CVS commit: src/tests/lib/libc/gen

["Taylor R Campbell" <riastradh%netbsd.org@localhost>]

Module Name:    src
Committed By:   riastradh
Date:           Sun Dec 21 19:07:49 UTC 2025

Modified Files:
        src/tests/lib/libc/gen: t_fpclassify.c

Log Message:
t_fpclassify: Fix long double mistakes.

1. Handle >64-bit long double with `union ieee_ext_u'.
2. Operationally verify the quiet vs signalling NaN bits.
3. xfail for softfloat and softfloat-long-double bugs on clang.
4. Print NaN encodings in hexadecimal to make diagnostics easier.
5. Add RCS id.

PR standards/59336: C23: Annex F and math.h extensions
PR lib/59853: compiler-rt softfloat lacks floating-point exceptions


To generate a diff of this commit:
cvs rdiff -u -r1.10 -r1.11 src/tests/lib/libc/gen/t_fpclassify.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.