Function scale

scale(a, b, inputA?, inputB?): Mapper<number>
Scales value from [inputA, inputB] range to [a, b] range.
Parameters
- a: number
  The minimum value of output range.
- b: number
  The maximum value of output range.
- inputA: number = 0
  The minimum value of input range.
- inputB: number = 1
  The maximum value of input range.
Returns Mapper<number>
Mapper that handles the input value scaling.
Example
```
scale(0, 1, 50, 100)(75);
// ⮕ 0.5

scale(50, 100)(0.5);
// ⮕ 75
```