58 lines
1.7 KiB
Groff
58 lines
1.7 KiB
Groff
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.\" $NetBSD: cacos.3,v 1.1 2008/02/20 09:55:38 drochner Exp $
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.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved
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.TH "CACOS" 3P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual"
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.\" cacos
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.SH NAME
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cacos, cacosf \- complex arc cosine functions
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.SH SYNOPSIS
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.LP
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\fB#include <complex.h>
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.br
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.sp
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double complex cacos(double complex\fP \fIz\fP\fB);
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.br
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float complex cacosf(float complex\fP \fIz\fP\fB);
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.br
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\fP
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.SH DESCRIPTION
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.LP
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These functions compute the complex arc cosine of \fIz\fP, with
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branch cuts outside the interval [-1,\ +1] along the
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real axis.
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.SH RETURN VALUE
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.LP
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These functions return the complex arc cosine value, in the
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range of a strip mathematically unbounded along the imaginary
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axis and in the interval [0,\ pi] along the real axis.
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.SH ERRORS
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.LP
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No errors are defined.
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.LP
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\fIThe following sections are informative.\fP
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.SH EXAMPLES
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.LP
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None.
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.SH APPLICATION USAGE
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.LP
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None.
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.SH RATIONALE
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.LP
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None.
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.SH FUTURE DIRECTIONS
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.LP
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None.
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.SH SEE ALSO
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.LP
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\fIccos\fP(), the Base Definitions volume of IEEE\ Std\ 1003.1-2001,
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\fI<complex.h>\fP
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.SH COPYRIGHT
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Portions of this text are reprinted and reproduced in electronic form
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from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
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-- Portable Operating System Interface (POSIX), The Open Group Base
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Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
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Electrical and Electronics Engineers, Inc and The Open Group. In the
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event of any discrepancy between this version and the original IEEE and
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The Open Group Standard, the original IEEE and The Open Group Standard
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is the referee document. The original Standard can be obtained online at
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http://www.opengroup.org/unix/online.html .
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