PK_ERROR_code_t                 PK_BCURVE_ask_piecewise
(
--- received arguments ---
PK_BCURVE_t                     bcurve,   --- b-curve
PK_piecewise_rep_t              rep,      --- piecewise representation

--- returned arguments ---
PK_BCURVE_piecewise_sf_t *const bcurve_piecewise_sf
                                          --- b-curve piecewise standard form
)


This function returns the piecewise standard form for a b-curve.


Specific Errors:
    PK_ERROR_bad_order              PK_piecewise_rep_hermite_c requested and
                                    curve degree is not 3.


Takes a b-curve and returns its piecewise standard form.
Refer to the documentation of PK_BCURVE_piecewise_sf_t.

One of several possible representations is requested by the argument rep
which may be one of:

   PK_piecewise_rep_bezier_c            Bezier
   PK_piecewise_rep_polynomial_c        Polynomial
   PK_piecewise_rep_hermite_c           Hermite (cubic only)
   PK_piecewise_rep_taylor_c            Taylor Series