def preprocess_tuples(tuples, preprocessor):
try:
tuples = np.column_stack([preprocessor(tuples[:, i])[:, np.newaxis] for
i in range(tuples.shape[1])])
except Exception as e:
raise PreprocessorError(e)
return tuples
def preprocess_points(points, preprocessor):
"""form points if there is a preprocessor else keep them as such (assumes
that check_points has already been called)"""
try:
points = preprocessor(points)
except Exception as e:
raise PreprocessorError(e)
return points