y0(), y1(), yn(), Bessel functions of the second kind

These functions compute Bessel functions of the second kind. y0 and y1 compute the functions of order 0 and 1 respectively. yn computes the function of order n.

double y0(double x); double y1(double x); double yn(int, double);

If x is positive and exceeds π times 252, these functions return an ERANGE error, denoting total loss of significance in the result.


These functions are deprecated.

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ARM C and C++ Libraries and Floating-Point Support User Guide:

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