C++ sign extension

C++ sign extension

References

Reference NO 1

http://stackoverflow.com/questions/15165417/c-sign-extension

Reference NO 2

http://en.wikipedia.org/wiki/Sign_extension

Reference NO 3

http://www.cs.umd.edu/class/sum2003/cmsc311/Notes/Data/signExt.html

Reference NO 4

http://bytes.com/topic/c/answers/213230-sign-extension

Reference NO 5

http://msdn.microsoft.com/en-us/library/windows/hardware/ff556892(v=vs.85).aspx

Reference NO 6

http://www.daniweb.com/software-development/computer-science/threads/152223/sign-extend-16-bit-to-32-bit

Reference NO 7

http://graphics.stanford.edu/~seander/bithacks.html

Reference NO 8

http://docs.oracle.com/cd/E19205-01/819-5267/bkbgp/index.html