diff options
Diffstat (limited to 'man3/remainder.3')
| -rw-r--r-- | man3/remainder.3 | 234 |
1 files changed, 0 insertions, 234 deletions
diff --git a/man3/remainder.3 b/man3/remainder.3 deleted file mode 100644 index 2a937ee48..000000000 --- a/man3/remainder.3 +++ /dev/null @@ -1,234 +0,0 @@ -'\" t -.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk) -.\" and Copyright 2008, Linux Foundation, written by Michael Kerrisk -.\" <mtk.manpages@gmail.com> -.\" -.\" SPDX-License-Identifier: Linux-man-pages-copyleft -.\" -.\" References consulted: -.\" Linux libc source code -.\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991) -.\" 386BSD man pages -.\" -.\" Modified 1993-07-24 by Rik Faith (faith@cs.unc.edu) -.\" Modified 2002-08-10 Walter Harms -.\" (walter.harms@informatik.uni-oldenburg.de) -.\" Modified 2003-11-18, 2004-10-05 aeb -.\" -.TH remainder 3 (date) "Linux man-pages (unreleased)" -.SH NAME -drem, dremf, dreml, remainder, remainderf, remainderl \- \ -floating-point remainder function -.SH LIBRARY -Math library -.RI ( libm ", " \-lm ) -.SH SYNOPSIS -.nf -.B #include <math.h> -.P -.BI "double remainder(double " x ", double " y ); -.BI "float remainderf(float " x ", float " y ); -.BI "long double remainderl(long double " x ", long double " y ); -.P -/* Obsolete synonyms */ -.BI "[[deprecated]] double drem(double " x ", double " y ); -.BI "[[deprecated]] float dremf(float " x ", float " y ); -.BI "[[deprecated]] long double dreml(long double " x ", long double " y ); -.fi -.P -.RS -4 -Feature Test Macro Requirements for glibc (see -.BR feature_test_macros (7)): -.RE -.P -.BR remainder (): -.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 remainderf (), -.BR remainderl (): -.nf - _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L - || /* Since glibc 2.19: */ _DEFAULT_SOURCE - || /* glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE -.fi -.P -.BR drem (), -.BR dremf (), -.BR dreml (): -.nf - /* Since glibc 2.19: */ _DEFAULT_SOURCE - || /* glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE -.fi -.SH DESCRIPTION -These -functions compute the remainder of dividing -.I x -by -.IR y . -The return value is -\fIx\fP\-\fIn\fP*\fIy\fP, -where -.I n -is the value -.IR "x\ /\ y" , -rounded to the nearest integer. -If the absolute value of -\fIx\fP\-\fIn\fP*\fIy\fP -is 0.5, -.I n -is chosen to be even. -.P -These functions are unaffected by the current rounding mode (see -.BR fenv (3)). -.P -The -.BR drem () -function does precisely the same thing. -.SH RETURN VALUE -On success, these -functions return the floating-point remainder, -\fIx\fP\-\fIn\fP*\fIy\fP. -If the return value is 0, it has the sign of -.IR x . -.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, -.\" FIXME . Instead, glibc gives a domain error even if x is a NaN -and -.I x -is not a NaN, -.\" Interestingly, remquo(3) does not have the same problem. -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 and \fIy\fP is not a NaN -.I errno -is set to -.B EDOM -(but see BUGS). -An invalid floating-point exception -.RB ( FE_INVALID ) -is raised. -.IP -These functions do not set -.I errno -for this case. -.TP -Domain error: \fIy\fP is zero\" [XXX see bug above] and \fIx\fP is not a NaN -.I errno -is set to -.BR EDOM . -An invalid floating-point exception -.RB ( FE_INVALID ) -is raised. -.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 drem (), -.BR dremf (), -.BR dreml (), -.BR remainder (), -.BR remainderf (), -.BR remainderl () -T} Thread safety MT-Safe -.TE -.SH STANDARDS -.\" IEC 60559. -.TP -.BR remainder () -.TQ -.BR remainderf () -.TQ -.BR remainderl () -C11, POSIX.1-2008. -.TP -.BR drem () -.TQ -.BR dremf () -.TQ -.BR dreml () -None. -.SH HISTORY -.\" IEC 60559. -.TP -.BR remainder () -.TQ -.BR remainderf () -.TQ -.BR remainderl () -C99, POSIX.1-2001. -.TP -.BR drem () -4.3BSD. -.TP -.BR dremf () -.TQ -.BR dreml () -Tru64, glibc2. -.SH BUGS -Before glibc 2.15, -.\" https://www.sourceware.org/bugzilla/show_bug.cgi?id=6779 -the call -.P -.in +4n -.EX -remainder(nan(""), 0); -.EE -.in -.P -returned a NaN, as expected, but wrongly caused a domain error. -Since glibc 2.15, a silent NaN (i.e., no domain error) is returned. -.P -Before glibc 2.15, -.\" https://www.sourceware.org/bugzilla/show_bug.cgi?id=6783 -.I errno -was not set to -.B EDOM -for the domain error that occurs when -.I x -is an infinity and -.I y -is not a NaN. -.SH EXAMPLES -The call "remainder(29.0, 3.0)" returns \-1. -.SH SEE ALSO -.BR div (3), -.BR fmod (3), -.BR remquo (3) |