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manual: Clarify return value of cbrt(3)

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Link: <https://lore.kernel.org/linux-man/ZeYKUOKYS7G90SaV@debian/T/#mff0ab388000c6afdb5e5162804d4a0073de481de>
Reported-by: Morten Welinder <mwelinder@gmail.com>
Cowritten-by: Morten Welinder <mwelinder@gmail.com>
Cc: Adhemerval Zanella Netto <adhemerval.zanella@linaro.org>
Cc: Vincent Lefevre <vincent@vinc17.net>
Cc: DJ Delorie <dj@redhat.com>
Cc: Paul Zimmermann <Paul.Zimmermann@inria.fr>
Cc: Andreas Schwab <schwab@linux-m68k.org>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
Reviewed-by: DJ Delorie <dj@redhat.com>
This commit is contained in:
Alejandro Colomar 2024-03-31 22:38:48 +02:00 committed by Adhemerval Zanella
parent 077613291b
commit e01b3b86e8
1 changed files with 6 additions and 2 deletions
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8
manual/math.texi
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@ -700,8 +700,12 @@ Mathematically, it should return a complex number.
@standardsx{cbrtfN, TS 18661-3:2015, math.h}
@standardsx{cbrtfNx, TS 18661-3:2015, math.h}
@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
These functions return the cube root of @var{x}. They cannot
fail; every representable real value has a representable real cube root.
These functions return the cube root of @var{x}.
They cannot fail;
every representable real value
has a real cube root,
and rounding it to a representable value
never causes overflow nor underflow.
@end deftypefun
@deftypefun double hypot (double @var{x}, double @var{y})