use utility function to compare the repr of floats

[japaric]

follow up of #43

r? @mattico

[mattico]

LGTM, though there's likely to be a merge conflict between this and #48. I can rebase that one if you want to merge this first.

[japaric]

I think we'll have to first sort out the soft float arm target test failure in #48 before it lands. Does merging this first sounds good to you?

[mattico]

Yes that makes sense.

On Sun, Aug 21, 2016, 11:47 AM Jorge Aparicio [email protected]
wrote:

I think we'll have to first sort out the soft float arm target test
failure in #48 #48 before
it lands. Does merging this first sounds good to you?

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