1.This program is to calculate the sin value of floating numbers between 0 and 1 by three different method.
2.The three different methods we used is the Cordic Algorithm, the Maclaurin polynimial and the build in sin function in C. 
3.When using the Cordic Algorithm,we first change the floating number into a binary form, and then use the Crdic Algorithm to get its sin value in its original floating form.
4.The input is a file including the floating number between 0 and 1 that you want to conpute the sin value.You need to use space to seperate each value.But in this program, we have limit the input be floating value with 6 decimal, you can see this by the fact that the last value in the test file "test" has been trunct. 
5.We also record the total runing time for these three methods to get the sin value.The result is shown on the last line of the standard output.