单/双精度浮点转化的源码,非本人原创,请下载看自行查看其中说明-Single/double-precision floating-point-source transformation, non-I original, download them to see their own view that

A fast, high-precision GIS projection utility which reads and writes shapefiles and supports Canadian NTv2 datum transformation along with lat/long, Transverse Mercator, and Double Stereographic projections.

c++实现的非常详细的数据结构与算法代码，队列，链表，三元组，哈弗曼树，树的各种递归，非递归遍历算法，树与森林相互转化算法，图的深度，广度优先搜索算法，双连通算法，强连通算法，拓扑排序算法，最短路径算法，哈希，快速排序，归并排序等等。-C++ very detailed data structure and algorithm code, queues, linked lists, three tuple Havermann tree, various recursive tree, non r