Re: [boost] [math toolkit] Quick and Late Review

From: Jeff Garland (jeff_at_[hidden])
Date: 2007-04-28 21:32:04

Hubert Holin wrote:

>> *** 2 failures detected in test suite "Master Test Suite"
> 
> [SNIP]
> 
>       OK, these errors I know and hate. I am the culprit here. The 
> problem, as far as I could tell, boils down to a QOI issue on 64 bits 
> platforms, using Gcc: the implementation of transcendental functions for 
> 64 bits behaves just like if it were a 32 bits value being passed. As 
> far as I know, this is legal (if horrendous) behavior. I still also find 
> the idea of not being able to use 64 bits floating point variables on 
> platforms that purport to support them (my platform of choice included) 
> abhorrent. Perhaps the only clean way out would be to re-implement these 
> basic functions ourselves, but that, of course, would be the source of 
> other problems (overriding part of the user's standard library).

Have you submitted a gcc bug report?  If you re-implement them, the thing to 
do would be to contribute them as a patch to the gcc c++ std lib.

Jeff