An API that constructs the bounds matrix and the L_BFGS_B struct

[raminammour]

Hello,

Thanks for wrapping the lbfgsb library!

I think this interface is a bit more high level, lbfgsb can be exported and documented. Normally users solve with one problem size, and I could never remember what the bounds mean :)

Let me know if you think this is useful, and I can document/test and export these functions.

Cheers!

[coveralls]

Pull Request Test Coverage Report for Build 59

• 16 of 19 (84.21%) changed or added relevant lines in 1 file are covered.
• 3 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-2.7%) to 94.565%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/wrapper.jl	16	19	84.21%
<!--	Total:	16	19	84.21%	-->

Files with Coverage Reduction	New Missed Lines	%
src\wrapper.jl	3	91.3%
<!--	Total:	3		-->

Totals
Change from base Build 49:	-2.7%
Covered Lines:	174
Relevant Lines:	184

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💛 - Coveralls

[Gnimuc]

Thanks for your contribution! This looks good. I'll merge it when the documentation and tests are added. 😉

[raminammour]

Do you want lbfgsb documented as the main API or as an additional (secondary) API to the existing one?

[Gnimuc]

I guess it's more like a helper function over the original one. We can mention it in the README and add some docstrings with a simple example.

[raminammour]

I added some tests and some help in the README. LBFGS_B does not have doc strings itself to piggy back off of those so I relied on the README. Let me know if this is sufficient.

[Gnimuc]

LGTM. Thanks again!