first commit
The first version that works.
Need to improve the algorithm to make it more efficiently

Signed-off-by: ezheng <ezheng@cs.unc.edu>
temporary commit

Signed-off-by: ezheng <ezheng@cs.unc.edu>
The matlab and c code to generate 7-pts results.

Signed-off-by: ezheng <ezheng@cs.unc.edu>