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. 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. These two methods are part of python math module which helps in getting the nearest integer values of a fractional number. When one of the operand is a negative number then it floors the result towards negative infinity. Points to note! Remarks¶. As discussed in the previous section, when the modulo operator is used with an int, the remainder will take the sign of the divisor: >>> Floor Division. Python Float Division. We use the // sign to perform floor division in Python. That is to say result contains decimal part. floor() It accepts a number with decimal as parameter and returns the integer which is smaller than the number itself. 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. $\endgroup$ – k.stm Mar 28 '13 at 15:26 $\begingroup$ Lower limit: Lower than or equal to it. The 2 is the result of 37 modulo 5. When dividing an integer by another integer in Python 3, the division operation x / y represents a true division (uses __truediv__ method) and produces a floating point result. In Python, the Floor-Division operator consists of two forward slashes. The Floor-Division operator is an example of a binary operator, as it takes two operands: the dividend and the divisor. $\begingroup$ Look at the number line - Floor: Go to the next integer left of where you are. When two positive numbers are involved then it returns the quotient after removing the decimal parts. Below is an example in which the second parameter is a negative number. The resultant value is a whole integer, though the result’s type is not necessarily int. Be sure to like, share and comment to show your support for our tutorials. Syntax Syntax: floor(x) Where x is a numeric value Example of floor() # 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. This corrects the bias towards larger numbers when performing a large number of calculations. Division operator / accepts two arguments and performs float division. Float division means, the division operation happens until the capacity of a float number. 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