atand(3M)atand(3M)NAMEatand(), atandf(), atandl(), atandw(), atandq() - degree-valued arctan‐
gent functions
SYNOPSIS
HP Integrity Server Only
DESCRIPTION
returns the degree-valued arctangent of x, in the range −90 to 90.
is a version of it takes a argument and returns a result.
Integrity Server Only
is a version of it takes a argument and returns a result.
is an version of it takes an argument and returns an result.
is equivalent to on HP-UX systems.
USAGE
To use these functions, compile either with the default option or with
the and options.
To use (for Integrity servers) or compile also with the option.
To use any of these functions, make sure your program includes and link
in the math library by specifying on the compiler or linker command
line.
For more information, see the at the following site:
RETURN VALUE
If x is
If x is NaN, returns NaN.
ERRORS
No errors are defined.
SEE ALSOacosd(3M), asind(3M), atan(3M), atan2d(3M), cosd(3M), sind(3M),
tand(3M), atan2d(3M), math(5).
STANDARDS CONFORMANCE
These functions are not specified by any standard.
atand(3M)