[mlpack-git] [mlpack] Serialization of ann (#513)

[stereomatchingkiss]

> can you also modify the other ann optimizer classes?

No problem

> I attempted to keep the interfaces using references, and not pointers

Nice suggestion, but I think what you mean is

```
RMSPROP(DecomposableFunctionType& function, //reference, not pointer
          const double lr = 0.01,
          const double alpha = 0.99,
          const double eps = 1e-8) :
      function(&function),
      lr(lr),
      alpha(alpha),
      eps(eps)
```

Thanks for closing replicated issue

---
Reply to this email directly or view it on GitHub:
https://github.com/mlpack/mlpack/issues/513#issuecomment-178175258
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