acosh man page on MirBSD

acosh man page on MirBSD

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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

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