NTL是一种高性能、便携的C++库操纵签署提供的数据结构和算法，任意长度的整数，和向量，矩阵，在整数和有限域上的多项式。(NTL is a high-performance, portable C++ library providing data structures and algorithms for manipulating signed, arbitrary length integers, and for vectors, matrices, and polynomials over