From: Alejandro Colomar <alx@kernel.org>
To: libc-alpha@sourceware.org
Cc: Alejandro Colomar <alx@kernel.org>,
Morten Welinder <mwelinder@gmail.com>,
Vincent Lefevre <vincent@vinc17.net>,
Adhemerval Zanella Netto <adhemerval.zanella@linaro.org>
Subject: [PATCH v2 3/3] manual: Cube roots are rarely representable
Date: Tue, 5 Mar 2024 17:12:30 +0100 [thread overview]
Message-ID: <20240305161213.14364-4-alx@kernel.org> (raw)
In-Reply-To: <20240305161213.14364-1-alx@kernel.org>
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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>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
---
manual/math.texi | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/manual/math.texi b/manual/math.texi
index 79bf3a1401..dfb685a71e 100644
--- a/manual/math.texi
+++ b/manual/math.texi
@@ -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})
--
2.43.0
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next prev parent reply other threads:[~2024-03-05 16:13 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CANv4PNkVv_0eLgiSP3L_KfC-eZJaVLZ5AP1AGfD0GNrR5M4Hrg@mail.gmail.com>
[not found] ` <ZeEnJB96mMC5bfBz@debian>
[not found] ` <CANv4PNmMpiwfv5acr7U6VEVe7PE_AMTzkkpNoNN9jrtVzk_93Q@mail.gmail.com>
2024-03-02 21:54 ` Man page issues: logb, significand, cbrt, log2, log10, exp10 Alejandro Colomar
2024-03-03 2:02 ` Morten Welinder
2024-03-03 2:21 ` Alejandro Colomar
2024-03-03 11:46 ` Vincent Lefevre
2024-03-03 12:21 ` Alejandro Colomar
2024-03-03 22:26 ` Morten Welinder
2024-03-04 12:17 ` Adhemerval Zanella Netto
2024-03-05 16:12 ` [PATCH v2 0/3] manual/math.texi: logb(3) and cbrt(3) fixes Alejandro Colomar
2024-03-05 16:12 ` [PATCH v2 1/3] manual: logb(x) is floor(log2(fabs(x))) Alejandro Colomar
2024-03-29 22:08 ` DJ Delorie
2024-03-29 23:00 ` Alejandro Colomar
2024-03-05 16:12 ` [PATCH v2 2/3] manual: floor(log2(fabs(x))) has rounding errors Alejandro Colomar
2024-03-30 0:24 ` DJ Delorie
2024-03-30 9:27 ` Alejandro Colomar
2024-03-30 9:30 ` Alejandro Colomar
2024-03-30 9:47 ` Andreas Schwab
2024-03-05 16:12 ` Alejandro Colomar [this message]
2024-03-30 0:27 ` [PATCH v2 3/3] manual: Cube roots are rarely representable DJ Delorie
2024-03-30 7:07 ` Paul Zimmermann
2024-03-30 16:51 ` DJ Delorie
2024-03-30 18:42 ` Alejandro Colomar
2024-03-30 18:50 ` DJ Delorie
2024-03-30 19:07 ` Alejandro Colomar
2024-03-31 20:38 ` [PATCH v3 0/4] manual: arith.texi and math.texi fixes Alejandro Colomar
2024-03-31 20:38 ` [PATCH v3 1/4] manual: logb(x) is floor(log2(fabs(x))) Alejandro Colomar
2024-03-31 20:38 ` [PATCH v3 2/4] manual: floor(log2(fabs(x))) has rounding errors Alejandro Colomar
2024-03-31 20:38 ` [PATCH v3 3/4] manual: Clarify return value of cbrt(3) Alejandro Colomar
2024-04-01 18:57 ` DJ Delorie
2024-03-31 20:38 ` [PATCH v3 4/4] manual: significand() uses FLT_RADIX, not 2 Alejandro Colomar
2024-04-01 19:09 ` DJ Delorie
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