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authorAlejandro Colomar <alx@kernel.org>2024-04-26 15:06:49 +0200
committerAlejandro Colomar <alx@kernel.org>2024-05-02 01:24:19 +0200
commitdcde2f70372b49ec43efc5db864c9ff585d0a2dd (patch)
tree78b9b7425130e4a5858e4c01a524d802423879ed /man3/finite.3
parent12aca537ce78a41bbcdaf485209691e10f8002d7 (diff)
downloadman-pages-dcde2f70372b49ec43efc5db864c9ff585d0a2dd.tar.gz
man/, share/mk/: Move man*/ to man/
This is a scripted change: $ mkdir man/; $ mv man* man/; $ ln -st . man/man*; $ find share/mk/ -type f \ | xargs grep -l '^MANDIR *:=' \ | xargs sed -i '/^MANDIR *:=/s,$,/man,'; $ find share/mk/dist/ -type f \ | xargs grep -l man \ | xargs sed -i 's,man%,man/%,g'; Link: <https://lore.kernel.org/linux-man/YxcV4h+Xn7cd6+q2@pevik/T/> Cc: Petr Vorel <pvorel@suse.cz> Cc: Jakub Wilk <jwilk@jwilk.net> Cc: Stefan Puiu <stefan.puiu@gmail.com> Signed-off-by: Alejandro Colomar <alx@kernel.org>
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-'\" t
-.\" Copyright 2004 Andries Brouwer <aeb@cwi.nl>.
-.\"
-.\" SPDX-License-Identifier: Linux-man-pages-copyleft
-.\"
-.TH finite 3 (date) "Linux man-pages (unreleased)"
-.SH NAME
-finite, finitef, finitel, isinf, isinff, isinfl, isnan, isnanf, isnanl \-
-BSD floating-point classification functions
-.SH LIBRARY
-Math library
-.RI ( libm ", " \-lm )
-.SH SYNOPSIS
-.nf
-.B #include <math.h>
-.P
-.BI "int finite(double " x );
-.BI "int finitef(float " x );
-.BI "int finitel(long double " x );
-.P
-.BI "int isinf(double " x );
-.BI "int isinff(float " x );
-.BI "int isinfl(long double " x );
-.P
-.BI "int isnan(double " x );
-.BI "int isnanf(float " x );
-.BI "int isnanl(long double " x );
-.fi
-.P
-.RS -4
-Feature Test Macro Requirements for glibc (see
-.BR feature_test_macros (7)):
-.RE
-.P
-.BR finite (),
-.BR finitef (),
-.BR finitel ():
-.nf
- /* glibc >= 2.19: */ _DEFAULT_SOURCE
- || /* glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE
-.P
-.BR isinf ():
- _XOPEN_SOURCE >= 600 || _ISOC99_SOURCE
- || /* glibc >= 2.19: */ _DEFAULT_SOURCE
- || /* glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE
-.fi
-.P
-.BR isinff (),
-.BR isinfl ():
-.nf
- /* glibc >= 2.19: */ _DEFAULT_SOURCE
- || /* glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE
-.fi
-.P
-.BR isnan ():
-.nf
- _XOPEN_SOURCE || _ISOC99_SOURCE
- || /* glibc >= 2.19: */ _DEFAULT_SOURCE
- || /* glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE
-.fi
-.P
-.BR isnanf (),
-.BR isnanl ():
-.nf
- _XOPEN_SOURCE >= 600
- || /* glibc >= 2.19: */ _DEFAULT_SOURCE
- || /* glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE
-.fi
-.SH DESCRIPTION
-The
-.BR finite (),
-.BR finitef (),
-and
-.BR finitel ()
-functions return a nonzero value if
-.I x
-is neither infinite
-nor a "not-a-number" (NaN) value, and 0 otherwise.
-.P
-The
-.BR isnan (),
-.BR isnanf (),
-and
-.BR isnanl ()
-functions return a nonzero value if
-.I x
-is a NaN value,
-and 0 otherwise.
-.P
-The
-.BR isinf (),
-.BR isinff (),
-and
-.BR isinfl ()
-functions return 1 if
-.I x
-is positive infinity, \-1 if
-.I x
-is negative infinity, and 0 otherwise.
-.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 finite (),
-.BR finitef (),
-.BR finitel (),
-.BR isinf (),
-.BR isinff (),
-.BR isinfl (),
-.BR isnan (),
-.BR isnanf (),
-.BR isnanl ()
-T} Thread safety MT-Safe
-.TE
-.SH NOTES
-Note that these functions are obsolete.
-C99 defines macros
-.BR isfinite (),
-.BR isinf (),
-and
-.BR isnan ()
-(for all types) replacing them.
-Further note that the C99
-.BR isinf ()
-has weaker guarantees on the return value.
-See
-.BR fpclassify (3).
-.\"
-.\" finite* not on HP-UX; they exist on Tru64.
-.\" .SH HISTORY
-.\" The
-.\" .BR finite ()
-.\" function occurs in 4.3BSD.
-.\" see IEEE.3 in the 4.3BSD manual
-.SH SEE ALSO
-.BR fpclassify (3)