MirOS Manual: acosh(3), acoshf(3)

ACOSH(3)                   BSD Programmer's Manual                    ACOSH(3)

NAME

     acosh, acoshf - inverse hyperbolic cosine function

LIBRARY

     libm

SYNOPSIS

     #include <math.h>

     double
     acosh(double x);

     float
     acoshf(float x);

DESCRIPTION

     The acosh() and acoshf() functions compute the inverse hyperbolic cosine
     of the real argument x.

RETURN VALUES

     If x is less than one, acosh(x) and acoshf(x) return NaN and set the glo-
     bal variable errno to EDOM.

SEE ALSO

     asinh(3), atanh(3), exp(3), math(3)

HISTORY

     The acosh() function appeared in 4.3BSD.

MirOS BSD #10-current            May 6, 1991                                 1

Generated on 2012-02-20 02:47:02 by $MirOS: src/scripts/roff2htm,v 1.70 2011/12/03 18:21:12 tg Exp $

These manual pages and other documentation are copyrighted by their respective writers; their source is available at our CVSweb, AnonCVS, and other mirrors. The rest is Copyright © 2002‒2011 The MirOS Project, Germany.
This product includes material provided by Thorsten Glaser.

This manual page’s HTML representation is supposed to be valid XHTML/1.1; if not, please send a bug report – diffs preferred.