Re: [boost] [math] floating point classification - testing help wanted

From: Markus Schöpflin (markus.schoepflin_at_[hidden])
Date: 2005-12-01 13:14:01

Boris Gubenko wrote:

> John Maddock wrote:
> 
>>Tru64:
>>cxx : OK (but can't test infinities/NaN's as they're not supported?
>>
> 
> 
> Did you specify the -ieee option? From cxx manpage:
> 
>  -ieee
>    Support all portable features of the IEEE Standard for Binary
>    Floating-Point Arithmetic (ANSI/IEEE Standard 754-1985), including
>    the treatment of denormalized numbers, NaNs, infinities, and the
>    handling of error cases. This flag also sets the _IEEE_FP macro.
>    To flush floating point underflows to zero, add the
>    -underflow_to_zero option.

I was just going to ask the same...

I tried the tests in question and it works like expected when specifying 
-ieee on the command line.

John, maybe it would be best to give a compile error on Tru64/CXX for 
these tests when _IEEE_FP is not defined.

Markus