round-decimal


Decimal rounding with ULP.

> Warning
> Work in process

Installation

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``bash
npm install -D round-decimal
`

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#### jsDelivr

Load roundDecimal from jsDelivr.

`html

`

#### unpkg

Load roundDecimal from unpkg.

`html

`

Usage

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`javascript
roundDecimal(value, minSignificantFractionDigits = 3)
`

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Decimal rounding with ULP.

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- value
- A number.
- minSignificantFractionDigits
- Minimum significant fraction digits.
- Default: 3

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The rounded value.

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`javascript
import roundDecimal from 'round-decimal';

console.log(0.1 + 0.2); // 0.30000000000000004
console.log(roundDecimal(0.1 + 0.2)); // 0.3

console.log(-0.1 - 0.2); // -0.30000000000000004
console.log(roundDecimal(-0.1 - 0.2)); // -0.3

console.log(10000000000.1 + 10000000000.2); // 20000000000.300003
console.log(roundDecimal(10000000000.1 + 10000000000.2)); // 20000000000.3
console.log(roundDecimal(10000000000.1 + 10000000000.2, 6)); // 20000000000.300003

console.log(10000000000000.1 + 10000000000000.2); // 20000000000000.297
console.log(roundDecimal(10000000000000.1 + 10000000000000.2)); // 20000000000000.297
console.log(roundDecimal(10000000000000.1 + 10000000000000.2, 2)); // 20000000000000.3

console.log(roundDecimal(1.3549999999999998)); // 1.355
``

Try it out on JSFiddle.

License

MIT