only sieve up to n/2, and avoid some array copying. this improves both speed and memory usage 30% when computing zeta(0.5+1e15j)
only sieve up to n/2, and avoid some array copying. this improves both speed and memory usage 30% when computing zeta(0.5+1e15j)
Alwnikrotikz/mpmath,Alwnikrotikz/mpmath,tectronics/mpmath,tectronics/mpmath