[PATCH v2 01/12] math: Use acosh from CORE-MATH

[DJ Delorie]

Adhemerval Zanella <adhemerval.zanella@linaro.org> writes:

> +      double eps = ds * 0x1.04p-50 - 0x1p-104 * sh;

Note: this was 0x1.fcp-51 in v1, but I see nothing to explain the
change...