Package Exports
- @writetome51/get-rounded-to-precision
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Readme
getRoundedToPrecision(
num,
positionRelativeToDecimal: integer
): number
Returns num rounded to positionRelativeToDecimal.
To round to a position on the left of the decimal, set it to a negative number.
To round to a position on the right of the decimal, set it to a positive number.
Its algorithm prevents cumulative rounding errors.
Examples
getRoundedToPrecision(123.1, -2); // --> 100
getRoundedToPrecision(123.1, -1); // --> 120
getRoundedToPrecision(123.1, 0); // --> 123
getRoundedToPrecision(123.199, 2); // --> 123.2
getRoundedToPrecision(123.19955, 4); // --> 123.1996
getRoundedToPrecision(1.8545, 3); // --> 1.854
// if `num` is integer, it returns `num` unchanged.
getRoundedToPrecision(1, 2); // --> 1Installation
npm i @writetome51/get-rounded-to-precision
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import {getRoundedToPrecision} from '@writetome51/get-rounded-to-precision';