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| author | Alejandro Colomar <alx.manpages@gmail.com> | 2022-09-09 14:15:08 +0200 |
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| committer | Alejandro Colomar <alx.manpages@gmail.com> | 2022-09-09 14:15:08 +0200 |
| commit | 96e72ec1fbadd13cbcbc2b263540e4f5e9e09d7c (patch) | |
| tree | 70686b943e33a6e939ad265acb7ddfef70b91f32 /man/man3/ilogb.3 | |
| parent | 8f4ed6463206e8ede815c72085c7305dafc2e4fc (diff) | |
| download | man-pages-96e72ec1fbadd13cbcbc2b263540e4f5e9e09d7c.tar.gz | |
Revert "src.mk, All pages: Move man* to man/"
This reverts commit 70ac1c4785fc1e158ab2349a962dba2526bf4fbc.
Link: <https://lore.kernel.org/linux-man/YxcV4h+Xn7cd6+q2@pevik/T/>
Reported-by: Petr Vorel <pvorel@suse.cz>
Reported-by: Jakub Wilk <jwilk@jwilk.net>
Cc: Stefan Puiu <stefan.puiu@gmail.com>
Signed-off-by: Alex Colomar <alx.manpages@gmail.com>
Diffstat (limited to 'man/man3/ilogb.3')
| -rw-r--r-- | man/man3/ilogb.3 | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/man/man3/ilogb.3 b/man/man3/ilogb.3 deleted file mode 100644 index 056eedaae8..0000000000 --- a/man/man3/ilogb.3 +++ /dev/null @@ -1,150 +0,0 @@ -.\" Copyright 2004 Andries Brouwer <aeb@cwi.nl>. -.\" and Copyright 2008, Linux Foundation, written by Michael Kerrisk -.\" <mtk.manpages@gmail.com> -.\" -.\" SPDX-License-Identifier: Linux-man-pages-copyleft -.\" -.\" Inspired by a page by Walter Harms created 2002-08-10 -.\" -.TH ILOGB 3 2021-03-22 "Linux man-pages (unreleased)" -.SH NAME -ilogb, ilogbf, ilogbl \- get integer exponent of a floating-point value -.SH LIBRARY -Math library -.RI ( libm ", " \-lm ) -.SH SYNOPSIS -.nf -.B #include <math.h> -.PP -.BI "int ilogb(double " x ); -.BI "int ilogbf(float " x ); -.BI "int ilogbl(long double " x ); -.fi -.PP -.RS -4 -Feature Test Macro Requirements for glibc (see -.BR feature_test_macros (7)): -.RE -.PP -.BR ilogb (): -.nf - _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L - || _XOPEN_SOURCE >= 500 -.\" || _XOPEN_SOURCE && _XOPEN_SOURCE_EXTENDED - || /* Since glibc 2.19: */ _DEFAULT_SOURCE - || /* Glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE -.fi -.PP -.BR ilogbf (), -.BR ilogbl (): -.nf - _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L - || /* Since glibc 2.19: */ _DEFAULT_SOURCE - || /* Glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE -.fi -.SH DESCRIPTION -These functions return the exponent part of their argument -as a signed integer. -When no error occurs, these functions -are equivalent to the corresponding -.BR logb (3) -functions, cast to -.IR int . -.SH RETURN VALUE -On success, these functions return the exponent of -.IR x , -as a signed integer. -.PP -If -.I x -is zero, then a domain error occurs, and the functions return -.\" the POSIX.1 spec for logb() says logb() gives pole error for this -.\" case, but for ilogb() it says domain error. -.BR FP_ILOGB0 . -.\" glibc: The numeric value is either `INT_MIN' or `-INT_MAX'. -.PP -If -.I x -is a NaN, then a domain error occurs, and the functions return -.BR FP_ILOGBNAN . -.\" glibc: The numeric value is either `INT_MIN' or `INT_MAX'. -.\" On i386, FP_ILOGB0 and FP_ILOGBNAN have the same value. -.PP -If -.I x -is negative infinity or positive infinity, then -a domain error occurs, and the functions return -.BR INT_MAX . -.\" -.\" POSIX.1-2001 also says: -.\" If the correct value is greater than {INT_MAX}, {INT_MAX} -.\" shall be returned and a domain error shall occur. -.\" -.\" If the correct value is less than {INT_MIN}, {INT_MIN} -.\" shall be returned and a domain error shall occur. -.SH ERRORS -See -.BR math_error (7) -for information on how to determine whether an error has occurred -when calling these functions. -.PP -The following errors can occur: -.TP -Domain error: \fIx\fP is 0 or a NaN -An invalid floating-point exception -.RB ( FE_INVALID ) -is raised, and -.I errno -is set to -.B EDOM -(but see BUGS). -.TP -Domain error: \fIx\fP is an infinity -An invalid floating-point exception -.RB ( FE_INVALID ) -is raised, and -.I errno -is set to -.B EDOM -(but see BUGS). -.SH ATTRIBUTES -For an explanation of the terms used in this section, see -.BR attributes (7). -.ad l -.nh -.TS -allbox; -lbx lb lb -l l l. -Interface Attribute Value -T{ -.BR ilogb (), -.BR ilogbf (), -.BR ilogbl () -T} Thread safety MT-Safe -.TE -.hy -.ad -.sp 1 -.SH STANDARDS -C99, POSIX.1-2001, POSIX.1-2008. -.SH BUGS -.\" Bug raised: http://sources.redhat.com/bugzilla/show_bug.cgi?id=6794 -Before version 2.16, the following bugs existed in the -glibc implementation of these functions: -.IP * 3 -The domain error case where -.I x -is 0 or a NaN did not cause -.I errno -to be set or (on some architectures) raise a floating-point exception. -.IP * 3 -The domain error case where -.I x -is an infinity did not cause -.I errno -to be set or raise a floating-point exception. -.SH SEE ALSO -.BR log (3), -.BR logb (3), -.BR significand (3) |