From 7f3caba522f4d24764f29d83aa2de9198bb7f01c Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 24 May 2024 06:52:22 +0200 Subject: Adding upstream version 6.8. Signed-off-by: Daniel Baumann --- man3/ilogb.3 | 150 ----------------------------------------------------------- 1 file changed, 150 deletions(-) delete mode 100644 man3/ilogb.3 (limited to 'man3/ilogb.3') diff --git a/man3/ilogb.3 b/man3/ilogb.3 deleted file mode 100644 index 69ce0a4..0000000 --- a/man3/ilogb.3 +++ /dev/null @@ -1,150 +0,0 @@ -'\" t -.\" Copyright 2004 Andries Brouwer . -.\" and Copyright 2008, Linux Foundation, written by Michael Kerrisk -.\" -.\" -.\" SPDX-License-Identifier: Linux-man-pages-copyleft -.\" -.\" Inspired by a page by Walter Harms created 2002-08-10 -.\" -.TH ilogb 3 2023-10-31 "Linux man-pages 6.7" -.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 -.P -.BI "int ilogb(double " x ); -.BI "int ilogbf(float " x ); -.BI "int ilogbl(long double " x ); -.fi -.P -.RS -4 -Feature Test Macro Requirements for glibc (see -.BR feature_test_macros (7)): -.RE -.P -.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 -.P -.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. -.P -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'. -.P -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. -.P -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. -.P -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). -.TS -allbox; -lbx lb lb -l l l. -Interface Attribute Value -T{ -.na -.nh -.BR ilogb (), -.BR ilogbf (), -.BR ilogbl () -T} Thread safety MT-Safe -.TE -.SH STANDARDS -C11, POSIX.1-2008. -.SH HISTORY -C99, POSIX.1-2001. -.SH BUGS -.\" Bug raised: https://www.sourceware.org/bugzilla/show_bug.cgi?id=6794 -Before glibc 2.16, the following bugs existed in the -glibc implementation of these functions: -.IP \[bu] 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 \[bu] -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) -- cgit v1.2.3