trunc

Rounds to the nearest integer in the direction of 0.

Syntax

• trunc(x)

  • x is a real number

Description

If x is a real number, then trunc(x) is the integer obtained by truncating x, that is, by rounding x towards 0.

Examples

trunc(π)

3

trunc(e)

2

trunc(−π)

−3

trunc(−e)

−2

See also

• frac

• round

• ceil (⌈⌉)

• floor (⌊⌋)

Don’t confuse with

• truncate