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* [Bug stdio/31515] New: printf: format needed for __uint128_t
@ 2024-03-20 20:57 newbie-02 at gmx dot de
2024-03-20 21:21 ` [Bug stdio/31515] " jsm28 at gcc dot gnu.org
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: newbie-02 at gmx dot de @ 2024-03-20 20:57 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=31515
Bug ID: 31515
Summary: printf: format needed for __uint128_t
Product: glibc
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: stdio
Assignee: unassigned at sourceware dot org
Reporter: newbie-02 at gmx dot de
Target Milestone: ---
if I checked correctly,
glibc / gcc support __uint128_t as variable with 128 bits,
and *can* calculate with it, but not print.
print is needed, not only for applications and users but esp.
for debugging in the coding process. It's cumbersome, time
consuming and error prone if 'nopro's like me have to build
homebrew routines ever and ever again, IMHO a compiler / library
providing a datatype should also provide a qualified method to
check it.
Don't bother to tell me if I'm wrong, that's always an option.
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* [Bug stdio/31515] printf: format needed for __uint128_t
2024-03-20 20:57 [Bug stdio/31515] New: printf: format needed for __uint128_t newbie-02 at gmx dot de
@ 2024-03-20 21:21 ` jsm28 at gcc dot gnu.org
2024-03-20 23:00 ` newbie-02 at gmx dot de
2024-03-21 4:16 ` newbie-02 at gmx dot de
2 siblings, 0 replies; 4+ messages in thread
From: jsm28 at gcc dot gnu.org @ 2024-03-20 21:21 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=31515
--- Comment #1 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113887 for discussion of all
the things that should be done together in GCC and glibc to provide proper
support for int128_t / uint128_t, now that C23 allows such types to be provided
without needing to enlarge intmax_t.
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* [Bug stdio/31515] printf: format needed for __uint128_t
2024-03-20 20:57 [Bug stdio/31515] New: printf: format needed for __uint128_t newbie-02 at gmx dot de
2024-03-20 21:21 ` [Bug stdio/31515] " jsm28 at gcc dot gnu.org
@ 2024-03-20 23:00 ` newbie-02 at gmx dot de
2024-03-21 4:16 ` newbie-02 at gmx dot de
2 siblings, 0 replies; 4+ messages in thread
From: newbie-02 at gmx dot de @ 2024-03-20 23:00 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=31515
--- Comment #2 from b. <newbie-02 at gmx dot de> ---
(In reply to Joseph Myers from comment #1)
thanks for the hint, nice to see it's under work, it's above my horizon
to enter that discussion, but I wish you success for a consistent solution.
Suggest to close this bug and mention as seealso in your discussion.
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* [Bug stdio/31515] printf: format needed for __uint128_t
2024-03-20 20:57 [Bug stdio/31515] New: printf: format needed for __uint128_t newbie-02 at gmx dot de
2024-03-20 21:21 ` [Bug stdio/31515] " jsm28 at gcc dot gnu.org
2024-03-20 23:00 ` newbie-02 at gmx dot de
@ 2024-03-21 4:16 ` newbie-02 at gmx dot de
2 siblings, 0 replies; 4+ messages in thread
From: newbie-02 at gmx dot de @ 2024-03-21 4:16 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=31515
--- Comment #3 from b. <newbie-02 at gmx dot de> ---
think have to retract 'can calculate', seems limited to lower 64 bits :-( ??
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end of thread, other threads:[~2024-03-21 4:16 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2024-03-20 20:57 [Bug stdio/31515] New: printf: format needed for __uint128_t newbie-02 at gmx dot de
2024-03-20 21:21 ` [Bug stdio/31515] " jsm28 at gcc dot gnu.org
2024-03-20 23:00 ` newbie-02 at gmx dot de
2024-03-21 4:16 ` newbie-02 at gmx dot de
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