Re: [boost] How do I detect if a system is fully 2's complement?

From: Daryle Walker (darylew_at_[hidden])
Date: 2006-11-12 15:14:56

On 11/12/06 12:27 PM, "David Abrahams" <dave_at_[hidden]> wrote:

> Daryle Walker <darylew_at_[hidden]> writes:
> 
>> I'm working on a bug that's only present on machines that use 2's
>> complement for their built-in integers that use all possible bit
>> combinations (like the common platforms).  How can I detect this?
> 
> Do you need to know at preprocessing time, compile time, or runtime?

I need it during preprocessing.  Look at test case "patch_1438626_test" in
"rational_test.cpp" (in our CVS HEAD).  I'm curious about the solution for
all three times, though.

-- 
Daryle Walker
Mac, Internet, and Video Game Junkie
darylew AT hotmail DOT com