From f59b53e589a325bf8133505799b22696ced767f8 Mon Sep 17 00:00:00 2001
From: Christoph Michael Becker <cmb@php.net>
Date: Sat, 9 Sep 2017 13:09:19 +0000
Subject: [PATCH] Add note regarding possibly truncated scale

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@343030 c90b9560-bf6c-de11-be94-00142212c4b1
---
 reference/bc/functions/bcmul.xml | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/reference/bc/functions/bcmul.xml b/reference/bc/functions/bcmul.xml
index 600376a993..d40ec0972a 100644
--- a/reference/bc/functions/bcmul.xml
+++ b/reference/bc/functions/bcmul.xml
@@ -67,6 +67,28 @@ echo bcmul('2', '4'); // 8
   </example>
  </refsect1>
  
+ <refsect1 role="notes">
+  &reftitle.notes;
+  <note>
+   <para>
+    <function>bcmul</function> may return a result with fewer digits after the
+    decimal point than the <parameter>scale</parameter> parameter would
+    indicate. This only occurs when the result doesn't require all of the
+    precision allowed by the <parameter>scale</parameter>. For example:
+    <example>
+     <title><function>bcpow</function> scale example</title>
+     <programlisting role="php">
+<![CDATA[
+<?php
+echo bcmul('5', '2', 2);     // prints "10", not "10.00"
+?>
+]]>
+     </programlisting>
+    </example>
+   </para>
+  </note>
+ </refsect1>
+ 
  <refsect1 role="seealso">
   &reftitle.seealso;
   <para>