From 399644e47874bff147afb19c89228901ac39340e Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 15 Apr 2024 21:40:15 +0200 Subject: Adding upstream version 6.05.01. Signed-off-by: Daniel Baumann --- man3/cos.3 | 119 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 119 insertions(+) create mode 100644 man3/cos.3 (limited to 'man3/cos.3') diff --git a/man3/cos.3 b/man3/cos.3 new file mode 100644 index 0000000..44e3444 --- /dev/null +++ b/man3/cos.3 @@ -0,0 +1,119 @@ +'\" t +.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk) +.\" and Copyright 2008, Linux Foundation, written by Michael Kerrisk +.\" +.\" +.\" 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 2002-07-27 by Walter Harms +.\" (walter.harms@informatik.uni-oldenburg.de) +.TH cos 3 2023-07-20 "Linux man-pages 6.05.01" +.SH NAME +cos, cosf, cosl \- cosine function +.SH LIBRARY +Math library +.RI ( libm ", " \-lm ) +.SH SYNOPSIS +.nf +.B #include +.PP +.BI "double cos(double " x ); +.BI "float cosf(float " x ); +.BI "long double cosl(long double " x ); +.fi +.PP +.RS -4 +Feature Test Macro Requirements for glibc (see +.BR feature_test_macros (7)): +.RE +.PP +.BR cosf (), +.BR cosl (): +.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 cosine of +.IR x , +where +.I x +is +given in radians. +.SH RETURN VALUE +On success, these functions return the cosine of +.IR x . +.PP +If +.I x +is a NaN, a NaN is returned. +.PP +If +.I x +is positive infinity or negative infinity, +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. +.PP +The following errors can occur: +.TP +Domain error: \fIx\fP is an infinity +.I errno +is set to +.B EDOM +(but see BUGS). +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 cos (), +.BR cosf (), +.BR cosl () +T} Thread safety MT-Safe +.TE +.sp 1 +.SH STANDARDS +C11, POSIX.1-2008. +.SH HISTORY +C89, POSIX.1-2001. +.PP +The variant returning +.I double +also conforms to +SVr4, 4.3BSD. +.SH BUGS +Before glibc 2.10, the glibc implementation did not set +.\" https://www.sourceware.org/bugzilla/show_bug.cgi?id=6780 +.I errno +to +.B EDOM +when a domain error occurred. +.SH SEE ALSO +.BR acos (3), +.BR asin (3), +.BR atan (3), +.BR atan2 (3), +.BR ccos (3), +.BR sin (3), +.BR sincos (3), +.BR tan (3) -- cgit v1.2.3