Change noverlap bounds from nperseg//2 to nperseg-1

src/python_spectrometer/daq/settings.py

@@ -525,7 +525,7 @@ class DAQSettings(dict):
         return self.get('f_max', self._infer_f_max()) or inf
 
     def _lower_bound_nperseg(self) -> int:
-        return floor(2 * (self.get('noverlap', self._infer_noverlap()) or 0.5))
+        return self.get('noverlap', 0) + 1
 
     def _upper_bound_nperseg(self) -> int | float:
         return self.get('n_pts', self._domain_n_pts.max())
@@ -541,7 +541,7 @@ class DAQSettings(dict):
     def _upper_bound_noverlap(self) -> int | float:
         ub_nperseg = self._domain_nperseg.max()
         nperseg = self.get('nperseg', self._infer_nperseg()) or ub_nperseg
-        bound = nperseg // 2
+        bound = nperseg - 1
         if not isinf(ub_nperseg) and 'n_seg' in self:
             return min(bound, nperseg - (ub_nperseg - nperseg) // self['n_seg'])
         return bound