Update of /cvsroot/firebird/manual/src/docs/refdocs/langref/fblangref25
In directory sfp-cvs-1.v30.ch3.sourceforge.com:/tmp/cvs-serv16889
Modified Files:
fblangref25-datatypes.xml fblangref25.xml
Log Message:
Corrected text for floating-point data types (Build 0.906)
Index: fblangref25-datatypes.xml
===================================================================
RCS file: /cvsroot/firebird/manual/src/docs/refdocs/langref/fblangref25/fblangref25-datatypes.xml,v
retrieving revision 1.6
retrieving revision 1.7
diff -u -d -r1.6 -r1.7
--- fblangref25-datatypes.xml 27 Mar 2016 21:20:47 -0000 1.6
+++ fblangref25-datatypes.xml 11 Aug 2016 08:52:46 -0000 1.7
@@ -262,9 +262,9 @@
<section id="fblangref25-datatypes-floattypes">
<title><database>Floating-Point Data Types</database></title>
- <para>Floating-point data types are examples of data stored in the DBMS with the precision matching the
- scale of the number. <database>FLOAT</database> and <database>DOUBLE PRECISION</database> (DOUBLE)
- are examples.</para>
+ <para>Floating point data types are stored in an IEEE 754 binary format that comprises sign,
+ exponent and mantissa. Precision is dynamic, corresponding to the physical storage format of
+ the value, which is exactly 4 bytes for the FLOAT type and 8 bytes for DOUBLE PRECISION.</para>
<para>Considering the peculiarities of storing floating-point numbers in a database, these data types
are not recommended for storing monetary data. For the same reasons, columns with floating-point data
are not recommended for use as keys or to have uniqueness constraints applied to them.</para>
Index: fblangref25.xml
===================================================================
RCS file: /cvsroot/firebird/manual/src/docs/refdocs/langref/fblangref25/fblangref25.xml,v
retrieving revision 1.22
retrieving revision 1.23
diff -u -d -r1.22 -r1.23
--- fblangref25.xml 13 May 2016 10:14:26 -0000 1.22
+++ fblangref25.xml 11 Aug 2016 08:52:46 -0000 1.23
@@ -5,7 +5,7 @@
<bookinfo>
<title>Firebird 2.5 Language Reference</title>
<subtitle>Beta Release 1</subtitle>
- <edition>12 May 2016, document version 0.905</edition>
+ <edition>11 August 2016, document version 0.906</edition>
<authorgroup>
<author>
<firstname>Dmitry</firstname>
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