replace divisions by multiplications in TkRadialStripTopology

[VinInn]

Trivial algebraic modification (that produces usual negligible numerical regression)
30% speed-up in the specific routine

[cmsbuild]

A new Pull Request was created by @VinInn (Vincenzo Innocente) for CMSSW_7_3_X.

replace divisions by multiplications

It involves the following packages:

Geometry/CommonTopologies

@civanch, @Dr15Jones, @ianna, @mdhildreth, @cmsbuild, @nclopezo, @ktf can you please review it and eventually sign? Thanks.
@makortel, @ghellwig this is something you requested to watch as well.
You can sign-off by replying to this message having '+1' in the first line of your reply.
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@nclopezo you are the release manager for this.
You can merge this pull request by typing 'merge' in the first line of your comment.

[Dr15Jones]

+1
I double checked your algrebra and you get an A :)

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_3_X IBs unless changes or unless it breaks tests. This pull request requires discussion in the ORP meeting before it's merged. @davidlange6, @nclopezo, @ktf, @smuzaffar

[cmsbuild]

+1
Tested at: 207d46e
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-6528/1055/summary.html

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_3_X IBs unless changes (tests are also fine). This pull request requires discussion in the ORP meeting before it's merged. @davidlange6, @nclopezo, @ktf, @smuzaffar

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-6528/1055/summary.html

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_3_X IBs unless changes (tests are also fine). This pull request requires discussion in the ORP meeting before it's merged. @davidlange6, @nclopezo, @ktf, @smuzaffar

[davidlange6]

+1