math.h

[Yaakov (Cygwin/X)]

On 31/01/2010 16:31, Søren Holm wrote:
> I have just compile newlib 1.18 and I'm wondering why isnanf suddenly is not
> declared anymore. I end up figuring out that the patch attached to this email
> fixes the problem. Is this an error in newlib?

Careful; <ieeefp.h> disables the isnan and isinf macros (which are 
required by POSIX) and declares them as functions instead.  So <math.h> 
cannot #include <ieeefp.h> in this way.  If you really need these 
functions, I think you'll need to #include <ieeefp.h> in your code directly.


Yaakov
Cygwin/X