FIX: Initializing const int With float literal Gets Erroneous Value

• Microsoft Visual C++, 32-bit Editions, version 6.0

SYMPTOMS

When initializing a const int with a float literal, the value stored in the const int may be incorrect.

RESOLUTION

Use one of the following as workarounds.

1. Use an integer literal.



2. Cast the float literal to an int.



3. Create a const float variable and assign the float literal to it. Then assign that const float to the const int.

STATUS

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

This bug was corrected in Visual Studio 6.0 Service Pack 3. For more information about Visual Studio service packs, please see the following articles in the Microsoft Knowledge Base:

Q194022 INFO: Visual Studio 6.0 Service Packs, What, Where, Why

Q194295 HOWTO: Tell That Visual Studio 6.0 Service Packs Are Installed

MORE INFORMATION

Sample Code

#include <iostream>
const int ConstVal = 75.0;
int main()
{
    std::cout << "ConstVal = " << ConstVal << std::endl;
    return 0;
} 

Additional query words:

Keywords          : kbservicepack kbCompiler kbCPPonly kbVC600bug kbVC600fix kbVS600sp2 kbVS600SP1 kbVS600sp3fix 
Version           : winnt:6.0
Platform          : winnt 
Issue type        : kbbug 

Last Reviewed: May 19, 1999