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rj() double rj ( double  x, double  y, double  z, double  p  ) Carlson form of elliptic integral RJ(x, y, z, p) Purpose rj computes the Carlson form of elliptic integral RJ(x, y, z, p). RJ(x, y, z, p) = (3/2) * ∫(t + x)^(-1/2)(t + y)^(-1/2)(t + z)^(-1/2)(t + p)^(-1)dt [0, ∞] For negative fourth argument p, rj computes the principal value. Returns Carlson form of elliptic integral RJ(x, y, z, p). Parameters [in] x Argument x. (x >= 0 (one of x, y and z may be zero)) [in] y Argument y. (y >= 0 (one of x, y and z may be zero)) [in] z Argument z. (z >= 0 (one of x, y and z may be zero)) [in] p Argument p. (p != 0) Error handling If x < 0, y < 0, z < 0, p = 0 or more than two out of x, y and z are 0, domain error (EDOM) occurs. Range error (ERANGE) may occur. Reference boost/math/special_functions