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diff --git a/upstream/fedora-rawhide/man3/remquo.3 b/upstream/fedora-rawhide/man3/remquo.3 new file mode 100644 index 00000000..0424af68 --- /dev/null +++ b/upstream/fedora-rawhide/man3/remquo.3 @@ -0,0 +1,138 @@ +'\" 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 6.06" +.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) |