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# scipy.interpolate.NdPPoly.construct_fast

classmethod `NdPPoly.``construct_fast`(c, x, extrapolate=None)

  Construct the piecewise polynomial without making checks.

  Takes the same parameters as the constructor. Input arguments c and x must be arrays of the correct shape and type. The c array can only be of dtypes float and complex, and x array must have dtype float.