Computer Security Resource Center

Computer Security Resource Center

Computer Security
Resource Center

Glossary

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⎾a⏋

Acronym(s):

None

Definition(s):

  The ceiling of a: the smallest integer that is greater than or equal to a. For example, ⎾5⏋ = 5, ⎾5.3⏋ = 6, and ⎾–2.1⏋ = –2.
Source(s): FIPS 186-4

Synonym(s):
⎾x⏋
  The ceiling of x; the smallest integer ≥ x. For example, 5 = 5, 5.3 = 6.
Source(s): NIST SP 800-56A Rev. 2   For a real number x, ⎾x⏋is the least integer that is not strictly less than x. For example, ⎾3.2⏋=4, ⎾-3.2⏋=-3, and ⎾6⏋=6.
Source(s): FIPS 202   The smallest integer that is larger than or equal to X. The ceiling of X.
Source(s): NIST SP 800-108   The ceiling of x; the smallest integer ≥ x. For example, ⎾5⏋= 5 and ⎾5.2⏋= 6.
Source(s): NIST SP 800-135 Rev. 1
See Also:

None