What Is Floor Division

Floor division always rounds away from zero for negative numbers so 3 5 will round to 4 but towards zero for positive numbers so 3 5 will round to 3.

What is floor division. Assuming such shifts are premature optimization and replacing them with division can break software. Division works differently in python 2 and 3. In python 2 floor division is the default. This kind of rounding is sometimes called rounding toward negative infinity.

Remarks also referred to as integer division. To round a number up to the nearest integer look at the ceil function. The floor method rounds a number downwards to the nearest integer and returns the result. The resultant value is a whole integer though the result s type is not necessarily int.

For example 5 2 in floor division is not 2 5 but 2. There are two types of division operations in python. Floor division with operator note. To round a floating point number look at the round function.

10 4 2 5 normal division 10 4 2 floor division. Floor division is division where the answer is rounded down. If you imagine a room where 3 is on the ceiling and 2 is on the floor. Floor division description.

The floor function rounds a number down to the nearest integer if necessary and returns the result. Ordinary division with operator 2. Floor division means the will. Division by a power of 2 is often written as a right shift not for optimization as might be assumed but because the floor of negative results is required.

But for floor division in python 2 int int int to understand m. The behavior of this method follows ieee standard 754 section 4. Double values 7 03 7 64 0 12 0 12. It basically cuts of the part after the period.

Floor division and modulo are linked by the following identity x x y y x y which is why modulo also yields unexpected results for negative numbers not just floor division.