hiok2000

> Is it not compiling on your environment without this change? Actually, I am trying to compile this project in VS2015. It succeeded with these changes.

> There are two possible workaround for those who are affected by the bug. > > 1. You can use [idavydov/go-lbfgsb](https://github.com/idavydov/go-lbfgsb). You would need to change your imports and reinstall...

> Hi @hiok2000 , > > According to your error, you are using in fact afbarnard/go-lbfgsb, not idavydov/go-lbfgsb. (E.g., see the line numbers; in idavydov version there are no function...