ENH: improve precision of normalization
ENH: improve precision of normalization

Summing from the smallest to the largest number gives greater
precision. This may fix a failing test on the dashboard.

Change-Id: I09962997454c7c09cb1bba1cc4255432eb0a4d02

vfonov/ITK,wkjeong/ITK,ajjl/ITK,fuentesdt/InsightToolkit-dev,cpatrick/ITK-RemoteIO,hjmjohnson/ITK,zachary-williamson/ITK,rhgong/itk-with-dom,jmerkow/ITK,stnava/ITK,cpatrick/ITK-RemoteIO,eile/ITK,biotrump/ITK,CapeDrew/DCMTK-ITK,thewtex/ITK,daviddoria/itkHoughTransform,richardbeare/ITK,ajjl/ITK,GEHC-Surgery/ITK,spinicist/ITK,vfonov/ITK,jmerkow/ITK,stnava/ITK,GEHC-Surgery/ITK,vfonov/ITK,fuentesdt/InsightToolkit-dev,fbudin69500/ITK,heimdali/ITK,PlutoniumHeart/ITK,ajjl/ITK,BlueBrain/ITK,LucasGandel/ITK,hjmjohnson/ITK,zachary-williamson/ITK,thewtex/ITK,malaterre/ITK,CapeDrew/DITK,fbudin69500/ITK,daviddoria/itkHoughTransform,rhgong/itk-with-dom,atsnyder/ITK,itkvideo/ITK,thewtex/ITK,paulnovo/ITK,blowekamp/ITK,malaterre/ITK,hjmjohnson/ITK,vfonov/ITK,spinicist/ITK,vfonov/ITK,jcfr/ITK,hinerm/ITK,GEHC-Surgery/ITK,jcfr/ITK,thewtex/ITK,InsightSoftwareConsortium/ITK,ajjl/ITK,rhgong/itk-with-dom,vfonov/ITK,ajjl/ITK,BRAINSia/ITK,zachary-williamson/ITK,spinicist/ITK,InsightSoftwareConsortium/ITK,msmolens/ITK,BRAINSia/ITK,blowekamp/ITK,richardbeare/ITK,atsnyder/ITK,CapeDrew/DITK,heimdali/ITK,richardbeare/ITK,msmolens/ITK,ajjl/ITK,atsnyder/ITK,wkjeong/ITK,stnava/ITK,zachary-williamson/ITK,eile/ITK,fbudin69500/ITK,atsnyder/ITK,paulnovo/ITK,GEHC-Surgery/ITK,msmolens/ITK,biotrump/ITK,biotrump/ITK,jcfr/ITK,vfonov/ITK,richardbeare/ITK,spinicist/ITK,heimdali/ITK,PlutoniumHeart/ITK,BRAINSia/ITK,BlueBrain/ITK,PlutoniumHeart/ITK,stnava/ITK,richardbeare/ITK,malaterre/ITK,LucasGandel/ITK,rhgong/itk-with-dom,itkvideo/ITK,CapeDrew/DITK,msmolens/ITK,blowekamp/ITK,eile/ITK,InsightSoftwareConsortium/ITK,daviddoria/itkHoughTransform,daviddoria/itkHoughTransform,itkvideo/ITK,malaterre/ITK,malaterre/ITK,CapeDrew/DCMTK-ITK,daviddoria/itkHoughTransform,InsightSoftwareConsortium/ITK,LucasGandel/ITK,fedral/ITK,stnava/ITK,cpatrick/ITK-RemoteIO,spinicist/ITK,paulnovo/ITK,wkjeong/ITK,hjmjohnson/ITK,GEHC-Surgery/ITK,hendradarwin/ITK,biotrump/ITK,paulnovo/ITK,daviddoria/itkHoughTransform,BlueBrain/ITK,spinicist/ITK,CapeDrew/DITK,jcfr/ITK,thewtex/ITK,blowekamp/ITK,blowekamp/ITK,stnava/ITK,cpatrick/ITK-RemoteIO,itkvideo/ITK,heimdali/ITK,CapeDrew/DITK,richardbeare/ITK,ajjl/ITK,biotrump/ITK,fedral/ITK,stnava/ITK,hendradarwin/ITK,fbudin69500/ITK,CapeDrew/DCMTK-ITK,hinerm/ITK,fedral