hexmode | R Documentation |
Convert or print integers in hexadecimal format, with as many digits as are needed to display the largest, using leading zeroes as necessary.
as.hexmode(x) ## S3 method for class 'hexmode' as.character(x, ...) ## S3 method for class 'hexmode' format(x, width = NULL, upper.case = FALSE, ...) ## S3 method for class 'hexmode' print(x, ...)
x |
An object, for the methods inheriting from class |
width |
|
upper.case |
a logical indicating whether to use upper-case letters or lower-case letters (default). |
... |
further arguments passed to or from other methods. |
Class "hexmode"
consists of integer vectors with that class
attribute, used merely to ensure that they are printed in hex.
If width = NULL
(the default), the output is padded with
leading zeroes to the smallest width needed for all the non-missing
elements.
as.hexmode
can convert integers (of type "integer"
or
"double"
) and character vectors whose elements contain only
0-9
, a-f
, A-F
(or are NA
) to class
"hexmode"
.
There is a !
method and methods for |
and
&
:
these recycle their arguments to the length of the longer and then
apply the operators bitwise to each element.
octmode
, sprintf
for other options in
converting integers to hex, strtoi
to convert hex
strings to integers.
i <- as.hexmode("7fffffff") i; class(i) identical(as.integer(i), .Machine$integer.max) hm <- as.hexmode(c(NA, 1)); hm as.integer(hm)
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