make nominalValue() inlined

[VinInn]

restore performance critical method as inlined (the optimization barrier remains)

[cmsbuild]

A new Pull Request was created by @VinInn (Vincenzo Innocente) for CMSSW_7_1_X.

make nominalValue() inlined

It involves the following packages:

MagneticField/Engine

@nclopezo, @cmsbuild, @anton-a, @thspeer, @slava77, @Degano can you please review it and eventually sign? Thanks.
You can sign-off by replying to this message having '+1' in the first line of your reply.
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@nclopezo, @ktf you are the release manager for this.
You can merge this pull request by typing 'merge' in the first line of your comment.

[cmsbuild]

+1
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-3012/644/summary.html

[slava77]

checking

[slava77]

+1

for #3012 1c80ad7
tested in CMSSW_7_1_X_2014-03-25-1400 (my test area sign329)
no diffs as expected

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_1_X IBs unless changes (tests are also fine). @nclopezo, @ktf can you please take care of it?