CInt96 v1.07

Welcome to CInt96, A freeware MFC class which provides an integer class with 96 bit precision.

Contents

Features

Provides constructors which convert between all the basic types (including __int64) to CInt96.
All the standard operators are provided allowing the class to be used as if it was an intrinsic data type.
Methods are provided to convert to and from Hex, binary and decimal strings.
Functions are available to allow individual bits to be easily set or retrieved.

To use the class in your code simply include int96.cpp in your project and #include int96.h in which ever of your modules needs to make calls to the classes.
To use the serialization and string formatting functions of the class, your code will need to include MFC either statically or dynamically.
To see the class in action, have a look at the code in main() in the module "test.cpp".

V1.0 (11 July 1999)

V1.01 (17 October 1999)

Fix for the function FormatAsDecimal which was failing when the number starts with a "10".

V1.02 (26 October 1999)

Fixed bug in operator!=.
Fixed bug in operator^.
Fixed bug in operator| .
Fixed bug in operator&.
All relational and equality operators now return "int" instead of BOOL.
Provision of operators which convert back to basic C types.
Improved the performance of operator*.
Fixed problem with 0/0 which was returning 0 instead of the correct value undefined i.e. divide by 0 exception. Thanks to G.J.E. Visser finding all these bugs <g>.

V1.03 (28 October 1999)

V1.04 (5 December 1999)

Fixed problem with operator* which was giving incorrect results in some cases, Thanks go to G.J.E. Visser for finding this.

V1.05 (20 November 2002)

Updated the copyright message in the header and cpp file
Added missing stdafx.h/cpp to the download zip file
Fixed a logic error in the operator< and operator> methods when comparing negative and positive values. Thanks to Steffen Offermann for reporting and fixing this problem.

V1.06 (26 March 2005)

Code is now compatible with Cygwin/gcc. Note that the screen output conversion and MFC archived functions have been ifdef'ed out. Thanks to David Moloney for this nice addition.

V1.07 (31 January 2006)

Updated copyright details.
Updated the code to exclude MFC specific logic using the preprocessor macro _AFX instead of _GNUC__. This allows the core of the class to be used in non MFC projects on windows compilers. Thanks to Larry Hastings for this update.
Updated documentation to use the same style as the web site.

Optimize the code through the use of inlining and improved algorithms.
Improve the sample app as at the moment it just tests out most of the methods provided by CInt96.
If you have any other suggested additions, comments or bug fixes, please let me know so that I can try my best to incorporate them into the next version of CInt96.

PJ Naughter
Email: pjna@naughter.com
Web: http://www.naughter.com
31 January 2006