[PATCH v3] math: Refactor how to use libm-test-ulps

[Joseph Myers]

On Tue, 28 Jan 2025, Adhemerval Zanella wrote:

> +A more comprehensive analysis of @theglibc{} math functions precision could
> +be found in 'Accuracy of Mathematical Functions in Single, Double, Double
> +Extended, and Quadruple Precision'; Brian Gladman, Vincenzo Innocente,
> +John Mather, and Paul Zimmermann at 
> +@url{<https://inria.hal.science/hal-03141101>}.  It does cover complex
> +functions, or @code{jn}/@code{yn}, and it is only for x86_64, and for
> +rounding to nearest, and does not cover any architecture variations (in
> +particular IBM long double is out of scope).
> +
> +For complex functions, some analysis of @theglibc{} math functions can be
> +found in 'Accuracy of Complex Mathematical Operations and Functions in Single
> +and Double Precision'; Paul Caprioli, Vincenzo Innocente, Paul Zimmermann
> +at @url{https://inria.hal.science/hal-04714173}.  It is only for x86_64,
> +and for rounding to nearest, and does not cover any architecture
> +variations.

That analysis for complex functions also seems to cover only float and 
double, not any other format.

> +@c This reference does not cover complex functions, or jn/yn, or
> +@c any architecture variations (in particular IBM long double is out of
> +@c scope).

This comment seems to duplicate the uncommented text above.

-- 
Joseph S. Myers
josmyers@redhat.com