CGAL users discussion list

[Marc Glisse <>]

On Thu, 28 Feb 2013, marcosscriven wrote:

> I'm trying to cross-compile CGAL (just the core - not ImageIO or Qt stuff)
> into Javascript with Emscripten.
>
> I've got *really* close - having successfully compiled and tested GMP and
> MPFR in Javascript. I've also managed to drop the dependency on boost-thread
> (by turning on CGAL_HAS_NO_THREADS, and dropping the test to load
> libboost-thread)
>
> The only sticking point is that all the rounding modes in FPU.h (whatever
> the macro conditions) end up in some hardware specific. Even if you include
> one of the ones from an fenv.h somewhere, that still ends up in asm code.
>
> The question is, is there a generic workaround for this that doesn't require
> an assembly implementation for this?

Hmm, using the variant with fesetround/fegetround and making sure that 
IA_force_to_double uses the "volatile double" path should avoid the inline 
asm. What specific asm are you failing to get rid of?

--
Marc Glisse