Function scale

scale(inputValue: number, inMin: number, inMax: number): number
Scale & clamp resulting number to bipolar range (-1..1)
```
import { Bipolar } from 'https://unpkg.com/ixfx/dist/data.js';

// Scale 100 on 0..100 scale
Bipolar.scale(100, 0, 100); // 1
Bipolar.scale(50, 0, 100);  // 0
Bipolar.scale(0, 0, 100);   // -1
```
Return value is clamped.
Parameters
- inputValue: number
  Value to scale
- inMin: number
  Minimum of scale
- inMax: number
  Maximum of scale
Returns number
Bipolar value on -1..1 scale