[ 原始碼： primecount ]
套件：primecount（7.14+ds-1）
fast prime number counter C/C++ library
primecount is a free software program and C/C++ library that counts the primes below an integer x <= 10^31 using highly optimized implementations of the combinatorial prime counting algorithms.
See https://github.com/kimwalisch/primecount for more information.
This dummy package provides the standard installation.