三维射线追踪的代码，c语言+linux下的环境。试用于石油勘探行业。 -Code for track 3D radial program with c language and works in linux.it is used in oil reconnoitre industry for test

一个快速计算离散傅里叶变换的标准C语言程序集-the Faster Fourier Transform in the West library(linux version)