def myround(x, base=5): roundcontext = decimal.Context(rounding=decimal.ROUND_HALF_UP) decimal.setcontext(roundcontext) return int(base *float(decimal.Decimal(x/base).quantize(decimal.Decimal('0'))) 根据文档其他舍入选项是: ROUND_CEILING(朝向Infinity), ROUND_DOWN(朝零), ROUND_FLOOR(朝向-I...
return dict(d) # Define a list of numbers 'nums' and a function 'floor' for rounding down. nums = [7, 23, 3.2, 3.3, 8.4] # Print the original list and specify the function used for grouping. print("Original list & function:") print(nums, " Function name: floor:") # Call the...
getcontext().rounding = getattr(decimal,'') ROUND_CEILING 总是趋向无穷大向上取整 ROUND_DOWN 总是趋向 0 取整 ROUND_FLOOR 总是趋向负无穷大向下取整 ROUND_HALF_DOWN 如果最后一个有效数字大于或等于 5 则朝 0 反方向取整;否则,趋向 0 取整 ROUND_HALF_EVEN 类似于 ROUND_HALF_DOWN,不过,如果最后一个...
Here, we take a look at how you can use the Python function round() next time you need it: Code # Rounding off integers using round() print("Round integer 33: ") print(round(33)) # Rounding off floating point, to show that at 0.5, it rounds to the closest even number print("Ro...
The numpy.floor() function can be applied to multi-dimensional arrays. When you apply it to a multi-dimensional array, it operates element-wise on each element of the array, rounding each element down to the nearest integer. Are there alternatives to numpy.floor() for rounding towards negativ...
Another helpful tool is thesum()function which helps mitigate loss-of-precision during summation. It uses extended precision for intermediate rounding steps as values are added onto a running total. That can make a difference in overall accuracy so that the errors do not accumulate to the point...
for objects that might require extra cleanup upon deletion, like sockets or file objects. Be careful, however, as there is no guarantee that__del__will be executed if the object is still alive when the interpreter exits, so__del__can't serve as a replacement for good coding practices (...
for the built-in round() function says that it rounds to the nearest value, rounding ties away...
Float sys is needed to set the depth forrecursion. """ from __future__ import print_function...
Rounding out the rest of Tiobe's latest index, C++ took fourth place followed by C#, Visual Basic, JavaScript, Php, R and SQL to make up the rest of the top ten most popular programming languages. However, Java still has ...