BOOTSTRAP (klibm) functions
LIBRARY ROUTINE
katanh - compute the arc hyperbolic tangent of the argument.
LIBRARY CALL
double katanh(double x)
INPUT
OUTPUT
none
RETURN VALUE
the double precision arc hyperbolic tangent of the input
argument or KMAXFLOAT if the input parameter is less
than -1 or greater than 1.
DESCRIPTION
The kasinh function computes the arc hyperbolic
tangent of the double precision input argument whose
value lies between -1 and 1.
katanh is not a POSIX function, but is
implemented in a few BSD math libraries.
If it is implemented for the current architecture
in libm.a, then this is simply a macro to atanh,
otherwise katanh is a macro to the Khoros
portable version of atanh.
ADDITIONAL INFORMATION
none
EXAMPLES
none
SIDE EFFECTS
none
RESTRICTIONS
none
MODIFICATION
none
FILES
$BOOTSTRAP/objects/library/klibm/src/klibm.c
SEE ALSO
klibm(3)
COPYRIGHT
Copyright (C) 1993 - 1997, Khoral Research, Inc. ("KRI") All rights reserved.