Inexact Error

[richardrl]

I think lines like this: https://github.com/wangjie212/TSSOS/blob/10f935ddef96fc4680246dbb238dde87b88789b9/src/blockpop_uncons.jl#L65

Instead of converting with Int, you should call the ceiling function. Int does not convert non-integer floats to integer, but rather errors with Inexact error