mirror of
https://github.com/josdejong/mathjs.git
synced 2026-01-18 14:59:29 +00:00
47 lines
1021 B
Markdown
47 lines
1021 B
Markdown
# Function floor
|
|
|
|
Round a value towards minus infinity. If x is complex, both real and imaginary part are rounded towards minus infinity. For matrices, the function is evaluated element wise.
|
|
|
|
|
|
## Syntax
|
|
|
|
```js
|
|
math.floor(x)
|
|
```
|
|
|
|
### Parameters
|
|
|
|
Parameter | Type | Description
|
|
--------- | ---- | -----------
|
|
`x` | Number | BigNumber | Boolean | Complex | Array | Matrix | Number to be rounded
|
|
|
|
### Returns
|
|
|
|
Type | Description
|
|
---- | -----------
|
|
Number | BigNumber | Complex | Array | Matrix | Rounded value
|
|
|
|
|
|
## Examples
|
|
|
|
```js
|
|
var math = mathjs();
|
|
|
|
math.floor(3.2); // returns Number 3
|
|
math.floor(3.8); // returns Number 3
|
|
math.floor(-4.2); // returns Number -5
|
|
math.floor(-4.7); // returns Number -5
|
|
|
|
var c = math.complex(3.2, -2.7);
|
|
math.floor(c); // returns Complex 3 - 3i
|
|
|
|
math.floor([3.2, 3.8, -4.7]); // returns Array [3, 3, -5]
|
|
```
|
|
|
|
|
|
## See also
|
|
|
|
[ceil](ceil.md),
|
|
[fix](fix.md),
|
|
[round](round.md)
|