acoshd64(3M)acoshd64(3M)NAMEacoshd64(), acoshd128(), acoshd32() - decimal arc hyperbolic cosine
functions
SYNOPSISDESCRIPTION
returns the arc hyperbolic cosine of x, in the range +0 to +infinity.
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
If x < 1, returns NaN and raises the invalid exception.
If x is +infinity returns +infinity.
If x is NaN, returns NaN.
raises the inexact exception whenever a rounded result does not equal
the mathematical result.
ERRORS
If x < 1, sets to
SEE ALSOasinhd64(3M), atanhd64(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 acoshd64(3M)