Take a look at Armadillo as well. I did the same thing about a year ago, and looked at all of them. In the end, Armadillo made writing things very easy. Of c

Take a look at Armadillo as well. I did the same thing about a year ago, and looked at all of them. In the end, Armadillo made writing things very easy. Of course, I was really only focused on matrix multiplication, so you may have different requirements.