CORDIC-NO MULTIPLY trigonometric and hyperbolic implementation

reference

三角函数计算，Cordic 算法入门
CORDIC in C and Javascript
Software Implementation of Trigonometric Functions Using CORDIC Algorithm
Simple C source for CORDIC
An Introduction to the CORDIC Algorithm
CORDIC FAQ
CORDIC
CORDIC-all-in-one-verilog
A series of CORDIC related projects
MSP430-CORDIC-sine-cosine
The CORDIC Method for Faster sin and cos Calculations , Michael Bertrand
CORDIC II: A New Improved CORDIC Algorithm, Mario Garrido,
A survey of CORDIC algorithms for FPGA based computers, Ray Andraka

后记

本来有个project要准备一下这个主题，所以收集了和cordic很多相关的资料，准备好好的研究一番。但调研了发现处理器已经内置了三角函数，不用再麻烦了。感慨一下现在的微处理器系统真的很强大，对程序员来说，编程越来越像搭建乐高积木了，你可以不用理会这个零件怎么来的，只要想象力丰富就能编写出好应用。同时也有点怀念很久以前纯汇编写代码的时光，那时候总觉得自己能写天书，很流弊的样子…