Function sign

sign(num): number
Returns the sign of a number.
Parameters
- num: number
  
  The number to determine the sign of.
Returns number
The sign of the number: -1 if negative, 0 if zero, 1 if positive.
Static

Example
```
sign(-5);    // Returns -1
   sign(0);     // Returns 0
   sign(10);    // Returns 1
```
- Defined in src/math.ts:905
sign(num): number
Returns the sign of a bigint.
Parameters
- num: bigint
  
  The bigint to determine the sign of.
Returns number
The sign of the bigint: -1 if negative, 0 if zero, 1 if positive.
Static

Example
```
sign(-5n);    // Returns -1
   sign(0n);     // Returns 0
   sign(10n);    // Returns 1
```
- Defined in src/math.ts:918

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