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* [glibc] manual: significand() uses FLT_RADIX, not 2
@ 2024-04-03 12:29 Adhemerval Zanella
0 siblings, 0 replies; only message in thread
From: Adhemerval Zanella @ 2024-04-03 12:29 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=95c70fd0d467450e75354316453824693f07c3cc
commit 95c70fd0d467450e75354316453824693f07c3cc
Author: Alejandro Colomar <alx@kernel.org>
Date: Sun Mar 31 22:38:52 2024 +0200
manual: significand() uses FLT_RADIX, not 2
It's implemented using scalb(), which uses FLT_RADIX, AFAIK.
Link: <https://lore.kernel.org/linux-man/ZeYKUOKYS7G90SaV@debian/T/#mf21ab57e16b92eb6be6c7df79dc0eb43d4454056>
Reported-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>
Diff:
---
manual/arith.texi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/manual/arith.texi b/manual/arith.texi
index 0742c08ac4..034d9d2ba5 100644
--- a/manual/arith.texi
+++ b/manual/arith.texi
@@ -1395,7 +1395,7 @@ The @code{scalb} function is the BSD name for @code{ldexp}.
@standards{BSD, math.h}
@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
@code{significand} returns the mantissa of @var{x} scaled to the range
-@math{[1, 2)}.
+@math{[1, @code{FLT_RADIX})}.
It is equivalent to @w{@code{scalb (@var{x}, (double) -ilogb (@var{x}))}}.
This function exists mainly for use in certain standardized tests
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2024-04-03 12:29 [glibc] manual: significand() uses FLT_RADIX, not 2 Adhemerval Zanella
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