From 80f1c436b0fd76fb1e66ec64616825989af4df9a Mon Sep 17 00:00:00 2001 From: Michael Kerrisk Date: Mon, 24 Dec 2007 11:42:27 +0000 Subject: [PATCH] Various reformattings. --- man3/cacosh.3 | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-) diff --git a/man3/cacosh.3 b/man3/cacosh.3 index c153912e4..a8e2b788e 100644 --- a/man3/cacosh.3 +++ b/man3/cacosh.3 @@ -1,7 +1,7 @@ .\" Copyright 2002 Walter Harms(walter.harms@informatik.uni-oldenburg.de) .\" Distributed under GPL .\" -.TH CACOSH 3 2002-07-28 "" "Linux Programmer's Manual" +.TH CACOSH 3 2007-12-26 "" "Linux Programmer's Manual" .SH NAME cacosh, cacoshf, cacoshl \- complex arc hyperbolic cosine .SH SYNOPSIS @@ -17,13 +17,21 @@ Link with \fI\-lm\fP. .SH DESCRIPTION The .BR cacosh () -function calculates the complex acosh(3). -If y = cacosh(z), then z = ccosh(y). -The imaginary part of y is chosen in the interval [\-pi,pi]. -The real part of y is chosen non-negative. +function calculates the complex arc hyperpolic cosinze of +.IR z . +If \fIy\ =\ cacosh(z)\fP, then \fIz\ =\ ccosh(y)\fP. +The imaginary part of +.I y +is chosen in the interval [\-pi,pi]. +The real part of +.I y +is chosen non-negative. .LP One has: -cacosh(z) = (0.5) * clog((1 + z) / (1 \- z)). +.nf + + cacosh(z) = (0.5) * clog((1 + z) / (1 \- z)) +.fi .SH "CONFORMING TO" C99 .SH "SEE ALSO"