[PATCH v2 1/8] math: Use cosh from CORE-MATH

[Paul Zimmermann]

       Hi DJ,

thank you for your review.

> > +      double e = 0.122e-18 * rh, lb = rh + (rl - e), ub = rh + (rl + e);
> 
> 0.122e-18 isn't exact, should use p format.  Unless exactness doesn't
> matter here; the p form is messy.

I changed to 0x1.202p-63 upstream

> > +      rh = fph + fmh;
> > +      rl = ((fph - rh) + fmh) + fml + fpl;
> > +      double e = 0.38e-18 * rh, lb = rh + (rl - e), ub = rh + (rl + e);
> 
> 0.38e-18 happens to be exact, but still should use p format, unless as above.

I changed to 0x1.c0ap-62 upstream

Adhemerval, please can you update the patch?

Paul