>
     </term>
     <listitem>
      <para>
      All the values in the returned arrays will be rounded to this precision.
      However the calculations inside TA-Lib happen with unrounded values.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry xml:id="ini.trader.real-round-mode">
      <term>
       <parameter>trader.real_round_mode</parameter>
       <type>string</type>
      </term>
      <listitem>
       <para>
        Controls the trader real rounding policy. Valid values are <literal>HALF_UP</literal>,
        <literal>HALF_DOWN</literal>, <literal>HALF_EVEN</literal> and <literal>HALF_ODD</literal>. The behaviour is identical to the <link linkend="function.round">round()</link> function used with the mode argument.
       </para>
      </listitem>
     </varlistentry>
  </variablelist>
 </para>
</section>

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