On Mon, Sep 28, 2009 at 5:52 AM, Andrew Coppin <[email protected]> wrote: > wren ng thornton wrote: >> >> Andrew Coppin wrote: >>> >>> While we're on the subject... I understand that certain FPUs support >>> 80-bit precision. Is there any way to get at that? Or is this going to >>> require FFI too? >> >> Perhaps you want Foreign.C.Types.CLDouble ? >> >> >> http://hackage.haskell.org/packages/archive/base/latest/doc/html/Foreign-C-Types.html#t%3ACLDouble >> http://en.wikipedia.org/wiki/Long_double >> >> (Or do you really want to ensure that it's 80-bits regardless of platform >> and the whims of the C compiler?) >> > > Yep, that'll do. :-) >
>From the source: -- HACK: Currently no long double in the FFI, so we simply re-use double -- | Haskell type representing the C @long double@ type. FLOATING_TYPE(CLDouble,tyConCLDouble,"CLDouble",HTYPE_DOUBLE) I also believe that CLDouble is gone in GHC 6.12.1, since it isn't really there. Antoine _______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
