[PATCH v3 3/5] math: Improve fmod

[Joseph Myers]

On Thu, 16 Mar 2023, Adhemerval Zanella via Libc-alpha wrote:

> +#if TEST_COND_binary64
> +    TEST_ff_f (fmod, 0x0.cded0a47373e9p-1022, 0x0.3212f5b8c8c16p-1022, 0x0.05a1336414391p-1022, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
> +    TEST_ff_f (fmod, 0x0.cded0a47373e9p-1022, -0x0.3212f5b8c8c16p-1022, 0x0.05a1336414391p-1022, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
> +    TEST_ff_f (fmod, -0x0.cded0a47373e9p-1022, 0x0.3212f5b8c8c16p-1022, -0x0.05a1336414391p-1022, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
> +    TEST_ff_f (fmod, -0x0.cded0a47373e9p-1022, -0x0.3212f5b8c8c16p-1022, -0x0.05a1336414391p-1022, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
> +#endif

Similarly, these tests should be valid for all formats with at least the 
range and precision of binary64 (i.e. !TEST_COND_binary32), not just for 
binary64.

-- 
Joseph S. Myers
joseph@codesourcery.com