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advice about negative zeroes on README

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Marcell Guilherme Costa da Silva 2020-05-07 01:01:50 -03:00 committed by GitHub
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@ -139,6 +139,17 @@ Decimal.sqrt('6.98372465832e+9823') // '8.3568682281821340204e+4911'
Decimal.pow(2, 0.0979843) // '1.0702770511687781839'
```
Note that signed zeroes are implemented, following the IEEE Standard
for Floating-Point Arithmetic (IEEE 754).
```js
Decimal(0).valueOf() // '0'
Decimal(0).isNegative() // false
Decimal(0).negated().valueOf() // '-0'
Decimal(0).negated().isNegative() // true
```
There are `isNaN` and `isFinite` methods, as `NaN` and `Infinity` are valid `Decimal` values,
```js