What Is Floor Division

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.

What is floor division.

Remarks also referred to as integer division. To round a number up to the nearest integer look at the ceil function. Floor division description. Floor division with operator note.

To round a floating point number look at the round function. There are two types of division operations in python. Double values 7 03 7 64 0 12 0 12. 10 4 2 5 normal division 10 4 2 floor division.

But for floor division in python 2 int int int to understand m. In python 2 floor division is the default. The resultant value is a whole integer though the result s type is not necessarily int. 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.

The behavior of this method follows ieee standard 754 section 4. The floor method rounds a number downwards to the nearest integer and returns the result. Ordinary division with operator 2. The following example illustrates the math floor double method and contrasts it with the ceiling double method.

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. Floor division means the will. Floor division is division where the answer is rounded down. 2 5 would fit in the middle.

Assuming such shifts are premature optimization and replacing them with division can break software. Division works differently in python 2 and 3. It basically cuts of the part after the period. For example 5 2 in floor division is not 2 5 but 2.

If you imagine a room where 3 is on the ceiling and 2 is on the floor.