bit (version 4.0.5)

as.bit.NULL: Coercing to bit

Description

Coercing to bit vector

Usage

# S3 method for `NULL`
as.bit(x, ...)
# S3 method for bit
as.bit(x, ...)
# S3 method for logical
as.bit(x, ...)
# S3 method for integer
as.bit(x, ...)
# S3 method for double
as.bit(x, ...)
# S3 method for bitwhich
as.bit(x, ...)
# S3 method for which
as.bit(x, length = attr(x, "maxindex"), ...)
# S3 method for ri
as.bit(x, ...)
as.bit(x = NULL, ...)

Value

is.bit returns FALSE or TRUE, as.bit returns a vector of class 'bit'

Arguments

x

an object of class bit, logical, integer, bitwhich or an integer from as.which or a boolean ff

...

further arguments

length

the length of the new bit vector

Methods (by class)

• NULL: method to coerce to bit (zero length) from NULL

• bit: method to coerce to bit from bit

• logical: method to coerce to bit from logical

• integer: method to coerce to bit from integer (0L and NA become FALSE, everthing else becomes TRUE)

• double: method to coerce to bit from double (0 and NA become FALSE, everthing else becomes TRUE)

• bitwhich: method to coerce to bit from bitwhich

• which: method to coerce to bit from which

• ri: method to coerce to bit from ri

Author

Jens Oehlschlägel

Details

Coercing to bit is quite fast because we use a double loop that fixes each word in a processor register

See Also

CoercionToStandard, as.booltype, as.bit, as.bitwhich , as.which, as.ri, as.hi, as.ff

Examples

as.bit(c(0L,1L,2L,-2L,NA))
as.bit(c(0,1,2,-2,NA))

as.bit(c(FALSE, NA, TRUE))

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