Scan math robustness
Closes #1708 (closed)
This MR add checks and normalizes API of cen/peak/com.
- If there is an obvious input mismatch a TypeError is raised
- If there is a computation problem, a NaN is returned
- Else the right answer is returned
Closes #1708 (closed)
This MR add checks and normalizes API of cen/peak/com.