From fc22b3d6507c6745911b9dfcc68f1e665ae13dbc Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 15 Apr 2024 21:43:11 +0200 Subject: Adding upstream version 4.22.0. Signed-off-by: Daniel Baumann --- upstream/archlinux/man3/acosh.3 | 124 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 124 insertions(+) create mode 100644 upstream/archlinux/man3/acosh.3 (limited to 'upstream/archlinux/man3/acosh.3') diff --git a/upstream/archlinux/man3/acosh.3 b/upstream/archlinux/man3/acosh.3 new file mode 100644 index 00000000..97be4bfc --- /dev/null +++ b/upstream/archlinux/man3/acosh.3 @@ -0,0 +1,124 @@ +'\" 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 2002-07-25 by Walter Harms +.\" (walter.harms@informatik.uni-oldenburg.de) +.\" +.TH acosh 3 2023-10-31 "Linux man-pages 6.06" +.SH NAME +acosh, acoshf, acoshl \- inverse hyperbolic cosine function +.SH LIBRARY +Math library +.RI ( libm ", " \-lm ) +.SH SYNOPSIS +.nf +.B #include +.P +.BI "double acosh(double " x ); +.BI "float acoshf(float " x ); +.BI "long double acoshl(long double " x ); +.P +.fi +.RS -4 +Feature Test Macro Requirements for glibc (see +.BR feature_test_macros (7)): +.RE +.P +.BR acosh (): +.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 acoshf (), +.BR acoshl (): +.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 calculate the inverse hyperbolic cosine of +.IR x ; +that is the value whose hyperbolic cosine is +.IR x . +.SH RETURN VALUE +On success, these functions return the inverse hyperbolic cosine of +.IR x . +.P +If +.I x +is a NaN, a NaN is returned. +.P +If +.I x +is +1, +0 is returned. +.P +If +.I x +is positive infinity, positive infinity is returned. +.P +If +.I x +is less than 1, +a domain error occurs, +and the functions return a NaN. +.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 less than 1 +.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 acosh (), +.BR acoshf (), +.BR acoshl () +T} Thread safety MT-Safe +.TE +.SH STANDARDS +C11, POSIX.1-2008. +.SH HISTORY +C99, POSIX.1-2001. +.P +The variant returning +.I double +also conforms to +SVr4, 4.3BSD. +.SH SEE ALSO +.BR asinh (3), +.BR atanh (3), +.BR cacosh (3), +.BR cosh (3), +.BR sinh (3), +.BR tanh (3) -- cgit v1.2.3