bit set

A small, numbered collection of bits that can be examined and manipulated.

Creation
Properties
Casts
Operators

Version	Platforms
8.0.584.0	AIX, HP-UX, Mac, Red Hat, SUSE, Session, Solaris, Windows
8.1.535.0	Debian, Ubuntu
9.5.13.130	Raspbian

Creation

bit <integer> : bit set

Returns a bit set with the nth bit set.

Q: bit 5
A: 100000

Plural: bits

Version	Platforms
8.0.584.0	AIX, HP-UX, Mac, Red Hat, SUSE, Session, Solaris, Windows
8.1.535.0	Debian, Ubuntu
9.5.13.130	Raspbian

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bit set <string> : bit set

Returns the bits of the binary number given by the string.

Q: bit set "1010"
A: 1010

Plural: bit sets

Version	Platforms
8.0.584.0	AIX, HP-UX, Mac, Red Hat, SUSE, Session, Solaris, Windows
8.1.535.0	Debian, Ubuntu
9.5.13.130	Raspbian

permalink source

<integer> as bit set : bit set

Returns the bits of the binary representation of the integer; bit zero is the least-significant bit.

Q: 42 as bit set
A: 101010

Version	Platforms
8.0.584.0	AIX, HP-UX, Mac, Red Hat, SUSE, Session, Solaris, Windows
8.1.535.0	Debian, Ubuntu
9.5.13.130	Raspbian

permalink source

<integer> as bits : bit set

Returns the bits of the binary representation of the integer; bit zero is the least-significant bit.

Q: 42 as bits
A: 101010

Version	Platforms
8.0.584.0	AIX, HP-UX, Mac, Red Hat, SUSE, Session, Solaris, Windows
8.1.535.0	Debian, Ubuntu
9.5.13.130	Raspbian

permalink source

Properties

bit <integer> of <bit set> : boolean

Returns the value of the bit at the nth position in the set.

Q: bit 0 of bit set "10"
A: False

Q: bit 1 of bit set "10"
A: True

Plural: bits

Version	Platforms
8.0.584.0	AIX, HP-UX, Mac, Red Hat, SUSE, Session, Solaris, Windows
8.1.535.0	Debian, Ubuntu
9.5.13.130	Raspbian

permalink source

least significant one bit of <bit set> : integer

Returns the least n such that bit n of the set is 1.

Q: least significant one bit of bit set "1111100"
A: 2

Plural: least significant one bits

Version	Platforms
8.0.584.0	AIX, HP-UX, Mac, Red Hat, SUSE, Session, Solaris, Windows
8.1.535.0	Debian, Ubuntu
9.5.13.130	Raspbian

permalink source

left shift <integer> of <bit set> : bit set

Shift the bit set left n times.

Q: left shift 2 of bit set "10101"
A: 1010100

Plural: left shifts

Version	Platforms
8.0.584.0	AIX, HP-UX, Mac, Red Hat, SUSE, Session, Solaris, Windows
8.1.535.0	Debian, Ubuntu
9.5.13.130	Raspbian

permalink source

most significant one bit of <bit set> : integer

Returns the greatest n such that bit n of the set is 1.

Q: most significant one bit of bit set "1111100"
A: 6

Plural: most significant one bits

Version	Platforms
8.0.584.0	AIX, HP-UX, Mac, Red Hat, SUSE, Session, Solaris, Windows
8.1.535.0	Debian, Ubuntu
9.5.13.130	Raspbian

permalink source

one bit of <bit set> : integer

Returns the numbers n for which bit n of the set is 1.

Q: one bits of bit set "10101"
A: 0
A: 2
A: 4

Plural: one bits

Version	Platforms
8.0.584.0	AIX, HP-UX, Mac, Red Hat, SUSE, Session, Solaris, Windows
8.1.535.0	Debian, Ubuntu
9.5.13.130	Raspbian

permalink source

padded string of <bit set> : string

Returns a string with the bit set padded to 64-bits.

Q: padded string of bit set "10101"
A: 0000000000000000000000000000000000000000000000000000000000010101

Plural: padded strings

Version	Platforms
9.0.586.0	AIX, Debian, HP-UX, Mac, Red Hat, SUSE, Session, Solaris, Ubuntu, Windows
9.5.13.130	Raspbian

permalink source

right shift <integer> of <bit set> : bit set

Shift the bit set right n times.

Q: right shift 2 of bit set "10101"
A: 101

Plural: right shifts

Version	Platforms
8.0.584.0	AIX, HP-UX, Mac, Red Hat, SUSE, Session, Solaris, Windows
8.1.535.0	Debian, Ubuntu
9.5.13.130	Raspbian

permalink source

Casts

<bit set> as integer : integer

Returns the integer whose binary representation matches the bit set.

Q: bit set "10101" as integer
A: 21

Version	Platforms
8.0.584.0	AIX, HP-UX, Mac, Red Hat, SUSE, Session, Solaris, Windows
8.1.535.0	Debian, Ubuntu
9.5.13.130	Raspbian

permalink source

<bit set> as string : string

Returns the bits (0s and 1s) in a string format.

Q: 42 as bits as string
A: 101010

Version	Platforms
8.0.584.0	AIX, HP-UX, Mac, Red Hat, SUSE, Session, Solaris, Windows
8.1.535.0	Debian, Ubuntu
9.5.13.130	Raspbian

permalink source

Operators

<bit set> * <bit set> : bit set

Returns the intersection of the two bit sets.

Q: bit set "10011" * bit set "10101"
A: 10001

Version	Platforms
8.0.584.0	AIX, HP-UX, Mac, Red Hat, SUSE, Session, Solaris, Windows
8.1.535.0	Debian, Ubuntu
9.5.13.130	Raspbian

permalink source

<bit set> + <bit set> : bit set

Returns the union of the two sets.

Q: bit set "10011" + bit set "10101"
A: 10111

Version	Platforms
8.0.584.0	AIX, HP-UX, Mac, Red Hat, SUSE, Session, Solaris, Windows
8.1.535.0	Debian, Ubuntu

permalink source

<bit set> - <bit set> : bit set

Returns the bits that are 1 in the left bit set and 0 in the right bit set.

Q: bit set "10011" - bit set "10101"
A: 10

Version	Platforms
8.0.584.0	AIX, HP-UX, Mac, Red Hat, SUSE, Session, Solaris, Windows
8.1.535.0	Debian, Ubuntu
9.5.13.130	Raspbian

permalink source

<bit set> = <bit set> : boolean

Returns True if the corresponding bits of the two sets are equal.

Version	Platforms
8.0.584.0	AIX, HP-UX, Mac, Red Hat, SUSE, Session, Solaris, Windows
8.1.535.0	Debian, Ubuntu
9.5.13.130	Raspbian

permalink source

<bit set> contains <bit set> : boolean

Returns False if -- for any n -- bit n of the left set is false, but bit n of the right set is true.

Version	Platforms
8.0.584.0	AIX, HP-UX, Mac, Red Hat, SUSE, Session, Solaris, Windows
8.1.535.0	Debian, Ubuntu
9.5.13.130	Raspbian

permalink source