Function magsq

magsq(comp: ChalkboardComplex): number
Calculates the magnitude (or modulus) squared of a complex number.
Parameters
- comp: ChalkboardComplex
  The complex number
Returns number
Example
```
// Returns 25
const r2 = Chalkboard.comp.magsq(Chalkboard.comp.init(3, 4));
```
- Defined in Chalkboard.comp.ts:493