truncate(*args) public

Returns float truncated (toward zero) to a precision of ndigits decimal digits (default: 0).

When the precision is negative, the returned value is an integer with at least ndigits.abs trailing zeros.

Returns a floating point number when ndigits is positive, otherwise returns an integer.

2.8.truncate           #=> 2
(-2.8).truncate        #=> -2
1.234567.truncate(2)   #=> 1.23
34567.89.truncate(-2)  #=> 34500

Note that the limited precision of floating point arithmetic might lead to surprising results:

(0.3 / 0.1).truncate  #=> 2 (!)
Show source
Register or log in to add new notes.