Numerical computation of spherical harmonics of arbitrary degree and order by extending exponent of floating point numbers
Numerical computation of spherical harmonics of arbitrary degree and order by extending exponent of floating point numbers
T. Fukushima
2012 · DOI: 10.1007/s00190-011-0519-2
Journal of Geodesy · 87 Citations
TLDR
By extending the exponent of floating point numbers with an additional integer as the power index of a large radix, this formulation achieves the evaluation of ALFs in the double-precision environment at the cost of around 10% increase in computational time per single ALF.