84d9c625bf
- Fix for possible unset uid/gid in toproto
- Fix for default mtree style
- Update libelf
- Importing libexecinfo
- Resynchronize GCC, mpc, gmp, mpfr
- build.sh: Replace params with show-params.
This has been done as the make target has been renamed in the same
way, while a new target named params has been added. This new
target generates a file containing all the parameters, instead of
printing it on the console.
- Update test48 with new etc/services (Fix by Ben Gras <ben@minix3.org)
get getservbyport() out of the inner loop
Change-Id: Ie6ad5226fa2621ff9f0dee8782ea48f9443d2091
87 lines
2.5 KiB
Groff
87 lines
2.5 KiB
Groff
.\" Copyright (c) 1991 Regents of the University of California.
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" from: @(#)acosh.3 5.2 (Berkeley) 5/6/91
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.\" $NetBSD: acosh.3,v 1.16 2013/01/29 02:54:30 matt Exp $
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.\"
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.Dd January 29, 2013
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.Dt ACOSH 3
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.Os
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.Sh NAME
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.Nm acosh ,
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.Nm acoshf ,
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.Nm acoshl
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.Nd inverse hyperbolic cosine function
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.Sh LIBRARY
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.Lb libm
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.Sh SYNOPSIS
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.In math.h
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.Ft double
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.Fn acosh "double x"
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.Ft float
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.Fn acoshf "float x"
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.Ft long double
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.Fn acoshl "long double x"
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.Sh DESCRIPTION
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The
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.Fn acosh ,
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.Fn acoshf ,
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and
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.Fn acoshl
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functions compute the inverse hyperbolic cosine
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of the real
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argument
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.Ar x .
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.Sh RETURN VALUES
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.\" POSIX_MODE
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If x is less than one,
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.Fn acosh "x" ,
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.Fn acoshf "x" ,
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and
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.Fn acoshl "x"
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return NaN and set the global variable
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.Va errno
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to EDOM.
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.\" SVR4_MODE
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.\" call
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.\" .Xr matherr 3 .
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.Sh SEE ALSO
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.Xr asinh 3 ,
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.Xr atanh 3 ,
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.Xr exp 3 ,
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.Xr math 3
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.\" .Xr matherr 3
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.Sh HISTORY
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The
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.Fn acosh
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function appeared in
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.Bx 4.3 .
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.Sh STANDARDS
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The
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.Fn acosh
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function conforms to
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.St -isoC-99 .
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