- Ceiling: Go to the next integer right of where you are. As discussed in the previous section, when the modulo operator is used with an int, the remainder will take the sign of the divisor: >>> $\begingroup$ Look at the number line - Floor: Go to the next integer left of where you are. That is to say result contains decimal part. Remarks¶. floor() It accepts a number with decimal as parameter and returns the integer which is smaller than the number itself. We use the // sign to perform floor division in Python. Syntax Syntax: floor(x) Where x is a numeric value Example of floor() Meanwhile, the same operation in Python 2 represents a classic division that rounds the result down toward negative infinity (also known as taking the floor ). To perform float division in Python, you can use / operator. Also referred to as integer division. Below is an example in which the second parameter is a negative number. These two methods are part of python math module which helps in getting the nearest integer values of a fractional number. This corrects the bias towards larger numbers when performing a large number of calculations. When two positive numbers are involved then it returns the quotient after removing the decimal parts. When one of the operand is a negative number then it floors the result towards negative infinity. # import math library import math print (math.floor(15)) print (math.floor(-2.3)) print (math.floor(3.5)) Output of Python math.floor() Function 15-3 3 Note that in output all the numbers (whether they are negative or positive) are less than or equal to the input value by using math.floor() function. Division operator / accepts two arguments and performs float division. Floor Division. Points to note! The resultant value is a whole integer, though the result’s type is not necessarily int. floor, ceil, and trunc always return an Integral value, while round returns an Integral value if called with one argument.. round(1.3) # 1 round(1.33, 1) # 1.3 round breaks ties towards the nearest even number. The 7 is the result of the floor division of 37 and 5. In Python, the Floor-Division operator consists of two forward slashes. He's probably right; the truncate-towards-negative-infinity rule can cause precision loss for x%1.0 when x is a very small negative number. The 2 is the result of 37 modulo 5. Float division means, the division operation happens until the capacity of a float number. Python Float Division. Tim Peters, who knows where all Python's floating point skeletons are buried, has expressed some worry about my desire to extend these rules to floating point modulo. 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