[racket-dev] Math library pushed

I'll add version numbers along with other changes.

At Fri, 16 Nov 2012 18:26:20 -0500, Ryan Culpepper wrote:
> I get this message (during doc build, actually):
> 
> raco setup: error running: (lib math/scribblings/math.scrbl)
> ffi-lib: couldn't open "libmpfr.so" (libmpfr.so: cannot open shared 
> object file: No such file or directory)
> 
> I have /usr/lib/libmpfr.so.1, which is symlinked to 
> /usr/lib/libmpfr.so.1.2.2. I expect that libmpfr.so (no version number) 
> is provided by the development package.
> 
> I changed math/private/bigfloat/mpfr.rkt to use the following lines instead:
> 
> (define libgmp (lazy (ffi-lib "libgmp" '("" "3") #:get-lib-dirs 
> get-lib-dirs)))
> (define libmpfr (lazy (ffi-lib "libmpfr" '("" "1") #:get-lib-dirs 
> get-lib-dirs)))
> 
> (Running 32-bit Ubuntu 10.04.4)
> 
> When I run the test file with the changes, it works, and the last four 
> digits are "4888" as expected.
> 
> Looks like my work machine (64-bit Ubuntu 12.10) has libmpfr.so.4 and 
> libgmp.so.10. I haven't run the test program there yet.
> 
> Ryan
> 
> 
> On 11/16/2012 01:59 PM, Neil Toronto wrote:
> > [...]
> > One thing I'm not sure of is whether the FFI to libmpfr works on all our
> > supported platforms. Could I have all the devs run the following program
> > after your next compile?
> >
> >    #lang racket
> >    (require math/bigfloat)
> >
> >    (parameterize ([bf-precision 8192])
> >      pi.bf)
> >
> > Then reply with the last four digits printed. They should be "4888". If
> > the program doesn't run because Racket can't load libmpfr, it's an
> > opportunity to test the documentation. Please see if I've made the docs
> > for the `math/bigfloat' module clear enough to help you fix the problem.
> >
> > Thanks!
> >
> > Neil ⊥
> > _________________________
> >   Racket Developers list:
> >   http://lists.racket-lang.org/dev
> 
> _________________________
>   Racket Developers list:
>   http://lists.racket-lang.org/dev