PING! Re: [PATCH, Fortran] Extension: COTAN and degree-valued trig intrinsics with -fdec-math

[Markus Trippelsdorf]

On 2016.10.11 at 07:26 -0400, Fritz Reese wrote:
> On Mon, Oct 10, 2016 at 3:56 PM, Steve Kargl
> <sgk@troutmask.apl.washington.edu> wrote:
> ...
> > There are a few small clean-up that can be
> > done.  For example,
> >
> > +static gfc_expr *
> > +get_radians (gfc_expr *deg)
> > +{
> > +  mpfr_t tmp;
> ...
> > the tmp variable is unneeded in the above.  Converting the double
> > precision 180.0 to mpfr_t and then dividing is probably slower
> > than just dividing by 180.
> >
> > +  /* Set factor = pi / 180.  */
> > +  factor = gfc_get_constant_expr (deg->ts.type, deg->ts.kind, &deg->where);
> > +  mpfr_const_pi (factor->value.real, GFC_RND_MODE);
> > +  mpfr_div_ui (factor->value.real, factor->value.real, 180, GFC_RND_MODE);
> >
> ...
>
> Good catch, fixed and committed r240989. Many thanks to you and Jerry.

This patch breaks bootstrap:

../../gcc/gcc/fortran/iresolve.c: In function ‘gfc_expr* get_degrees(gfc_expr*)’:
../../gcc/gcc/fortran/iresolve.c:2728:14: error: ‘tmp’ was not declared in this scope                                                                                                 mpfr_init (tmp);

Even declaring the variable doesn't help:

../../gcc/gcc/fortran/simplify.c: In function ‘void radians_f(__mpfr_struct*, mpfr_rnd_t)’:
../../gcc/gcc/fortran/simplify.c:1775:5: error: ‘mpfr_fmod_d’ was not declared in this scope
     mpfr_fmod_d (tmp, x, 360.0, rnd_mode);
     ^~~~~~~~~~~
--
Markus