``` double squared_distance=(p.x+10) * (p.x+10)+p.y * p.y assert (squared_distance < 1e-10);
```
Alain De Vos via Digitalmars-d-learn Wed, 12 May 2021 21:20:40 -0700
``` double squared_distance=(p.x+10) * (p.x+10)+p.y * p.y assert (squared_distance < 1e-10);
```