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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-24 04:52:22 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-24 04:52:22 +0000
commit3d08cd331c1adcf0d917392f7e527b3f00511748 (patch)
tree312f0d1e1632f48862f044b8bb87e602dcffb5f9 /man3/remquo.3
parentAdding debian version 6.7-2. (diff)
downloadmanpages-3d08cd331c1adcf0d917392f7e527b3f00511748.tar.xz
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Merging upstream version 6.8.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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-'\" t
-.\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
-.\" and Copyright 2008, Linux Foundation, written by Michael Kerrisk
-.\" <mtk.manpages@gmail.com>
-.\"
-.\" SPDX-License-Identifier: GPL-1.0-or-later
-.\"
-.\" based on glibc infopages
-.\" polished, aeb
-.\"
-.TH remquo 3 2023-10-31 "Linux man-pages 6.7"
-.SH NAME
-remquo, remquof, remquol \- remainder and part of quotient
-.SH LIBRARY
-Math library
-.RI ( libm ", " \-lm )
-.SH SYNOPSIS
-.nf
-.B #include <math.h>
-.P
-.BI "double remquo(double " x ", double " y ", int *" quo );
-.BI "float remquof(float " x ", float " y ", int *" quo );
-.BI "long double remquol(long double " x ", long double " y ", int *" quo );
-.fi
-.P
-.RS -4
-Feature Test Macro Requirements for glibc (see
-.BR feature_test_macros (7)):
-.RE
-.P
-.BR remquo (),
-.BR remquof (),
-.BR remquol ():
-.nf
- _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L
-.fi
-.SH DESCRIPTION
-These functions compute the remainder and part of the quotient
-upon division of
-.I x
-by
-.IR y .
-A few bits of the quotient are stored via the
-.I quo
-pointer.
-The remainder is returned as the function result.
-.P
-The value of the remainder is the same as that computed by the
-.BR remainder (3)
-function.
-.P
-The value stored via the
-.I quo
-pointer has the sign of
-.I x\~/\~y
-and agrees with the quotient in at least the low order 3 bits.
-.P
-For example, \fIremquo(29.0,\ 3.0)\fP returns \-1.0 and might store 2.
-Note that the actual quotient might not fit in an integer.
-.\" A possible application of this function might be the computation
-.\" of sin(x). Compute remquo(x, pi/2, &quo) or so.
-.\"
-.\" glibc, UnixWare: return 3 bits
-.\" MacOS 10: return 7 bits
-.SH RETURN VALUE
-On success, these functions return the same value as
-the analogous functions described in
-.BR remainder (3).
-.P
-If
-.I x
-or
-.I y
-is a NaN, a NaN is returned.
-.P
-If
-.I x
-is an infinity,
-and
-.I y
-is not a NaN,
-a domain error occurs, and
-a NaN is returned.
-.P
-If
-.I y
-is zero,
-and
-.I x
-is not a NaN,
-a domain error occurs, and
-a NaN is returned.
-.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 an infinity or \fIy\fP is 0, \
-and the other argument is not a NaN
-.\" .I errno
-.\" is set to
-.\" .BR EDOM .
-An invalid floating-point exception
-.RB ( FE_INVALID )
-is raised.
-.P
-These functions do not set
-.IR errno .
-.\" FIXME . Is it intentional that these functions do not set errno?
-.\" Bug raised: https://www.sourceware.org/bugzilla/show_bug.cgi?id=6802
-.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 remquo (),
-.BR remquof (),
-.BR remquol ()
-T} Thread safety MT-Safe
-.TE
-.SH STANDARDS
-C11, POSIX.1-2008.
-.SH HISTORY
-glibc 2.1.
-C99, POSIX.1-2001.
-.SH SEE ALSO
-.BR fmod (3),
-.BR logb (3),
-.BR remainder (3)