another fourier transform source code

to calulate the inversed of nxm matrices

alglib,跨平台的数学分析和数据处理库，主要用于矩阵运算（SVD等）-ALGLIB is a cross-platform numerical analysis and data processing library. It supports several programming languages (C++, C#, Pascal, VBA) and several operating systems (Windows, Linux, Solaris). ALGLIB features

大数运算库MPFR的完整VS2005工程，包含GMP库，MPFR库，以及表达式求值测试程序，直接编译通过。MPFR库能实现任意高精度的浮点数计算(工程默认1000位10进制有效位)，如三角函数，对数。-Large numbers arithmetic library MPFR full VS2005 project, including GMP library, MPFR library, and expression evaluation test program, directly comp