FastAsyTransforms: Implementations of a fast and numerically stable algorithm for computing the discrete Hankel transform of order 0 as well as evaluating Schlomilch and Fourier-Bessel expansions in O(N(log N)^2/loglog N) operations. The algorithm is basedon an asymptotic expansion for Bessel functions of large arguments, the fast Fourier transform, and the Neumann addition formula. Paper:  A. Townsend, A fast analysis-based discrete Hankel transform using asymptotic expansions, submitted, 2015.
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