atanhd64(3M)atanhd64(3M)NAMEatanhd64(), atanhd128(), atanhd32() - decimal arc hyperbolic tangent
functions
SYNOPSISDESCRIPTION
returns the arc hyperbolic tangent of x.
is a version of it takes a argument and returns a result.
is a version of it takes a argument and returns a result.
These math functions are supported for HP-UX 11i Version 3 September
2008 Update and forward.
USAGE
To use any of these functions, compile with the option.
Make sure your program defines and then includes
Link in the math library by specifying or on the linking command line.
For more information, see the at the following site:
RETURN VALUE
and raises the divide-by-zero floating-point exception.
If |x| > 1, returns NaN and raises the invalid exception.
If x is NaN, returns NaN.
raises the underflow exception whenever a result is tiny (essentially
subnormal or zero) and inexact.
raises the inexact exception whenever a rounded result does not equal
the mathematical result.
ERRORS
If |x| > 1, sets to
SEE ALSOacoshd64(3M), asinhd64(3M), coshd64(3M), sinhd64(3M), tanhd64(3M),
math(5).
STANDARDS CONFORMANCE
These functions conform to ISO/IEC TR 24732, "Extension for the pro‐
gramming language C to support decimal floating-point arithmetic".
HP Integrity Server Only atanhd64(3M)