Logo

Programming-Idioms

History of Idiom 81 > diff from v41 to v42

Edit summary for version 42 by Jeff%20S:
[Python] Fix rounding up/down.

Version 41

2017-12-08, 14:17:04

Version 42

2018-01-26, 19:55:55

Idiom #81 Round floating point number to integer

Declare integer y and initialize it with the rounded value of floating point number x .
Ties (when the fractional part of x is exactly .5) must be rounded up (to positive infinity).

Idiom #81 Round floating point number to integer

Declare integer y and initialize it with the rounded value of floating point number x .
Ties (when the fractional part of x is exactly .5) must be rounded up (to positive infinity).

Imports
import math
Imports
import math
Code
y = float(y)
x = int(math.ceil(y))
Code
y = float(y)
x = math.floor(y+0.5)