hpux man page for acosd128

acosd64(3M)															       acosd64(3M)

NAME
       acosd64(), acosd128(), acosd32() - decimal arccosine functions

SYNOPSIS
DESCRIPTION
       returns the arccosine 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
       If the magnitude of x is greater than 1, returns NaN and raises the invalid exception.

       If x is NaN, returns NaN.

       raises the inexact exception whenever a rounded result does not equal the mathematical result.

ERRORS
       If the magnitude of x is greater than 1, sets to

SEE ALSO
       asind64(3M), atan2d64(3M), atand64(3M), cosd64(3M), sind64(3M), tand64(3M), math(5).

STANDARDS CONFORMANCE
       These functions conform to ISO/IEC TR 24732, "Extension for the programming language C to support decimal floating-point arithmetic".

							     HP Integrity Server Only						       acosd64(3M)