writetome51 / get-rounded-up-down

3 functions for rounding floats to integers

getRounded(num): number

Avoids cumulative rounding errors only by changing rounding rules when
the fraction part of num is .5 :

• If num's whole number is even, num is rounded toward zero.
• If num's whole number is odd, num is rounded away from zero.

getRoundedDown(num): number

Behaves same as Math.floor() .

getRoundedUp(num): number

Behaves same as Math.ceil() .

For all 3 functions, num must be a finite number of type 'number'.

Installation

npm i @writetome51/get-rounded-up-down

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import { getRounded, getRoundedDown, getRoundedUp } 
    from '@writetome51/get-rounded-up-down';