[mlpack-git] [mlpack] better Boost test output (#344)

[Ryan Curtin]

Hi QiaoAn, thanks for looking into that.  The `Log` class in `src/mlpack/core/util/`, which is what `Log::Debug`, `Log::Info`, and `Log::Warn` are, can be disabled like so:

```Log::Debug.ignoreInput = true;```

But certainly we don't want to put three ignoreInput lines at the top of every test case.  Instead it may be better to modify the `Log` code so that ignoreInput defaults to true if a Boost test is being compiled (a user who is writing tests should be able to override this option, so that they can get output from `Log` if they want).

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Reply to this email directly or view it on GitHub:
https://github.com/mlpack/mlpack/issues/344#issuecomment-74871656
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