Programming-Idioms

History of Idiom 81 > diff from v11 to v12

Edit summary for version 12 by :

↷

Version 11

2015-09-17, 06:05:29

Version 12

2015-10-29, 14:05:16

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).

Haskell

Haskell

Code

y = floor (x + 1/2)

Code

y = floor (x + 1/2)

Comments bubble

Haskell would round half-ties towards nearest ∈ℤ2 rather than towards +∞

Comments bubble

Haskell would round half-ties towards nearest ∈ℤ2 rather than towards +∞

Doc URL

http://hackage.haskell.org/package/base/docs/Prelude.html#v:floor

Doc URL

http://hackage.haskell.org/package/base/docs/Prelude.html#v:floor

↶ Previous change

Next change ↷

History of Idiom 81 > diff from v11 to v12

Version 11

Version 12

Idiom #81 Round floating point number to integer

Idiom #81 Round floating point number to integer

Code

Code

Comments bubble

Comments bubble

Doc URL

Doc URL

Please choose a nickname before doing this