Joseph S. Myers wrote:
>> My biggest issue is that I don't see how I can compile-time evaluate the
>> following - or how to evaluate it at all:
>>
>> if (IEEE_SUPPORT_NAN(x)) &! should be always true (or false) on a
>> given system
>>
> See MODE_HAS_NANS etc. in real.h
>
Thanks. There I
On Sat, 29 Nov 2008, Tobias Burnus wrote:
> While (a) and (b) can be easily handled in the front end, I don't see
> how I can handle the rest efficiently. Most parts are provided by
> fenv.h, for which I seemingly have to write a wrapper function (in
> libgfortran) as the typedefs and constants ca
On Sat, Nov 29, 2008 at 09:41:30PM +0100, Tobias Burnus wrote:
>
> I'm thinking about how to implement Fortran 2003's IEEE support in
> gfortran. The IEEE allow
> a) To set an IEEE value (NaN, INF, etc.)
> b) Check whether a value is NaN, etc.
> c) To query for IEEE capabilities (IEEE_SUPPORT_NAN,
Hello,
I'm thinking about how to implement Fortran 2003's IEEE support in
gfortran. The IEEE allow
a) To set an IEEE value (NaN, INF, etc.)
b) Check whether a value is NaN, etc.
c) To query for IEEE capabilities (IEEE_SUPPORT_NAN, IEEE_SUPPORT_SQRT
(a sqrt() which has IEEE exception support), etc.
