ensure repeated tendencies have the correct start and end values/derivatives

Author: SBlokhuizen

waveform_editor/tendencies/repeat.py

@@ -33,6 +33,10 @@ def __init__(self, **kwargs):
         self.waveform.tendencies[0].set_previous_tendency(self.waveform.tendencies[-1])
         self.waveform.tendencies[-1].set_next_tendency(self.waveform.tendencies[0])
 
+        _, self.start_value = self.get_value(self.start)
+        self.start_derivative = self.get_derivative(self.start)
+        _, self.end_value = self.get_value(self.end)
+        self.end_derivative = self.get_derivative(self.end)
         self.annotations.add_annotations(self.waveform.annotations)
 
     def get_value(

waveform_editor/waveform.py

@@ -60,7 +60,8 @@ def get_value(
         else:
             values = self._evaluate_tendencies(time)
 
-        return time, values
+        # Ensure that values are float, even if the user provides an array of integers
+        return np.asarray(time, dtype=float), np.asarray(values, dtype=float)
 
     def get_derivative(self, time: np.ndarray) -> np.ndarray:
         """Get the values of the derivatives at the provided time array.