是codic算法实现Sin的浮点C程序，包括定点和浮点程序，已经通过验证.-Sin is codic floating-point algorithm C procedures, including fixed-point and floating-point procedures, has been validated.

用CORDIC计算器计算sin,cos。包含浮点仿真模型和定点仿真模型-CORDIC calculator with sin, cos. Contains the floating-point simulation model and the fixed-point simulation model

fft的快速实现，核心部分无任何耗时的sin,cos运算，所需要的数据初始化时全部已经计算好了。并且提供了fft的定点代码（这是很多fft不具有的），可以方便地移植到嵌入式和DSP环境-fft of rapid implementation, the core portion without any time-consuming sin cos operation, the initialization of the data needed all been calculated. And pr