CHAPLIN - Complex Harmonic Polylogarithms in Fortran
classification
✦ hep-ph
keywords
harmonicpolylogarithmscomplexfortranfournumericallyweightalgorithm
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We present a new Fortran library to evaluate all harmonic polylogarithms up to weight four numerically for any complex argument. The algorithm is based on a reduction of harmonic polylogarithms up to weight four to a minimal set of basis functions that are computed numerically using series expansions allowing for fast and reliable numerical results.
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