U `»{jÊã@sdZddlZddd„ZdS)z,Data preparation / preprocessing algorithms.éN©ggð?ç•Ö&è .>cCs |d|dkst‚| ¡| ¡f}|d|d|kr\|d|dd}t |j|¡}n<||d}||d|d|d|d9}||d7}||fS)aåChanges the scale of an array Parameters ---------- x : ndarray 1D array to change the scale (remains unchanged) new_range : tuple (float, float) Desired range of the array eps: float Numerical precision, to detect degenerate cases (for example, when every value of *x* is equal) Returns ------- ndarray Scaled array tuple (float, float) Previous data range, allowing a rescale to the old range érg@)ÚAssertionErrorÚminÚmaxÚnpÚfullÚshape)ÚxZ new_rangeÚepsZrange_ZmeanZxp©r úP/var/www/html/bwave/python/venv/lib/python3.8/site-packages/peakutils/prepare.pyÚscales $ r)rr)Ú__doc__Únumpyrrr r r rÚs