/ITK,hinerm/ITK,jmerkow/ITK,BRAINSia/ITK,hendradarwin/ITK,CapeDrew/DITK,eile/ITK,paulnovo/ITK,GEHC-Surgery/ITK,jmerkow/ITK,fedral/ITK,rhgong/itk-with-dom,Kitware/ITK,fbudin69500/ITK,jmerkow/ITK,wkjeong/ITK,fbudin69500/ITK,zachary-williamson/ITK,LucasGandel/ITK,spinicist/ITK,CapeDrew/DCMTK-ITK,atsnyder/ITK,thewtex/ITK,CapeDrew/DITK,rhgong/itk-with-dom,blowekamp/ITK,eile/ITK,itkvideo/ITK,paulnovo/ITK,BlueBrain/ITK,daviddoria/itkHoughTransform,heimdali/ITK,GEHC-Surgery/ITK,vfonov/ITK,wkjeong/ITK,jcfr/ITK,Kitware/ITK,LucasGandel/ITK,hinerm/ITK,LucHermitte/ITK,itkvideo/ITK,msmolens/ITK,wkjeong/ITK,fuentesdt/InsightToolkit-dev,LucasGandel/ITK,CapeDrew/DITK,atsnyder/ITK,vfonov/ITK,BlueBrain/ITK,CapeDrew/DCMTK-ITK,biotrump/ITK,atsnyder/ITK,rhgong/itk-with-dom,CapeDrew/DCMTK-ITK,eile/ITK,Kitware/ITK,hjmjohnson/ITK,fuentesdt/InsightToolkit-dev,itkvideo/ITK,LucHermitte/ITK,stnava/ITK,jcfr/ITK,hendradarwin/ITK,msmolens/ITK,fbudin69500/ITK,eile/ITK,hinerm/ITK,fuentesdt/InsightToolkit-dev,InsightSoftwareConsortium/ITK,fedral/ITK,itkvideo/ITK,itkvideo/ITK,atsnyder/ITK,PlutoniumHeart/ITK,PlutoniumHeart/ITK,BRAINSia/ITK,fuentesdt/InsightToolkit-dev,zachary-williamson/ITK,BlueBrain/ITK,CapeDrew/DCMTK-ITK,zachary-williamson/ITK,eile/ITK,hendradarwin/ITK,zachary-williamson/ITK,richardbeare/ITK,LucHermitte/ITK,wkjeong/ITK,wkjeong/ITK,PlutoniumHeart/ITK,heimdali/ITK,msmolens/ITK,LucasGandel/ITK,cpatrick/ITK-RemoteIO,cpatrick/ITK-RemoteIO,hjmjohnson/ITK,jcfr/ITK,hinerm/ITK,daviddoria/itkHoughTransform,PlutoniumHeart/ITK,PlutoniumHeart/ITK,hendradarwin/ITK,jmerkow/ITK,paulnovo/ITK,LucHermitte/ITK,cpatrick/ITK-RemoteIO,jcfr/ITK,cpatrick/ITK-RemoteIO,hendradarwin/ITK,Kitware/ITK,spinicist/ITK,BRAINSia/ITK,heimdali/ITK,Kitware/ITK,malaterre/ITK,InsightSoftwareConsortium/ITK,biotrump/ITK,eile/ITK,spinicist/ITK,LucHermitte/ITK,thewtex/ITK,blowekamp/ITK,fuentesdt/InsightToolkit-dev,malaterre/ITK,stnava/ITK,rhgong/itk-with-dom,hjmjohnson/ITK,hendradarwin/ITK,atsnyder/ITK,Kitware/ITK,LucasGandel/ITK,fedral/ITK,jmerkow/ITK,ajjl/ITK,jmerkow/ITK,GEHC-Surgery/ITK,biotrump/ITK,paulnovo/ITK,msmolens/ITK,fuentesdt/InsightToolkit-dev,fedral/ITK,InsightSoftwareConsortium/ITK,BlueBrain/ITK,fbudin69500/ITK,LucHermitte/ITK,zachary-williamson/ITK,heimdali/ITK,CapeDrew/DCMTK-ITK,blowekamp/ITK,Kitware/ITK,fedral/ITK,hinerm/ITK,malaterre/ITK,CapeDrew/DCMTK-ITK,BlueBrain/ITK,BRAINSia/ITK,LucHermitte/ITK,fuentesdt/InsightToolkit-dev,daviddoria/itkHoughTransform,malaterre/ITK,LucHermitte/ITK,CapeDrew/DITK,hinerm/ITK,hinerm/ITK