DOCUMENT:Q267549  08-MAY-2002  [visualc]
TITLE   :FIX: Debugger Doesn't Give Full Precision For double Data Type
PRODUCT :Microsoft C Compiler
PROD/VER:winnt:6.0
OPER/SYS:
KEYWORDS:kbDebug kbide kbVC600QFE kbDSupport

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The information in this article applies to:

 - Microsoft Visual C++, 32-bit Enterprise Edition, version 6.0 
 - Microsoft Visual C++, 32-bit Professional Edition, version 6.0 
 - Microsoft Visual C++, 32-bit Learning Edition, version 6.0 
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SYMPTOMS
========

The Visual C++ debugger displays only 14 significant digits for variables of
double data type in the Watch, Variables, and Quick Watch windows.

RESOLUTION
==========

A supported fix is now available from Microsoft, but it is only intended to
correct the problem described in this article and should be applied only to
systems experiencing this specific problem. This fix may receive additional
testing at a later time, to further ensure product quality. Therefore, if you
are not severely affected by this problem, Microsoft recommends that you wait
for the next Product Name service pack that contains this fix.

To resolve this problem immediately, contact Microsoft Product Support Services
to obtain the fix. For a complete list of Microsoft Product Support Services
phone numbers and information about support costs, please go to the following
address on the World Wide Web:

   http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS

NOTE: In special cases, charges that are normally incurred for support calls may
be canceled, if a Microsoft Support Professional determines that a specific
update will resolve your problem. Normal support costs will apply to additional
support questions and issues that do not qualify for the specific update in
question.

The English version of this fix should have the following file attributes or
later:

   Date      Time    Version      Size    File name     Platform
   -------------------------------------------------------------
7/5/2000  10:23 PM   6.0.8868.0   181 KB   EECXX.DLL      x86

After you install this fix, the debugger displays 17 significant digits for
variables of double data type, which conforms to the precision of the data
type.



STATUS
======

Microsoft has confirmed this to be a bug in the Microsoft products listed at the
beginning of this article.

Additional query words: double debugger display precision significant digits

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Keywords          : kbDebug kbide kbVC600QFE kbDSupport 
Technology        : kbVCsearch kbAudDeveloper kbVC600 kbVC32bitSearch
Version           : winnt:6.0
Hardware          : ALPHA x86
Issue type        : kbbug
Solution Type     : kbfix

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