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30.3 Auxiliary Functions

The following functions provide information about an existing Chebyshev series.

Function: size_t gsl_cheb_order (const gsl_cheb_series * cs)

This function returns the order of Chebyshev series cs.

Function: size_t gsl_cheb_size (const gsl_cheb_series * cs)
Function: double * gsl_cheb_coeffs (const gsl_cheb_series * cs)

These functions return the size of the Chebyshev coefficient array c[] and a pointer to its location in memory for the Chebyshev series cs.